Using your spreader (drop or broadcast), spread the lime for your yard just as you would lawn fertilizer. To apply lime in a criss-cross pattern, follow these steps: Adjust the spreader to release half of the lime. Push the spreader across the lawn, creating rows from north to south, covering the entire lawn.Scotts Turf Builder Fall Weed and Feed applied a few weeks after WinterGuard fall lawn food can add an effective weed killer to your entire lawn. Scotts Turf Builder and Scotts Weed & Feed are most effective when temperatures are between 60 and 90 degrees and after weeds have emerged for the winter. Stresses of weeds like coast …A good practice for most lawns is to fertilize at least twice a year to ensure good overall health. To be safe, you can remember this rule of thumb: Apply lawn fertilizer when the grass is actively growing. For Delaware lawns with cool-season grasses, this time is early fall or early spring, when the temperatures are still a bit chilly. A day or two before applying fertilizer, water your lawn thoroughly. After grass dries, apply fertilizer. Then lightly water again. This second watering is vitally important, because it washes fertilizer off grass blades and into soil. You can also time fertilizer application between rainfalls to let rain wash fertilizer into soil. A broadcast or rotary spreader works well when you're fertilizing larger lawn areas. Before filling the hopper, make sure it's closed. It's a good idea to fill it on a tarp, so you can easily gather any spilled fertilizer. Apply fertilizer around the perimeter of the lawn first, and then start to move back and forth across turf in an orderly ...Jan 26, 2024 ... “Warm-season grasses should be fertilized in late spring, during summer, and in early fall for growth, summer stress tolerance, and winter ...The right answer for you will ultimately depend on your lawn's soil levels as well as the fertilizer you choose. (Image credit: Shutterstock) Ian Grant, lawn care expert at National Greenhouse ...Several weeks after complete green-up is when to fertilize Bermuda grass in Texas. Between June and August, continue to apply lawn fertilizer every four to eight weeks, not exceeding the recommended limit for nitrogen for the type of grass and site conditions. After the end of August, nitrogen fertilizer isn’t applied to lawns in Texas ...Second Spring Application. This goes around mid-May (May 10 to May 20). Some people carry it out on “memorial day.”. 3. Summer Application. Divide this into two parts (half in July and the other half in August). 4. Fall Application. After lawn aeration, carry this out between September 1 to September 15.The ideal time to apply urea fertilizer on your lawn with cool-season grasses is during late fall and late summer. While for warm-season grasses, it is during spring. Generally, it is best to apply it in the early morning with temperatures between 32°F and 60°F. To apply urea, try the following ways:A quick application of lawn food in early spring will help launch your yard into the hot months with staying power. Keep your sprinkling light (hint: it's easier to consistently apply granules than to spray), and use a slow-release or organic formulation. The ideal time to fertilize is 24 to 48 hours before your first time mowing; depending on the type of …Wait to fertilize warm-season lawns in spring until after the second mowing. This will ensure it's actively growing. In fall, make sure to fertilize at least ...When To Fertilize Lawn. Fertilizing your lawn is an important part of keeping it healthy and beautiful. You don't want to overdo it, though, so it's important to know …Scotts Turf Builder Lawn Food is a fertilizer that feeds and strengthens your grass to help protect against future problems. This fertilizer also builds strong, deep roots and improves the lawn's ability to absorb water and nutrients (vs. unfed lawn). Scotts Turf Builder Lawn Food can be used on any grass type. Apply the product to a wet or dry ...In conclusion, knowing when to apply lawn fertilizer is a critical aspect of maintaining a healthy and vibrant lawn. By understanding the growth patterns of your grass type, following recommended application timings, and conducting a soil test to inform your fertilization schedule, you can ensure that your lawn receives the nutrients it needs to …Fertilizing grass is an important step in your lawn care routine as it promotes healthy root growth and keeps your lawn lush and green. However, it’s important to pick the right fertilizer for the job and apply it at the right time. If you have cool-season grass, fertilize it briefly in the spring before a more thorough application in the fall.Dilute the fertilizer with water and apply it to the soil or directly on the leaves. To use liquid fertilizer on your lawn, do a soil test to see what fertilizer nutrients it needs. Use a garden sprayer or a hose to spread the fertilizer. Apply liquid fertilizers every 2–4 weeks in the early morning or late evening before the hot midday sun. Use ordinary lawn fertilizer such as “Lawn Food” for each application except for during mid-summer where you’ll want to apply organic fertilizer such as Milorganite due to the high temperatures and the heat. During the heat of summer, your lawn becomes stressed with the heat and it’s definitely not the right time to push growth with ... Apply fertilizer to green lawns. Don’t fertilize lawns that have gone dormant. Stressed lawns can’t use nutrients properly, and the fertilizer may injure dormant turf. Wait for your grass to green up after winter before fertilizing your lawn. The ground should have thawed by then, so there’s no risk of the fertilizer being washed away or ...The Lawn Weed Control Timing Chart was developed to help remove confusion and guesswork when determining the recommended time of year to control various weeds in lawns. The chart is arranged with a list of common weeds in rows on the left, and months of the year in columns on the top of the chart. The row for each weed listed has a colored …In vitro fertilization (IVF) is the joining of a woman's egg and a man's sperm in a laboratory dish. In vitro means outside the body. Fertilization means the sperm has attached to ...Second Spring Application. This goes around mid-May (May 10 to May 20). Some people carry it out on “memorial day.”. 3. Summer Application. Divide this into two parts (half in July and the other half in August). 4. Fall Application. After lawn aeration, carry this out between September 1 to September 15.Learn how to adjust your lawn care schedule based on the type of grass you have. Find out the best times of year and frequency of fertilizer applications for cool …When To Apply Winter Fertilizer. You should apply winterizer when the grass stops growing in the fall, but while it is still active in the root system. You can tell that your grass is still active by the the strong green color. Your location will depend on when exactly this is, but it is usually mid-late November.Use a complete lawn fertilizer containing a slow release form of nitrogen. Apply at the rate of 1.5 pounds of actual nitrogen per 1000 square feet. This application will late 2-3 months. EARLY-FALL: fertilize your Bermuda grass lawn again in late August early September.Moreover, lawn fertilizer application in the late fall helps protect lawns during the looming winter months by supporting root stabilization. Individuals should be sure to fertilize their lawns twice during the fall to ensure a healthy, green lawn that is ready for the winter months. Texas Lawn Fertilizer Guide: Winter PlanApply granulated fertilizer to a dry lawn and wait at least 24 hours to water it. An exception would be weed and feed, which should be applied to damp grass. Fertilizer should be a...Quick-release and slow-release granular fertilizers require you to water the lawn after application. Applying fertilizer (and water) in the afternoon will ...When choosing a fertiliser, make sure it is suitable for your lawn variety and the time of year you are applying it to your lawn. Liquid Fertilisers contain the active ingredients which push your lawn to its fullest growing potential in the quickest time. As liquid fertiliser is a quick fix and ignites growth and greening-up of your lawn, it needs to be applied more … A day or two before applying fertilizer, water your lawn thoroughly. After grass dries, apply fertilizer. Then lightly water again. This second watering is vitally important, because it washes fertilizer off grass blades and into soil. You can also time fertilizer application between rainfalls to let rain wash fertilizer into soil. Proper when to fertilize Lawn techniques and other lawn care practices are crucial for maintaining a healthy and vibrant lawn. Following the recommended application rates, spreading fertilizers evenly, and avoiding over-fertilization can help promote healthy growth and appearance without causing harm to the environment or your lawn’s health.Using your spreader (drop or broadcast), spread the lime for your yard just as you would lawn fertilizer. To apply lime in a criss-cross pattern, follow these steps: Adjust the spreader to release half of the lime. Push the spreader across the lawn, creating rows from north to south, covering the entire lawn.Why apply lime? Lawns need lime when low soil pH starts inhibiting the availability of nutrients. Soil pH preferences vary between regional lawn grasses, but most grasses prefer soil pH between 5.8 and 7.2. Warm-season grasses tolerate slightly lower pH, while cool-season grasses prefer pH slightly higher. 1,2 When within preferred pH ranges ...Apply granulated fertilizer to a dry lawn and wait at least 24 hours to water it. An exception would be weed and feed, which should be applied to damp grass. Fertilizer should be a...Sep 8, 2020 ... Depending on the fertilizer formula you use, you may want to feed the lawn once or twice. Some formulas recommend an application around Labour ...Apr 3, 2020 ... So many of you have been asking when you should starting fertilizing or spraying the lawn in the early spring.To eradicate toadstools from your lawn, remove dead vegetation, rake up and bag the toadstools, till the soil, apply nitrogen-rich fertilizer, and monitor the lawn for new toadstoo...Some grasses are slower to green than others, so be patient. Most lawn work shouldn’t be done until you mow the first time. That’s your signal that it’s okay to start fertilizing, applying weed killers and possibly sowing some grass seed. Your lawn wakes up once soil temperatures reach about 55 degrees F. How quickly this happens depends ...Observe your lawn’s growth. The right time to apply fertilizer is when the grass is growing more roots than blades. “If your lawn looks thin, late summer and early fall is usually the best ...Spring Lawn Feed. Being flexible and using a little common sense is the order of the day when using lawn care products. Plan to apply the spring fertiliser between March and May. March if you're in the south with April being the target for most people. Don’t rush to apply. Let the grass tell you when which is generally when you start mowing ...Some grasses are slower to green than others, so be patient. Most lawn work shouldn’t be done until you mow the first time. That’s your signal that it’s okay to start fertilizing, applying weed killers and possibly sowing some grass seed. Your lawn wakes up once soil temperatures reach about 55 degrees F. How quickly this happens depends ...There are many types of lawn fertiliser available in the market – organic, chemically blended, slow release, liquids just to name a few – but my pick is Lawn Solutions Premium Fertiliser and here’s why: We like to apply a product that will spread easily and evenly, has low to no odour, requires minimal water, doesn’t make my lawn grow ...Lawn Fertilizer Calculator. Use this fertilizer calculator to determine how much fertilizer is needed to cover your lawn. Once you have purchased your fertilizer, we need to determine how much Nitrogen you need per 1,000 sq feet of lawn. Every bag of lawn fertilizer has a (N) Nitrogen, (P) Phosphorus and (K) Potassium or N-P-K ratio on it.Testing your soil once or twice a year can help you determine if you need to do another fertilizer application. Additionally, if your grass is yellowing, a pale green color, or not growing, it may be time to apply …Learn how to adjust your lawn care schedule based on the type of grass you have. Find out the best times of year and frequency of fertilizer applications for cool …Use a complete lawn fertilizer containing a slow release form of nitrogen. Apply at the rate of 1.5 pounds of actual nitrogen per 1000 square feet. This application will late 2-3 months. EARLY-FALL: fertilize your Bermuda grass lawn again in late August early September.All fertilizers add nutrients to the soil to help plant growth. Natural and manufactured fertilizers have different qualities, but it is necessary to take precautions when using either of them. When properly applied, fertilizers pose few risks to humans or animals. If used correctly, fertilizers can help you improve and maintain your lawn. Healthy lawns limit …Your first fertilizer application should take place in early spring. Fertilize your lawn in early spring when your grass first begins to grow. In Northeast Ohio, this is typically between March and April when temperatures start consistently staying near 50 degrees. Also consider a weed control application at the same time.Fall is the most important time of year for lawn fertilization in Ohio. This is when your lawn is preparing for winter and needs to build strong roots to survive the cold weather. Apply a fertilizer with a higher phosphorus content, such as a 10-15-10 or 5-10-5 fertilizer. This will help promote root growth and prepare your lawn for the winter ...It also impacts how well grass utilizes applied fertilizer and absorbs soil nutrients. The sweet spot for lawn pH is between 6.5 and 7.0, but most lawns are adaptable, typically ranging from pH 4.0 to 9.0.” ...Feb 5, 2024 · How to Feed with Granular Lawn Fertilizer. Granular fertilizers come in the form of granules, which are tiny, dry particles that usually come in a bag. These fertilizers need to be used with a fertilizer spreader for even application. Step 1: Pick a Fertilizer Spreader. Step 2: Wear Protective Gear. You can buy lawn fertilizer with sulfates as a liquid applied with a hose-end sprayer, or as granular fertilizer applied with a spreader. Use a broadcast spreader for lawns 4,000 square feet or more. Choose a drop spreader for lawns with a lot of landscaping and hardscaping and smaller-sized yards. Caution!Jun 10, 2019 · Dial back the rate of lawn fertilizer applications to 1/2, then make two passes with your spreader at right angles. “I bet at least 3 out of every 5 homeowners use way more lawn fertilizer than they should.” Many retailers promote a four-step lawn fertilizer schedule for homeowners. Fertilizing more than four times a year is overkill. Fertilize your Kentucky bluegrass, bermudagrass, perennial ryegrass, tall fescue, or fine fescue lawn with Scotts® Turf Builder® Triple Action, which tackles three important tasks with a single application. First, it will give your lawn the nutrients it needs to get thick and green this spring, helping the grass establish deep roots so it ... It would take 5 pounds of 20-5-10 fertilizer to obtain 1 pound of N (5 pounds 20-5-10 fertilizer x 20% N = 1 pound N). Ammonium nitrate is 34% N, so it would take 3 pounds of ammonium nitrate to give 1 pound of N. Fertilizers that contain N, P 2 O 5 , and K 2 O are called complete fertilizers.According to the Clemson Cooperative Extension, Bermuda grass requires ½ to 1 pound of nitrogen fertilizer per 1000 square feet every four to six weeks after the grass turns green,...Mar 11, 2024 · fertilizer weight required = fertilizer application rate × lawn area. If you don't know your lawn area, use our area calculator to find out. You must ensure that the units for the lawn area match the units used for the application rate, but you won't need to worry about converting units if you use our fertilizer calculator! If the lawn was 1.5 ... You want your lawn to be slightly moist so it's ready to accept the fertilizer (several days after rain or watering should be fine), Some lawn fertilizers require … All fertilizers add nutrients to the soil to help plant growth. Natural and manufactured fertilizers have different qualities, but it is necessary to take precautions when using either of them. When properly applied, fertilizers pose few risks to humans or animals. If used correctly, fertilizers can help you improve and maintain your lawn. Healthy lawns limit erosion, cool the environment and ... November: The second most important application of lawn fertilizer November is the next most important time to fertilize. The timing of this application should be around the final mowing of the season, normally mid-month. It also should be quick-release applied at the rate of 1-pound actual nitrogen per 1,000 square feet. This …Organic lawn fertilizers are made from organic matter that contributes to a healthy lawn. ... The best times to apply organic fertilizer to your lawn are early spring, usually late March or early April, when the grass greens up after the winter. Then again in early fall, usually between September and October, but at least 6 to 8 weeks before ...Thus to know when to properly apply weed n seed, you need to check your climate zone. Image source: energy.gov. Considering your location, the soil, and weather, the best time to weed and feed should be when the temperature is around 12°C (53°F) and more. So generally the best time for applying weed and feed in early spring or early autumn.Dethatch your lawn when the layer of thatch (dead grass, leaves, and other organic matter in the lawn) exceeds ¾ inch thick. Leave the grass clippings on the lawn. They work as a natural fertilizer and can reduce the amount of synthetic fertilizer you need to apply. Control grubs. The other half releases slowly to continue feeding your lawn for up to three months. Pennington UltraGreen Lawn Fertilizer 30-0-4 promotes thick, green grass in all types of established lawns. It's also phosphorus-free to protect water sources from unnecessary excess lawn phosphorus. Pennington UltraGreen Weed & Feed 30-0-4 and Pennington ... Nitrogen is the most important nutrient for a fall fertilizer. A recommended dose for lawns is 1 pound of soluble nitrogen for every 1,000 square feet or 1 1/2 to 2 pounds of slow-release nitrogen for every 1,000 square feet. Also check what the label recommends on your chosen fertilizer. The Spruce / Jayme Burrows.3 days ago · 4 Select the right fertiliser form: pellets, granular or liquid. Once you've chosen your fertiliser, it's time to think about how to apply it: liquid, or pellets and granules. Liquid fertilisers are quick to absorb, while pellets and granules break down slowly over time. The choice depends on your gardening preferences. Sep 30, 2020 ... For the majority of cool-season lawn owners, apply fertilizer anywhere from September through early November. ... Fall Lawn Fertilizer Application ... Fertilizer delivers the nutrients lawns need to help recover from damage caused by summer heat, drought, and activity; Apply to a wet or dry lawn in the fall, as this is the best time to feed; This lawn care product is for use on any grass type; One 10 lb. bag of Scotts® Turf Builder® WinterGuard® Fall Lawn Food covers 4,000 sq. ft. The Lawn Weed Control Timing Chart was developed to help remove confusion and guesswork when determining the recommended time of year to control various weeds in lawns. The chart is arranged with a list of common weeds in rows on the left, and months of the year in columns on the top of the chart. The row for each weed listed has a colored …Specs and Details. DESCRIPTION. Scotts® Step® 1 Crabgrass Preventer Plus Lawn Food can improve a lawn's ability to absorb water and nutrients. Apply in early spring for a fast green-up after winter. It also controls crabgrass for up to 4 months! Utilize the entire Scotts® 4 Step program for a better lawn. STEP BY STEP INSTRUCTIONS.1. Mix with lawn fertilizer. Mixing Epsom salt with lawn fertilizer is one of the most common ways to apply Epsom salt to your lawn. This saves you the time and effort you would expend in applying the salt and fertilizer separately. Mix both into the lawn spreader and run the spreader until you cover the entire lawn.Nitrogen is the most important nutrient for a fall fertilizer. A recommended dose for lawns is 1 pound of soluble nitrogen for every 1,000 square feet or 1 1/2 to 2 pounds of slow-release nitrogen for every 1,000 square feet. Also check what the label recommends on your chosen fertilizer. The Spruce / Jayme Burrows.Second Spring Application. This goes around mid-May (May 10 to May 20). Some people carry it out on “memorial day.”. 3. Summer Application. Divide this into two parts (half in July and the other half in August). 4. Fall Application. After lawn aeration, carry this out between September 1 to September 15. 1. Water your lawn a few days before fertilizing so your soil is ready to accept the fertilizer. 2. Following the directions on the bag, pour the fertilizer into your spreader and adjust the spreader settings. You can use a hand-held spreader, like the Scotts® Whirl™ Hand-Powered Spreader for a small lawn or a broadcast spreader for a larger ... Fertilize the Lawn. When applying the fertilizer, make header strips around the edge of the lawn. These header strips provide convenient starting and stopping points for each pass. Always push the lawn spreader, never pull it, and walk at a moderate pace. Your speed affects the rate at which the fertilizer is laid. When applying fertilizer, the soil temperature should be at least 45ºF and air temperatures should be no higher than 85ºF. It is important to fertilize when your soil is at the right temperature to avoid damaging your lawn. Applying fertilizer in high temperatures can make your lawn more susceptible to burning.When applying fertilizer, the soil temperature should be at least 45ºF and air temperatures should be no higher than 85ºF. It is important to fertilize when your soil is at the right temperature to avoid damaging your lawn. Applying fertilizer in high temperatures can make your lawn more susceptible to burning.Sep 8, 2023 ... Don't fertilize a dry lawn. Instead, wait until the day after a rain, when the soil is moist. It's also best to time your fertilizer application ...Apply the Fertilizer. When using a granular fertilizer, follow the directions on the fertilizer bag to measure out the right amount for your yard. Fill the spreader and choose a starting point at one end of your yard to begin applying the fertilizer. It’s best to walk at a steady pace so the fertilizer is applied consistently across the lawn ...When feeding your lawn with ironite fertilizer, follow below procedure: First off, ensure to wear the appropriate personal protective clothing like gloves, an overall, and a face mask; since ironite contains toxic ingredients. Next, apply a pound of granular ironite for every 100 square feet of lawn area, and finish off by watering the lawn.by the lawn, greatly reducing potential leaching into the groundwater supply during the winter. The dates by which to apply your last fertilizer application are listed by growing season in Table 3. For more information, see the Texas Cooperative Extension publication E-437, Lawn Fertilization Table 1. Annual nitrogen recommendations for TexasApply spring pre-emergent when the soil temperature is around 55 degrees or above. Rather than setting a specific date for applying a pre-emergent, a good rule of thumb is to use pre-emergent when ...To help you grow the healthiest lawn possible, we evaluated dozens of the best fertilizers from the top brands, considering each for the time of year it's best … Fertilize the Lawn. When applying the fertilizer, make header strips around the edge of the lawn. These header strips provide convenient starting and stopping points for each pass. Always push the lawn spreader, never pull it, and walk at a moderate pace. Your speed affects the rate at which the fertilizer is laid. In vitro fertilization (IVF) is the joining of a woman's egg and a man's sperm in a laboratory dish. In vitro means outside the body. Fertilization means the sperm has attached to ...For the best results with Scotts Step 2 lawn fertilizer, use a seed spreader and apply the fertilizer while the grass is wet. Apply it in the morning when the ground is still soake...
Apply fertilizer to green lawns. Don’t fertilize lawns that have gone dormant. Stressed lawns can’t use nutrients properly, and the fertilizer may injure dormant turf. Wait for your grass to green up after winter before fertilizing your lawn. The ground should have thawed by then, so there’s no risk of the fertilizer being washed away or .... Chevy bolt ev vs euv
Sep 8, 2023 ... Don't fertilize a dry lawn. Instead, wait until the day after a rain, when the soil is moist. It's also best to time your fertilizer application ...10-10-10 is called an all-purpose fertilizer because it can be used on almost any type of outdoor plant, including vegetables, shrubs, trees, flowers, lawns, and houseplants. Generally, it can be applied to any plant that doesn’t need one of the three macronutrients in higher amounts.More Advice. The Fertilizer 411. Simplify the important task of choosing the right products for a lush, healthy garden. Choose the Right Fertilizer. 1. Using a Broadcast or Rotary …In terms of season, the best time to fertilize a lawn is in March or April after the last frosts have passed to promote growth, in July as a boost, particularly against hot …1 - Step 1® Crabgrass Preventer Plus Lawn Food. Apply off the season with Step® 1. Apply in early spring, anytime between February and April when temperatures are still cool (under 80F). Step® 1 prevents crabgrass before it can germinate. It also feeds to green up a winter-weary lawn, too.Fertilizing a Newly Sodded Lawn . A newly sodded lawn can be fed with the same starter fertilizer such as a 16-16-16 applied at planting time. Considerations of grass variety and climate also apply here and help determine the amount of fertilizer needed at this stage of growth.Quick-release and slow-release granular fertilizers require you to water the lawn after application. Applying fertilizer (and water) in the afternoon will ...Use a lawn spreader to apply fertilizer, never by hand. Most brand-name fertilizers will list the proper setting to apply the correct amount of nitrogen to your lawn. Knowing the size of your lawn helps to determine how much fertilizer to buy. Bags typically cover 5,000, 10,000 or 15,000 square feet.Sep 12, 2017 ... The best time to fertilize can depend on the climate, but typically September and October are usually the best months to apply fall fertilizer. All fertilizers add nutrients to the soil to help plant growth. Natural and manufactured fertilizers have different qualities, but it is necessary to take precautions when using either of them. When properly applied, fertilizers pose few risks to humans or animals. If used correctly, fertilizers can help you improve and maintain your lawn. Healthy lawns limit erosion, cool the environment and ... Step 2 – Spring Lawn Applications. Around Mother’s Day in early May is the ideal time to apply step two in our lawn care program (approximately 4-6 weeks following your first application of IFA Step 1 Crabgrass Preventer + Lawn Food ). Your lawn is ready for its next feeding, and IFA Step 2 Weed & Feed is locally formulated to give your ...Apply granulated fertilizer to a dry lawn and wait at least 24 hours to water it. An exception would be weed and feed, which should be applied to damp grass. Fertilizer should be a...Apr 1, 2016 ... In late May or early June, before the heat of the summer arrives, apply some slow release nitrogen. This will encourage the grass to rebuild. A ...When should I put winter fertilizer on my lawn? You should apply winterizer when the grass stops growing in the fall, but also while. For best-practice lawn ...3 days ago · 4 Select the right fertiliser form: pellets, granular or liquid. Once you've chosen your fertiliser, it's time to think about how to apply it: liquid, or pellets and granules. Liquid fertilisers are quick to absorb, while pellets and granules break down slowly over time. The choice depends on your gardening preferences. Generally, it is usually best to fertilize before rain is forecasted. This allows the fertilizer to be absorbed into the yard before the rain, which can help the grass grow more evenly. Further, if you apply fertilizer, make sure that the ground is dry. So, the fertilizer doesn’t just wash away.When choosing a fertiliser, make sure it is suitable for your lawn variety and the time of year you are applying it to your lawn. Liquid Fertilisers contain the active ingredients which push your lawn to its fullest growing potential in the quickest time. As liquid fertiliser is a quick fix and ignites growth and greening-up of your lawn, it needs to be applied more …The best practice to effectively use Ironite as a form of lawn care is to distribute the Ironite with a fertilizer, between 4 to 10 times in a year depending on the current condition of your lawn. I generally apply iron along with Milorganite, my favorite organic lawn fertilizer (which also contains a little bit of Iron).When To Apply Winter Fertilizer. You should apply winterizer when the grass stops growing in the fall, but while it is still active in the root system. You can tell that your grass is still active by the the strong green color. Your location will depend on when exactly this is, but it is usually mid-late November.You can buy lawn fertilizer with sulfates as a liquid applied with a hose-end sprayer, or as granular fertilizer applied with a spreader. Use a broadcast spreader for lawns 4,000 square feet or more. Choose a drop spreader for lawns with a lot of landscaping and hardscaping and smaller-sized yards. Caution!16-16-16 fertilizer can be applied to your lawn as frequently as recommended by the directions on the package. It is good to apply a slow-release fertilizer to the soil before putting down new sod or sowing grass seeds. Lawns need nitrogen to promote green leaves and potassium to strengthen the roots..