When To Fertilize A Lawn: Quick Guide 2022


When To Fertilize A Lawn In Easy Way:

When to fertilize a lawn is a key ingredient in growing and retaining a green, wholesome garden. Unfortunately, maximum house owners don’t trouble to fertilize because they without a doubt don’t recognize which merchandise to use, or how and while to apply them. And complicating the difficulty is if lawn fertilizer isn’t carried out efficiently, it is able to sincerely do greater damage than right.

So, to assist advise us on the proper manner to fertilizer a lawn, we contacted Jeff Turnbull, president of LCS Lawn Service inside the Twin Cities. Here are his 9 simple-to-comply with regulations for fertilizing lawns.

When To Fertilize A Lawn Guide

When and How To Fertilize Your Lawn Steps:

In some approaches, lawns are loads like human beings. Operating at the peak of splendor and performance requires an amazing eating regimen and the right care. Lush, thick, green lawns rely on nicely timed, nicely balanced nutrition to look and develop their exceptional. Understanding whilst and how to fertilize your garden can help you and your grass stand out from the relaxation.

How To Fertilize New Grass:

  1. If you are beginning a brand new lawn from seed, sod, or plugs — or you’re doing bare garden spot repair — a starter fertilizer facilitates grass to get a suitable start. Unlike hooked-up lawns, new grass benefits from extra phosphorus, an essential plant nutrient that helps sturdy, deep roots. Some states only permit phosphorus-containing lawn fertilizers on new grass, so check with your county extension workplace in case you’re unsure.
  2. On fertilizer products, phosphorus is the middle variety in the N-P-K ratio — commonly “0” in ordinary garden fertilizers. But with UltraGreen Starter Fertilizer 22-23-4, you get an ideal ratio of nitrogen, phosphorus, and potassium, plus different essential garden nutrients, inclusive of iron for deep inexperienced color. This top-rate fertilizer mixture starts off evolved feeding new grass right away and continues feeding it for up to 3 months.
  3. Always follow guidelines for the best time to plant grass seed in your location and grass kind, then fertilize for that reason. For seed or plugs, practice fertilizer with an ordinary garden spreader before you plant. If you’re beginning a garden with sod, fertilize after your sod is in the region.
  4. With any new lawn vicinity, avoid the usage of crabgrass preventer fertilizers or weed & feed fertilizers inside 4 weeks before planting time. After seeding, wait until your new grass receives installed and you’ve mowed your lawn at least three times.

How To Fertilize Established Lawn Steps:

To keep your existing garden searching its high-quality 12 months-spherical, select a fertilizer plan that meets its converting seasonal needs. As a Fertilizer maker, we make it easy for northern and southern lawns. Just comply with our 4-element annual lawn fertilizer program:


Between February and April, temperatures heat, and weed seeds start to germinate. Prevent new weeds — and feed your garden within the system — with UltraGreen Crabgrass Preventer Plus Fertilizer III 30-0-four. You can prevent new weeds before their roots get mounted and manage new weeds for up to five months.

Timing is important for this step. Make positive it is carried out earlier than crabgrass seed germinates — that happens whilst soil temperatures attain 55 tiers Fahrenheit. For satisfactory results, observe with a spreader to actively growing turf and deliver your lawn at the least .5 inches of water from rainfall or irrigation within 14 days.

On pinnacle of weed control, UltraGreen Crabgrass Preventer Plus Fertilizer III 30-zero-four delivers iron and rapid-performing nitrogen for fast greening, and slow-launch nitrogen for prolonged feeding for up to 3 months. Always observe the label commands for your precise grass type. Do no longer practice this product within 60 days of overseeding. Wait until the subsequent year before treating new sod.


Between April and June, current weeds launch into an active boom. Weed & feed fertilizers integrate broadleaf weed killers with vitamins to feed your actively growing lawn:

UltraGreen Weed & Feed 30-0-four treats northern and southern grasses to kill more than 250 weeds from tip to root. It feeds your garden critical nutrients for thick boom and wealthy shade. Plus, it continues feeding for up to 3 months.
UltraGreen Southern Weed & Feed 34-zero-4, designed especially for southern lawns, kills hard present weeds* and maintains controlling new weeds for up to three months. And even as it does that, this product maintains feeding your lawn the vital vitamins it needs.

Always check weed & feed labels to your specific grass type and observe commands carefully. Weed & feeds are simplest when weeds are younger and small. For first-class results, follow the product within the early morning while the grass is wet with dew and no rain is forecast for one to two days.

If you plan to overseed, keep away from weed & feed for four weeks before. After overseeding, wait until your 0.33 mowing takes place. For sodding, sprigging, or plugging, wait 4 weeks earlier than you weed & feed so new grass can start right away.


Between June and August, proper feeding allows enhancing lawns in opposition to heat and drought. Keep your garden lovely and resilient with  Ultragreen Lawn Fertilizer 30-zero-4. This top-class garden fertilizer, ideal for northern or southern lawns, maintains feeding for up to a few months. Your lawn gets vital nutrients, which include iron for rich color, and you get thick, lush inexperienced grass.

Always test the label for your particular grass kind, then observe instructions, therefore. Used as directed, you can apply Ultragreen Lawn Fertilizer 30-zero-4 to wet or dry lawns and now not fear fertilizer burn.


Between August and November, grass slows down and prepares for the iciness months. At the equal time, broadleaf weeds begin active growth once more. With the help of UltraGreen Winterizer Plus Weed & Feed Fertilizer, you may feed your northern or southern garden vitamins critical to its wintry weather prep and spring green-up — and kill broadleaf weeds. As a trendy rule, permit six to eight weeks between fertilizing and your first anticipated frost.

As with all fertilizer products, check the label and follow commands for your particular grass kind. If you’re overseeding, wait till subsequent 12 months for weed & feed. Instead, turn to Ultragreen Lawn Fertilizer 30-0-four for the year’s final feeding.

Best Time :

The very satisfactory time to fertilize your garden is inside the spring, whilst the soil temperature—not the air temperature—reaches 55º Fahrenheit. You’ll recognize whilst the soil warms as much as 55º due to the fact the lilacs
will begin to blossom and the grass will begin developing.

Or, buy a soil thermometer and test the temperature at any time. In maximum components of u . S. A . Which means the first utility of garden fertilizer needs to take the region by means of approximately mid-April. So, if you have not commenced yet, now could be the time.

Know the Numbers To Fertilize:

When searching for fertilizer, you’ll locate three numbers imprinted on the label. These numbers constitute the percentage of nitrogen, phosphate, and potassium, respectively, which might be the primary vitamins needed to feed your lawn. So, a 20-five-10 bag may have 20 percent nitrogen, 5 percentage phosphate, and 10 percent potassium. The relaxation of the bag usually includes filler material that enables make certain the fair utility of the fertilizer. By the way, a 20-5-10 garden fertilizer is a great primary mix to apply in spring.

Use of a Slow-Release Fertilizer:

Slow-launch lawn fertilizers damage down their vitamins over a longer time frame so that you can wait longer among packages. That saves you money and time.

Slow-Release Fertilizer

He recommends a gradual-launch that carries nitrogen, however not an excessive amount. The maximum nitrogen you need on a garden is one-tenth of a pound regular with the week. The grass cannot get any greener than that. If you use greater, you are only going to make the grass grow quickly so you have to mow extra often,” Turnbull explains. “The key’s to get it as unpracticed as conceivable without developing it rapidly,” Turnbull suggests giving your grass somewhere in the range of two and 3 pounds of nitrogen over the whole creating season.

If you go with 25-zero-four fertilizer, that offers you one pound of nitrogen. So, over four weeks, it’s a quarter pound of nitrogen per week, which is way too much.


When master exterior decorators apply compost, they as often try to make pressing factor up in a big hauler truck and shower your total lawn in a remarkably short quantity of time. But pros do that every day so that they recognize a way to factor in for the wind and make certain the yard receives even insurance. And they have the proper gadget to get the activity executed right. Homeowners, alternatively, have to use granules, which can be exquisite simple to use using a spreader.

When you’re spraying fertilizer, it’s difficult for a proprietor of a house to get a regular, even application at some stage in the whole lawn.

Plan for Five Applications To Start:

As cited earlier, Turnbull recommends giving your lawn it is first feeding of fertilizer within the spring—mid- to past due-April in most regions—as soon as the soil temperature reaches 55º Fahrenheit. Your nearby university extension office can come up with the soil temperature to your community, but again, you can use a soil thermometer or wait till the lilacs blossom, as an indicator that the soil is 55º.

Now, the second feeding ought to take place approximately four weeks after the first software, around mid-May or so. Then fertilize each six to eight weeks after that straight via to October. For the third feeding, use a natural cloth, including manure, in place of conventional lawn fertilizer.

And take into account that fall feeding is vital, too. Grass maintains growing in some unspecified time in the future of the fall. The roots are taking place in the soil and they want fertilizer.

Remember to Water Your Lawn:

Contrary to what some human beings think, the extra you water your lawn, the extra fertilizer it desires. As the grass develops, it makes use of extra nutrients. If you’ve got a robotized sprinkler contraption, you should prepare your yard about at everyday durations. Without a sprinkler gadget, you can wait an additional week among feedings.

Also, make sure to carefully read the fertilizer label to learn whether you must water the garden earlier than or after applying the fertilizer. Granulated fertilizers need moisture to break down, and a few fertilizers require you to soak the lawn previous to software.

Close the Hopper and Fill Up:

When you are prepared to pour fertilizer into the spreader, park it on the driveway or patio. If you can not, at the least placed a tarp under it. This will maintain any spilled granules from amassing in a single spot on the lawn, where they could burn and kill the grass.

Broadcast spreaders are easier to apply, and in view that they disperse fertilizer a wider distance, there is less chance you will emerge as with stripes in your yard because of now not nicely overlapping the rows. Plus, broadcast spreaders are pretty low-priced, beginning at approximately $30.

To treat little yards, utilize a handheld transmission spreader, which has a hand wrench. You should buy one for as little as $15. These compact spreaders are particularly beneficial for fertilizing narrow aspect yards, and grassy areas alongside fence traces, round timber, and in the back of garages and sheds.

Regardless of what sort of spreader you use, make certain to stroll at a regular, regular tempo as you apply the fertilizer. Failing to accomplish that will cause the fertilizer to unfold too thin in some spots and too thick in others.

Apply, But Don’t Over-Apply:

Every fertilizer labels its product with a list of the utility rate, but Turnbull recommends that you don’t have to observe it. Probably the most important slip-up belongings holders utilize manure with the spreader totally open. He shows spreading the compost at half or marginally drastically less than
1/2 the producer’s endorsed rate.

Start by making use of fertilizer across the perimeter of the backyard first, after which fill inside the center, running in a single course. Then, spread it again, transferring in a perpendicular route. This crisscrossing pattern ensures plenty of higher insurance and facilitates prevent over-applying the fertilizer. When it comes to spreading fertilizer, Turnbull says, too little is higher than too much.
I usually recommend erring at the aspect of too little. A heavy dose of fertilizer isn’t the handiest waste of money, however, it can burn and kill the grass.

Since you’re making use of the fertilizer at half of the encouraged price, it may not unfold out very far, so you do not need to estimate how tons spacing to preserve among rows. Go from tire-song to tire-tune at the spreader. This will ensure cautious, even safety. And make sure to test the environment to determine earlier than treating.

If you practice the fertilizer right before a downpour, a whole lot of the fertilizer could be washed away.

Sweep Up Stray Granules Tips:

No depend on how cautious you’re the spreader will occasionally throw fertilizer onto your driveway, sidewalk, or patio. In the event that that occurs, clear it up as opposed to allowing the downpour to wash it away.

On the off threat that you don’t solve and accumulate the abundance manure, it surely offers extra pollution. It gets washed away into typhoon drains and then finally ends up in the rivers, streams, and lakes.

Finally, once you’ve completed fertilizing your lawn, pour any leftover fertilizer out of the spreader and returned it into its unique bag. Tightly seal the bag and keep it away in a cool, dry place, nicely far away from any children and pets.