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15-0-15 Fertilizer for Centipede Grass [Good for Your Lawn]

15-015 fertilizer is ideal for established Centipede grass lawns because it delivers the nitrogen and potassium that Centipede grass needs without any of the phosphorus that impedes mature Centipede grass growth. Apply 15-0-15 twice per year to Centipede lawns during the growing season. This will keep your established Centipede lawn apple-green and thriving.

Table of Contents

Why is 15-0-15 The Best Centipede Grass Fertilizer?

The numbers on 15-0-15 fertilizer indicate that it contains 15% nitrogen, 0% phosphorous, and 15% potassium. Since Centipede lawns thrive in high-nitrogen, high-potassium soil with low phosphorus content, it delivers exactly what your lawn needs.

  • 15-0-15 delivers nitrogen and potassium without any added phosphorus.
  • Centipede grass thrives best when it receives nitrogen and is grown in potassium-rich soil.
  • Established Centipede grass performs poorly when the soil contains high phosphorus content.

In essence, 15-0-15 provides everything Centipede grass needs without any added ingredients that may hinder its growth. It’s the best choice when maintaining Centipede grass.

What Does 15-0-15 Mean?

The three numbers on all fertilizers indicate their nutrient percentages. The numbers, in order, always refer to nitrogen, phosphorus, and potassium percentage by weight. So, 15-0-15 contains 15% nitrogen, 0% phosphorus, and 15% potassium. This means each pound of fertilizer contains 2.4 ounces of nitrogen, 0 ounces of phosphorus, and 2.4 ounces of Potassium. The rest of the weight is taken up by ingredients that aid absorption and fertilizer uptake by grass.

  • Number 1: Percentage of Nitrogen by weight.
  • Number 2: Percentage of Phosphorus by weight.
  • Number 3: Percentage of Potassium by weight.

You will sometimes see fertilizers referred to by their nutrient ratio. 15-0-15 has a 1:0:1 ratio. However, the percentage is the most useful number when calculating how much fertilizer to spread on your Centipede turf.

How to Use 15-0-15 Fertilizer on Centipede Grass Lawns

15-0-15 fertilizer should be applied twice per year, for a total of 2 pounds of nitrogen and 2 pounds of potassium added to the soil annually. This supports the best blade growth for your lawn without risking a harmful fertilizer overload that may dry out and damage your grass.

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When is the Best Time to Apply 15-0-15 to Centipede Grass?

Perform 2 yearly applications of 15-0-15 on Centipede grass. The first application should be made in May, 2 weeks after grass green-up. The second application should be performed in late summer, typically between mid-August and mid-September.

  • Make your first application of 15-0-15 fertilizer in May.
  • Perform a second application of 15-0-15 fertilizer from mid-August—mid-September.

In regions with frosty or freezing winters, aim for a second fertilizer application in mid-August. If you live in an area where winters rarely bring frost or hard freezes, time your second fertilizer application in early to mid-September.

Hi-Yield Weed and Feed 15-0-10 – Questions & Answers

We don’t have the exact spreader setting for your model spreader. The easiest way to determine the correct setting for you needs is outlined below:

If you need to use 3.6lbs of product per 1,000 sq ft you would add 3.6 lb of product to spreader, start with a medium setting, then apply product to a 20 x 50 ft area (1,000 sq ft). If you have product left, your setting is too low. If you run out of product, your setting is too high.

As long as you keep your pets and children out of the area while you treat and until all the areas have dried and settled it will be completely safe for your pets to use the treated area and resume normal activity.

Hi-Yield Weed and Feed 15-0-10 is meant to be used to control over 200 broad-leaf weeds and would not be used for crabgrass or other grassy weeds. Ferti-Lome A-Vert Plus Lawn Food 18-0-12 could be used instead if the NPK match what your lawn needs and your lawn type is listed on the product label. Please refer to the product label for complete instructions.

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We would recommend consulting with your local Master Gardener at the extension office for fertilizer rotation recommendations. Hi-Yield Weed and Feed 15-0-10 states to apply only 2 times year waiting 30 days between applications. Depending on what the fertilizer you are rotating with and what nutrients your lawn is needing will depend on application rates and rotation times. You may contact your cooperative extension here.

We don’t have the exact spreader setting for your model spreader. The easiest way to determine the correct setting for you needs is outlined below:

If you need to use 3.6lbs of product per 1,000 sq ft you would add 3.6 lb of product to spreader, start with a medium setting, then apply product to a 20 x 50 ft area (1,000 sq ft). If you have product left, your setting is too low. If you run out of product, your setting is too high.

We don’t have the exact spreader setting for your model spreader. The easiest way to determine the correct setting for you needs is outlined below:

If you need to use 3.6lbs of product per 1,000 sq ft you would add 3.6 lb of product to spreader, start with a medium setting, then apply product to a 20 x 50 ft area (1,000 sq ft). If you have product left, your setting is too low. If you run out of product, your setting is too high.

After apply Hi-Yield Weed and Feed 15-0-10 it is best to wait about 60 days before overseeding. If seeding is done prior to an application, then you must wait until seedlings have good root growth, about two months or once you have mowed it twice.

No Hi-Yield Weed and Feed 15-0-10 ? cannot be used around any edibles or fruit bearing trees or vines. Drexel Diuron 80 Herbicide ? can be applied only to established vineyards (at least 3 years old) as a band treatment. The product label advises to apply in Spring just prior ot germination of annual weeds. Do not exceed more than 2 applications per year. When using this product in a sequential treatment program, minimum retreatment interval is 90 days.

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? Roundup can be used for actively growing weeds as a spot treatment in and around edibles as it does not stay in the soil. Use caution not to spray any vines directly.

Hi-Yield Weed and Feed 15-0-10 should only be applied to the following established turfgrasses: Bahia, Bermuda, Bentgrass, Bluegrass, Centipede, Fescue, Perennial Ryegrass, and Zoysia

Ferti-Lome Centipede Weed and Feed 15-0-15 – Questions & Answers

Yes, Ferti-lome Centipede Weed and Feed 15-0-15 should take care of the lespedeza that is in your lawn, It has the 3 way herbicide that is required.

The Ferti-Lome Centipede Weed and Feed 15-0-15 will not harm any currently growing turfgrass and can actually help the winter rye due to the NPK of the product.

Ferti-Lome Centipede Weed and Feed 15-0-15 will treat for weeds and help fertilize, but will not address disease or insect issues. Please check out our Lawn & Garden Guide.

Yes, Ferti-Lome Centipede Weed and Feed 15-0-15 is labeled for use on several different grass types, including zoysia.

Ferti-Lome Centipede Weed and Feed 15-0-15 is applied using a spreader. Please refer to the product label for spreader setting recommendations and detailed application instructions. Please let us know if you need further assistance.

Ferti-Lome Centipede Weed and Feed 15-0-15 should NOT be applied to Floratam St. Augustine lawns.

First, if you have not done so, it would be recommended to have a soil sample analyzed at a local nursery or university to confirm that your lawn needs to have the pH lowered before applying the sulfur. Since proper pH determines how well the soil uses those nutrients in the fertilizer, you can apply before or along with the application of Ferti-Lome Centipede Weed and Feed 15-0-15.