Servicing the Mpls/St. Paul metro through 5 area offices:    Eden Prairie (952) 941-2900 | Burnsville (952) 890-6655
Woodbury (651) 735-4422 | Plymouth (763) 383-7655
New Brighton (651) 633-9892



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Joan from New Brighton says:

05/02/11 06:10 PM

I have used Guaranteed since the early 90's and I have enjoyed watching there company grow without compromising the service they have provided to us! we love supporting our local companies


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Refer a Neighbor... or a Friend

Receive one free Fertilizer and Weed control application on your next service when you refer a neighbor or a friend to Guaranteed Turf Care and they sign up for our Nature Green or Weekender Mowing program.

The objective of any fertilizer program is to supply the grass plant with the appropriate nutrients throughout the growing season. To maximize results, one needs a knowledge of appropriate application rates and timing relative to seasonal growth rates.

Common Consumer Questions About Fertilizer: 

How much fertilizer should be applied?

Fertilizer application rates are always calibrated in pounds of nitrogen per 1000 square feet of grass. Nitrogen is the most important nutrient a grass plant utilizes. Bluegrass lawns in this area require 4 pounds of nitrogen per year. The maximum rate of any single application should never exceed 1 pound of nitrogen per 1000 square feet. Excessive application of nitrogen in a single application or lack of annual nitrogen requirements is detrimental to developing a healthy lawn. Application rates of nitrogen should be less than 1 pound per 1000 square feet during the spring growth surge.

Should fertilizers be applied in the summer?

The goal of an appropriate fertilizer program is not to stimulate shoot growth if the plant is under the heat stress of a July mid-summer. Appropriate fertilizers during this period would be sulfur coated to slow down release times. Application rates should be reduced.

What is the purpose of October "winterizer fertilizers"?

October is an ideal month to fertilize because there is very little shoot growth and the cooler temperatures stimulate root activity. The natural fall cycle of the grass plant is to send all of its nutrients down to the roots and store the balance for winter survival and spring shoot growth. Higher potash fertilizers would be more appropriate at this time of year.

What is the best time to apply fertilizer?

Two applications in the April-May-June time frame are necessary to replenish nutrients lost during the vigorous shoot growth of spring. A mid-summer application should be applied only if needed. Two applications in the late summer-fall period are necessary to replenish nutrients lost during the heat stress of summer and to prepare the plant for the winter.

Should a fertilizer contain phosphorous?

Phosphorous is not used in most fertilizers today and Guaranteed Turf Care does not use any phosphorous. Phosphorous is not used because it promotes algae growth in our streams and lakes. Phosphorous is also sufficient in most of our area soils.

What are the advantages of organic fertilizer?

The advantage of organic fertilizer is its slower release methods of feeding the soils and roots naturally. Organic fertilizers feed through the activity of micro-organism activity, which is a very slow, natural process.

Will an organic program eliminate toxicity?

All fertilizers are non-toxic so toxicity is not a criteria for selecting a fertilizer. When caring for a lawn the toxicity is in the weed control. The usage of weed control products can be reduced when two step methods are utilized. The first step is the application of a dry fertilizer only. The second step is to treat the weeds only with a liquid formulation. It is not necessary to treat areas of the lawn absent of weeds.

When can I water, mow, or rake after a fertilizer treatment?

Watering improves the results of a fertilizing so you can water at any time. It is necessary to water before you mow or rake.

How can a Guaranteed Turf Care fertilizer program improve my lawn?

Fertilizer, like weed control, is a maintenance function that needs to be done several times during the growing season. Without continuous feeding programs the lawn will deteriorate and weed infestation will increase. You can be assured that our licensed professionals, with 35 years of local experience, will apply the appropriate blend of fertilizer at the right time and at the proper rates.

How can I improve turf density?

With adequate fertilizer treatments throughout the growing season, Lime or Gypsum treatments to supplement the soil, core aeration, overseeding, high mowing and plenty of water.

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