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Our Program

We take a four step approach to organic lawn care:

Soil Testing1. Education 

At Green Core Organics our goal is to educate the consumer about sustainable organic lawn care. We accomplish this by posting scholarly articles on our website, social media, and pdf documents. We detail our organic approach by coaching the consumer on organic practices. Maintaining proper practices is the single most important element that the consumer can learn and apply. 

2. Feeding The Soil

The premise of natural lawn care is feeding the soil which will in turn feed the grass.  We use a variety of natural, grain based amendments and organic fertilizers to provide the nutrition your lawn needs.  The inputs will also provide a boost to your soil’s organic matter.  These amendments can include alfalfa meal, soybean meal and corn gluten meal.  If your soil PH is out of balance or lacking in calcium, we may also recommend that lime or gypsum be added to the soil.  Soil with the proper PH will allow the grass to utilize the nutrients present in the soil when you maintain your lawn organically.

We follow with applications of a biologically active liquid that is similar to compost tea and is teeming with beneficial microbes and bacteria.  It includes kelp, black strap molasses, humates and amino acids to build  healthy grass and soil.  The microbes and bacteria will feed on the organic matter in your lawn and release nutrients to the grass.  Nitrogen fixing bacteria have the ability to provide up to half the nitrogen require in an organically maintained lawn.  This is the way nature has been doing it for millions of years!

Core Aeration and Overseeding3. Core Aeration

Other than proper mowing practices, no service is as beneficial to your lawn as core aeration.  Aeration loosens compacted soil, allowing oxygen, nutrients and moisture to reach the root zone of the lawn.  It also provides room for the roots to expand, aiding in drought resistance and weed suppression (weeds thrive in compacted soil).  Depending on your soil profile, we strongly recommend core aeration during the first few years of an organic program and on an as needed basis after that.  When lawn aeration is done in conjunction with a seeding program it increases contact between the grass seed and soil, leading to higher germination rates and better results.

4. Overseeding

A thick healthy stand of turf is the best defense against weeds.  A lawn with thin grass or bare patches is giving nature an open invitation to fill in the bare area, usually with a weed.  By aggressively overseeding your lawn, you not only will produce thicker, healthier, more drought resistant turf, but you will be keeping weeds at bay the way nature intended.  We use top quality blends of seed specifically formulated for the Minneapolis and Saint Paul area.  These blends contain varieties of fescue, perennial rye grass and Kentucky Bluegrass that are drought and disease resistant and will grow well in our Minnesota climate.

The ideal time to overseed your organic lawn is late summer into early fall.  The University of Minnesota Extension Service recommends seeding from the middle of August through September.  Spring seeding can also be done but the newly germinated grass faces increased stress from drought and heat.  Other than bare patches in the lawn, we only recommend this for those who have an underground irrigation system.  Dormant seeding of the lawn can be performed in Minnesota in late fall or early winter when the soil temperature is low enough to prevent germination.  The winter snow cover forces the grass seed to make excellent contact with the soil and provides needed moisture in the spring as soil temperatures warm and the seed starts to germinate.