Jonathan Green Organic 4 Step Program
Why We Carry Jonathan Green Grass Seed

Out of all the grass seed companies in the country, we choose to carry Jonathan Green grass seed because it is the best, hands down the best. We can buy grass seed that’s cheaper, we can buy gimmicky grass seed like coated grass seed, but we choose to go with the quality of Jonathan Green. After sitting down with Barry Green years ago at a trade show, I realized I was not talking to a salesman, but a bona fide grass guru. This man helped me understand that his grass seed is far better than the competition’s seed, which are so often older varieties of turf seed that are out of date.
Customers are always telling us they’re trying to get rid of turf in their lawn and it’s clear that it’s because it came from a poor grass seed mix, plain and simple. High quality grass seed costs a bit more but when it comes to weeds and grass seed, you get what you pay for!
I invited seedsman Barry Green to talk about his product and like anyone who really loves and believes in what he does, he agreed. So here’s Barry Green, 4th generation seedsman.
by Barry Green, seedsman and president of Jonathan Green, Inc.
Our business was founded generations ago by Jonathan Green to supply professional grass seed customers, like sod-growers, with seed varieties and seeding results that met and exceeded their expectations. To accomplish this goal we knew that we would have to get into the turfgrass breeding business and in 1986 we did, when we established a turfgrass research farm near Salem, Oregon in the heart of the grass seed production region in the United States. Soon we were planting turfgrass evaluations plots at leading universities and on sod farms throughout the Northeast and Mid-Atlantic states in order to test our seed under all the stressful growing conditions we face in our marketing areas (including very hot and humid summers and icy- cold winters).
Big discovery - beneficial endophytes!
A few years later we learned of a new research breakthrough called “beneficial endophytes” which could be bred into turfgrasses to make them distasteful to surface feeding insects, such as chinch bugs and sod webworms, and soon after we introduced endophytes into our entire grass seed retail program. They also help the grass plant to be more drought-tolerant and disease-resistant. At this time, Jonathan Green, Inc. is the only grass seed company selling grass seed mixtures with beneficial endophytes to the general public.
More discoveries - heat- and drought-tolerant grass seeds
In 1993 we discovered another important breakthrough in turfgrass breeding - a cool-season grass was discovered surviving hot, desert conditions in Africa - because of an invisible waxy-cuticle coating on the outer leaf surface, which we discovered with a microscope. Then a few years later we discovered another grass seed with similar qualities closer to home - in Marquette, Michigan, where the winds are very harsh.
And Black Beauty was Born
After many years of evaluation and turfgrass breeding work, we were able to cross these two grasses to create what we now call the “Black Beauty Breakthrough in Turfgrass Breeding”. These tall fescues look very similar to Kentucky Bluegrass but are more deeply rooted, drought-tolerant and disease-resistant than any other grass seed variety which has previously been available. They grow in full sun and partial shade and in sandy or heavy clay soils. They will thrive under the adverse growing conditions of Eastern New England and will look great doing so! The Black Beauty grasses can be found in our original Black Beauty and Black Beauty Ultra Grass Seed Mixtures and as a key component in many of our other great grass seed mixtures.
Only at Independent Garden Centers
Our products are only available at fine independent garden centers such as Mahoney’s - because this is where homeowners must go to get the advice and instructions that they need to achieve success on their lawns.
Photo: Barry Green with Dr. Xunzhong Zhang of Virginia Tech University inspecting grass samples that were being evaluated for disease resistance.
More info on their website: An excellent link for information regarding Black Beauty Or sign up here for Jonathan Green’s “Timely Tips” e-newsletter.
Jonathan Green Natural Beauty
A complex, ALL ORGANIC lawn fertilizer that is homogenous, provides excellent turf nutrition for 8 to 10 weeks. Natural Beauty is rich in primal humates to help restore soil life, resulting in a beautiful, healthy lawn. Contains Amino Acids, Vitamins and Polysaccharides naturally derived from fruits and vegetables.
This unique formula provides carbon, which feeds beneficial soil microbes. Prevents thatch buildup and helps stimulate the decomposition of existing thatch. Increases earthworm activity. Eco-friendly formula - no phosphorus, great for lake and bay communities. Contains no animal manures.
Apply at the heavy rate when seeding lawns or to rejuvenate sick, tired lawns.
Jonathan Green Organic Weed Control
Provides superior pre-emergent weed control plus organic fertilizer. Prevents over twenty grassy and broadleaf weeds - such as Crabgrass, Dandelions, Bermudagrass, Orchardgrass, Barnyard grass, Purslane, Curly Dock, and Clover from growing.
Easy-to-spread granules provide even weed control, plus feeding and superior greening. For best results, apply in Spring and Fall. If weeds are excessive, we recommend applying at the heavy rate of 20 lbs. per 1,000 square feet in Spring and Fall.
Do not apply grass seed for 60 - 90 days after spreading this product.
Jonathan Green Mag-i-cal
MAG-I-CAL is rich in calcium, which is as essential in the development of new plants as it is vital in the creation of strong bones. MAG-I-CAL contains soluble calcium, combined with an organic acid, which is pelletized to make it easy to spread.
Once MAG-I-CAL comes into contact with the soil and water, it releases quickly to rapidly raise soil pH. This is important because desirable lawn grasses thrive in a range of 6.0 to 6.8 pH soils, while weeds persist in lower pH soils. MAG-I-CAL will re-energize your lawn by improving its soil structure. Lawns fed with MAG-I-CAL are healthier, due to improved water filtration, aeration and an increase in the growth of micro-organisms. MAG-I-CAL IS AN ALL ORGANIC LAWN FERTILIZER. Use MAG-I-CAL when both seeding or over-seeding your lawn. Use Jonathan Green MAG-I-CAL every year on your lawn - see the difference!
Jonathan Green Organic Lawn Fertilizer
A complex, homogenous, ALL ORGANIC lawn fertilizer that provides excellent turf nutrients for 8-10 weeks. Contains Kelp, Feather, Bone and Blood meals, Amino acids and Humates. Contains no animal manures.
Provides a slow, gentle feeding, promoting a healthy, thick, dark-green lawn over time. Provides carbon, which feeds beneficial soil microbes. Prevents thatch buildup and helps stimulate the decomposition of existing thatch and increases earthworm activity. Apply at the heavy rate when seeding lawns or to rejuvenate sick, tired lawns.




