Fertilizers & Seeds

A landscaping endeavor isn't finished until it's been enhanced with key elements such as mulch, topsoil, and stones, offering protection for plants against pests. Our range of premium bulk materials is perfect for adding the final touch to any landscaping project, regardless of its scope.

Jonathan Green

Jonathan Green Seeds and Fertilizers specializes in premium lawn care products, offering a comprehensive range of grass seeds, soil enhancers, and fertilizers. Known for their commitment to creating lush, durable, and healthy lawns, Jonathan Green products are designed for both amateur gardeners and professional landscapers, emphasizing eco-friendly practices and superior results.

Fertilizer

  • MAG-I-CAL Soil Food for Alkaline Soils

    gradually decreases the pH of soil so your lawn can be healthy and you can avoid the risk overcorrecting the pH balance and doing more harm than good. It breaks down quickly and helps release nutrients in the soil that help your plants grow. Use when your lawn’s alkaline levels read between 7 – 14 on the pH scale.

  • MAG-I-CAL Plus® for Lawns in Acidic + Hard Soil

    is great for when you want to increase lawn growth and quickly raise the soil’s pH. It contains a patented, fast-acting gypsum that breaks up compressed soil to help roots grow deep. It also has calcium that increases nutrient availability for hungry grasses and plants.

  • MAG-I-CAL Plus® for Lawns in Alkaline + Hard Soil

    is perfect when you need to lower soil pH and enhance natural nutrients trapped in the soil. This fertilizer also loosens compacted soil and contains their patented, quick-releasing gypsum to release air and water for more root penetration.

  • MAG-I-CAL® for Lawns in Acidic Soil

    improves your lawn’s health with its highly soluble calcium composition that increases your soil’s pH and releases trapped nutrients. It can be used during anytime during the growing season. It’s also a budget-friendly option as one bag of it equals up to 15 bags of limestone!

  • Love Your Soil

    is an all-natural, all-organic fertilizer. It stimulates soil microbes and is healthy for soil and plants alike. It helps break up dense soil and releases nutrients. Help your lawn grow strong with this biologically healthy fertilizer.

Grass Seed

  • Black Beauty® Original

    A classic seed mix that produces a dark green turf. It’s been updated to increase resistance to disease and drought, making it a great choice for lawns that experience high levels of heat. The leaves have an invisible waxy coating, which helps preserve moisture and increase its tolerance to cold and wind. It grows well in clay and sandy soils and can be planted in either full sun or partial sun areas.

  • Black Beauty® Ultra

    has a blend of multiple grass species, including elite varieties of tall fescue, Kentucky bluegrass, and perennial ryegrass to ensure grass diversity and keep lawns healthy for years. This seed mix produces a beautiful, dark-green colored lawn that is also highly resistant to both heat and drought.

  • Jonathan Green Contractors Mix

    germinates in 7 – 14 days and quickly grows to cover the ground. Given its fast growth, it’s great for lawns in need of stabilizing their grass seed or for those that need temporary seeding.

  • Black Beauty® Dense Shade Mixture

    is best for shaded lawns and dry soils. When other seed mixtures have failed, try this one. Because it contains endophytic turfgrass varieties, it helps deter insects without the need for harmful pesticides. It is a mix of multiple seed types, including Black Beauty® Tall Fescues.

  • Black Beauty® Fall Magic™

    grass seed is a custom mix of several grass types, including Black Beauty® tall fescues, and is specifically designed to help fall seedings be successful. Use on established or new lawns to repair summer damage. It can be used in sun and shade.

  • Jonathan Green’s Fast Grow Grass Seed Mixture

    can be used for troubled lawns or brand-new ones. It’s grows quickly because it contains Annual Ryegrass, which is the fastest germinating grass seed variety (7 – 10 days). Overseed your lawn for dense, lush growth.

  • Black Beauty® Sunny

    contains Black Beauty Tall Fescues and is great for lawns that experience stressful, sunny conditions. It’s endophytic turfgrass varieties of seed helps prevent insect damage for a quality, durable lawn.

  • Black Beauty® Heavy Traffic™

    combines tall fescues and perennial ryegrasses to produce a hardy mixture that resists abrasion. It’s perfect for areas with heavy foot traffic or where kids and pets like to play.

  • Lawn Repair

    is ideal for tough lawn projects like repairing bare spots. It’s a unique combination of Black Beauty® Ultra Grass Seed, Organic Lawn Fertilizer, MAG-I-CAL, Love Your Soil, and Green-Mulch. It can be used in both sun and shade. Plus, it contains SOIL-enhancing foods and produces 20% more grass seed and coverage than other brands making it perfect for lawns that need some extra care and need to be able to stand up to environmental stresses.

  • Pasture Mixture

    is a mix of forage grass, tetraploid perennial ryegrass, Kentucky bluegrass, and clover and germinates in 10 – 20 days. It’s endophyte-free, making it safe for consumption by livestock and horses. It’s perfect if you’re seeding paddocks.

  • Blue Panther™ Mixture

    is a Kentucky Bluegrass blend that grows from a seed but looks like sod. When you want a thick, uniform lawn that uses seeds that sod growers use, choose Blue Panther™ Mixture.

  • Shady Nooks™ Mixture

    thrives in damp and dry shady areas. If your lawn has dense tree coverage, you can’t go wrong with this option. It’s enhanced with endophytes to prevent insect damage. The mixture blends hard fescue and Black Beauty Tall Fescues to produce a durable and unique grass for tricky, shady lawns.

  • Black Beauty® Sun & Shade Mixture

    is a blend of tall fescue, Kentucky bluegrass, and perennial ryegrass. It produces a lawn that thrives in sun and partial shade. It’s thick, dark-green look and adaptable nature makes it a popular grass seed option. The seeds are enhanced with endophytes that help it be resistant to insects.

  • Touch-Up™ Perennial Ryegrass

    should be used when you need to reseed bare spots in your lawn or want a “golf course quality” lawn with thick, durable grass. Its blend of three perennial ryegrasses is quick to germinate and holds up to wear and tear with its turf-like appearance.

  • Green-Mulch

    is a three-part, slow-release fertilizer that helps seeds sprout. This mulch helps prevent weed growth while being biodegradable and great to look at. Its unique, uniform particle size enables you to use a rotary spreader and ensures even distribution. It contains cellulose, corn fiber, and tackifier, which helps with prevent soil erosion.

Fertilizers by Season

  • Early Spring

    Use Green-Up Crabgrass Preventer to jumpstart green lawns and stop pesky crabgrass in its tracks. If you’re also planting seeds, use Green-Up Crabgrass Preventer Plus New Seedling Lawn Fertilizer.

  • Late Spring

    Use Green-Up Weed & Feed during the late spring to kill weeds and encourage strong grass growth.

  • Summer

    To keep soil healthy and activate microbes in it, use Mag-I-Cal Plus during the summer months.

  • Fall

    Before it gets too cold, use Winter Survival Lawn Food the right before planting new grass to help keep it alive during the long winter. Use in early fall for best results.

Organic Insect Control

Prevent and eliminate more than 100 insects like ants, ticks, and spiders with this patented blend of organic plant oils. It’s environmentally safe and uses scientific technology that mimics the natural defense that plants use to ward off pests. The oil in Organic Pest Control blocks a neural pathway called Octopamine that only exists in insects so you can be sure you’re not harming any fish, birds, or other animals when you use it.

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