FERTILIZERS
Premium fertilizer solutions formulated to strengthen roots, encourage healthy growth, and deliver greener, more resilient lawns season after season.
Essential Nutrition for Every Stage of Growth
Fertilizers provide the nutrients lawns and landscapes need to thrive. From establishing new seed to maintaining mature turf, the right fertilizer supports strong root systems, consistent growth, and vibrant color. Rhino Seed offers a range of solutions designed for performance and ease of use, including PennMulch®, a premium pelleted mulch that enhances germination while delivering starter fertilizer and moisture retention in one application.
Fertilizer Products – Professional/ Specialty/ Sports Turf
All-Mineral Fertilizers (Balanced Nutrient Blends, General-purpose fertilizers for broad application across lawns and landscape areas.)
Micronized Organic (Fertilizer Organic-based fertilizer designed for long-lasting color and consistent feeding.)
Woodace Landscape & Nursery Fertilizers ( Specialty fertilizers designed for nurseries, trees, shrubs, and landscape beds.)
Combination Fertilizers (Dual-purpose products that combine fertilization with weed prevention or weed control.)
15-30-15 Super Starter
Coverage: Up to 15,000 sq. ft. per 50 lb. bag | Packaging: 40 per pallet | Product Code: FRSUPER
A professional starter fertilizer formulated to encourage rapid root establishment and early turf development. Features 20% slow-release nitrogen for steady feeding and long-lasting performance. SGN200.
Sports Turf Fertilizers
20-20-20 Plus Water Soluble Starter
Coverage: Up to 5,000 sq. ft. per 25 lb. bag | Packaging: 80/pallet | Product Code: FR202020WS
A balanced water-soluble starter fertilizer designed to support quick germination and healthy early growth. Ideal for newly seeded lawns, sports turf, and landscape applications.
Sports Turf Fertilizers
15-0-30 Professional Fertilizer (Zero Phosphorus)
Coverage: Up to 15,000 sq. ft. per 50 lb. bag | Packaging: 40/pallet | Product Code: FR15030PR
A premium fall fertilizer blend with high potassium content to promote turf durability and seasonal stress tolerance. Features 50% slow-release nitrogen, MOP/SOP, and 3% iron for improved color and performance. SGN200.
Sports Turf Fertilizers
25-0-15 Premium Fertilizer (Zero Phosphorus)
Coverage: Up to 12,500 sq. ft. per 50 lb. bag | Packaging: 40/pallet | Product Code: FR25015
Professional-grade fertilizer formulated with 50% slow-release nitrogen and SOP for consistent feeding and improved turf quality. Enhanced with 2% iron to support deep green color and healthy growth. SGN200.
Sports Turf Fertilizers
30-0-10 Professional Fertilizer (Zero Phosphorus)
Coverage: Up to 15,000 sq. ft. per 50 lb. bag | Packaging: 40/pallet | Product Code: FR30010
High-nitrogen fertilizer designed to promote vigorous turf growth and long-lasting color. Contains 50% slow-release nitrogen, MOP, and 2% iron for reliable seasonal performance. SGN200.
Sports Turf Fertilizers
12-12-12 All Purpose Fertilizer
Coverage: Up to 6,000 sq. ft. per 50 lb. bag | Packaging: 40/pallet | Product Code: FR121212
A balanced all-purpose fertilizer ideal for lawns, landscapes, gardens, and general turf applications. Promotes healthy root development, vigorous growth, and overall plant performance.
All-Mineral Fertilizers
19-19-19 All Purpose Fertilizer
Coverage: Up to 9,500 sq. ft. per 50 lb. bag | Packaging: 40/pallet | Product Code: FR191919
A nutrient-rich balanced fertilizer formulated to support strong growth, improved root development, and vibrant plant health across a variety of turf and landscape applications.
All-Mineral Fertilizers
6-24-24 All Purpose Fertilizer
Coverage: Up to 12,000 sq. ft. per 50 lb. bag | Packaging: 40/pallet | Product Code: FR062424
A high-phosphorus fertilizer blend designed to encourage root establishment and improve plant strength during seeding and early growth stages.
All-Mineral Fertilizers
Class A: 23-14-14
Application Rate: 228 lbs. per acre | Packaging: 40 per pallet | Size: 50 lb. bag
MDOT specification fertilizer formulated to deliver the correct nutrient rate per acre for roadside, erosion control, and commercial turf applications. Features 40% slow-release nitrogen for extended feeding.
MDOT Approved
Class B: 31-0-14
Application Rate: 120 lbs. per acre | Packaging: 40 per pallet | Size: 50 lb. bag | Order Type: Special Order
A professional MDOT specification fertilizer blend designed for commercial and roadside applications requiring zero phosphorus and consistent nutrient performance. Minimum 1 pallet order required.
MDOT Approved
Class C: 39-0-0
Application Rate: 80 lbs. per acre | Packaging: 40 per pallet | Size: 50 lb. bag | Order Type: Special Order
High-nitrogen MDOT specification fertilizer intended for professional turf and roadside applications requiring targeted nitrogen feeding. Minimum 1 pallet order required.
MDOT Approved
Milorganite Classic 6-2-0 with 4% Iron
Coverage: Up to 3,000 sq. ft. per 50 lb. bag | Packaging: 40 per pallet | Product Code: FRMIL
An economical organic fertilizer featuring granular biosolids for long-lasting feeding and improved turf color. Non-burning formula enhanced with 4% iron for greener, healthier lawns.
Micronized Organic
12-3-6 Acre Acidifying Fertilizer
Coverage: 6,000–12,000 sq. ft. per 50 lb. bag | Product Code: FR1236
A slow-release fertilizer with micronutrients designed for landscape and nursery applications requiring soil acidification and balanced plant nutrition.
Woodace Landscape & Nursery Fertilizers
14-14-14 Slow Release with Minors
Coverage: Up to 5,700 sq. ft. per 40 lb. bag | Product Code: FR141414
A balanced slow-release fertilizer formulated with micronutrients to support flowering plants, shrubs, and landscape installations with consistent nutrient availability.
Woodace Landscape & Nursery Fertilizers
22-0-5 with Dimension (Pre-emergent Crabgrass Preventer)
Coverage: Up to 12,500 sq. ft. per 50 lb. bag | Packaging: 40 per pallet | Product Code: FRCG2205
Combination fertilizer and pre-emergent formula designed to control crabgrass, annual grassy weeds, and select broadleaf weeds while feeding turf. Contains 20% slow-release nitrogen for extended performance. Recommended application timing: April through early May.
Combination Fertilizers
22-0-5 with Trimec Broadleaf Herbicide (Weed & Feed)
Coverage: Up to 12,500 sq. ft. per 50 lb. bag | Packaging: 40 per pallet | Product Code: FRWDFD2205
Professional weed and feed fertilizer formulated to control dandelions and other broadleaf weeds while promoting healthy turf growth. Features 50% slow-release nitrogen for consistent feeding and seasonal lawn performance. Recommended for spring and early fall applications.
Combination Fertilizers
21-22-4 with Mesotrione (Tenacity-based weed control blend)
Coverage: Up to 11,000 sq.ft per 50 lb. bag | Packaging: 40 per pallet | Product Code:FR21224 W/MESOTRIONE
Professional combination fertilizer formulated with .05 Mesotrione herbicide technology for seed-safe weed control and turf establishment. Designed to support new seeding projects while helping prevent unwanted weed growth during establishment.
Combination Fertilizers
PennMulch Seed Accelerator / Seed Establishment Mulch
PennMulch Seed Accelerator
Coverage:700–800 sq. ft. | Size: 40 lb bag | Pallet: 50 per pallet | Product Code: MLPENN40#
A premium pelletized paper mulch formulated with starter fertilizer and tackifier to improve germination and support faster, more uniform turf establishment. Contains moisture-holding polymers designed to retain water, enhance seed-to-soil contact, and protect newly seeded areas during early growth stages. Ideal for smaller jobs, spot repairs, hydroseeding applications, lawn renovations, overseeding, and new lawn installations.
Fertilizer FAQs
MDOT fertilizer is designed for highway, roadside, and large-scale specification compliance projects.
Starter fertilizers like 13-30-15 or 20-20-10 are best for establishing new turf.
NPK represents Nitrogen (N), Phosphorus (P), and Potassium (K), the three primary nutrients required for plant growth and included in fertilizer.
Fertilizer supplies essential nutrients like nitrogen, phosphorus, and potassium that promote healthy growth and strong roots.
Timing depends on your grass type, but most lawns benefit from applications in spring and fall.
PennMulch is a seed accelerator—a pelleted mulch with starter fertilizer and tackifier that helps retain moisture and improve seed germination.
Yes, using starter fertilizers or products like PennMulch is ideal when planting new seed.
When applied as directed, fertilizer is safe and effective without damaging your lawn.
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