| Management number | 214760426 | Release Date | 2026/04/12 | List Price | $24.00 | Model Number | 214760426 | ||
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Premium Turf, Garden & Landscape Fertilizer – Fast-Acting, Deep Green Formula Get the Ultimate Lawn & Garden Boost with DARK MATTER 21-0-0 Transform your lawn, garden, and landscape with DARK MATTER 21-0-0 Ammonium Sulfate, a high-performance nitrogen fertilizer designed to rapidly green up turf, nourish plants, and promote strong, healthy growth. Unlike standard ammonium sulfate, this premium-grade formula delivers an intense, long-lasting deep green without streaking or burning. Perfect for lawns, vegetable gardens, flower beds, shrubs, trees, and ornamental plants, this small-prill fertilizer ensures even coverage and quick absorption, giving your entire landscape professional-grade results. Whether you're growing lush grass, vibrant flowers, or nutrient-rich vegetables, DARK MATTER delivers the essential nitrogen and sulfur needed for strong root development, vigorous foliage, and enhanced plant health. Why Choose DARK MATTER? ✔ Fast-Acting, Long-Lasting Green-Up – High-quality ammonium sulfate delivers instant nitrogen to fuel rapid growth and vibrant color. ✔ Ultra-Fine Prill for Maximum Coverage – Ensures even distribution and consistent results with every application. ✔ Versatile Use – Perfect for lawns, vegetable gardens, flower beds, shrubs, trees, and ornamental plants. Application Instructions Lawn Application Rate: 3-4 lbs per 1,000 sq. ft. Frequency: Apply every 3-4 weeks or as needed. Watering: Water immediately after application for best results. ⚠ Avoid Application if heavy rain is expected within 24 hours. Application Rates for Gardens & Ornamental Plants 🌿 Vegetable Gardens & Flower Beds Rate: 0.5 - 1 lb per 100 sq. ft. Frequency: Every 3-4 weeks or as needed Application: Evenly spread and lightly work into the top 1-2 inches of soil, then water thoroughly 🌳 Shrubs & Trees Rate: 0.5 - 1 lb per inch of trunk diameter (applied around the drip line) Frequency: 2-3 times per growing season Application: Apply evenly under the canopy, keeping 6 inches away from the trunk 🌱 Potted Plants & Container Gardens Rate: 1 teaspoon per gallon of soil Frequency: Every 3-4 weeks Application: Mix into the topsoil and water immediately ✅ Best for nitrogen-loving plants like leafy greens (lettuce, kale, spinach), corn, tomatoes, and ornamental shrubs. ⚠ Avoid excessive use in fruiting plants during flowering, as too much nitrogen can promote foliage growth over fruit production. Storage & Warnings ⚠ May cause skin and eye irritation – Use gloves, eye protection, and a dust mask when handling. ⚠ Iron content may stain concrete, sidewalks, and driveways – Sweep any spills immediately. ⚠ Keep out of reach of children and pets. State Restrictions ❌ Not labeled for lawn use in: Florida, New Jersey, Maryland, Vermont, and New Hampshire. Approved for agricultural, ornamental, garden, and non-lawn landscape use where permitted. Always check local fertilizer regulations before application.
| Coverage | Up to 12,000 sq ft |
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| Item Form | Prill |
| Brand Name | Generic |
| Unit Count | 640.0 Ounce |
| Item Weight | 40 Pounds |
| Manufacturer | CE Outdoors |
| Mixing Ratio | 1:0:0 |
| Model Number | Dark Matter 18-0-0 |
| Target Species | plants, Lawn Grass, Flowers, Vegetables, Trees, Houseplants |
| Included Components | Dry Fertilizer |
| Specific Uses For Product | Plant Growth, Soil Conditioning |
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