This bulk seed starting mix is an all-purpose potting soil for professional and hobby growers everywhere. Use peat-basted seed starter soil to kick-start produce, herbs, flowers, cuttings…you name it! It’s particularly effective for starting perennial flowers and shrubs indoors before transplanting them outside.
PRO-MIX Organic Seed Starting Mix has a 6-1-2 NPK ratio, which is ideal for green, leafy growth and also makes a good fertilizer. MYCOACTIVE technology produces stronger roots to help plants resist transplant shock and general stress – and spur them to grow up to 20% larger than standard seed starting soil. The coco fiber maintains good moisture levels to prevent rotting.
A single application of PRO-MIX seedling starting soil will feed your plants for up to three months, offering the sustained nutrients they need at this early stage. It’s OMRI-listed for organic gardens and requires no additional mixing or preparation. Greenhouse Megastore sells PRO-MIX seed starting mix in bulk for high-volume growers and has free shipping on qualifying orders.
PRO-MIX Seed Starter Organic Mix Features:
- Formulated with quality all-natural horticultural ingredients for growing a wide range of plant species.
- Contains MYCOACTIVE technology with Mycorrhizae, an exclusive biological growth enhancer that promotes plant growth, root strength and stress resistance for increased yields.
- Provides easier plant care than standard mixes and results in improved seedling performance.
- Organic fertilizer that gradually feeds plants for up to three months.
- 16-quart loose fill bag
- NPK: 30-5-10
- OMRI-listed
Ingredients
- Canadian sphagnum peat moss
- Coir (coco fiber)
- Perlite
- Limestone
- Organic fertilizer
- Mycorrhizae – PTB297 Technology
Additional Information
Pro-Mix Potting Guide Calculator
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