Purple Cow Seed Starter Mix is an OMRI Listed, living media containing beneficial biology and nutrients to get your plants off to a healthy start. Seed Starter Mix is a fine-textured blend that promotes rapid germination and vigorous seedlings. Our mix includes Purple Cow Compost, sphagnum peat, perlite, vermiculite, OMRI Listed granular fertilizer, and mineral complex. It is intended for seed starting in trays, blocks or small containers - balancing drainage and wicking action to keep roots moist.
Benefits of PCO Seed Starter Mix
- Increased germination
- Good seedling vigor
- Sturdy seedlings at transplanting
- Save money with less watering and fertility inputs
- More effective cultivation due to compact, healthy upright plants
- Crafted on our computerized blending line for consistent media every time
P.T. Bjerke, Supercharge! Foods
"We have tried every other seed starter out there but always come back to Purple Cow...nothing grows like Purple Cow."
Brad Wynne, VegOut Gardens
"I'm extremely pleased with how everything has done...I'm definitely using their Seed Starter for next growing season...used Purple Cow Seed Starter for the trays then their compost. I'm sold."
Harmony Valley Farm
"Of all the seed starters we've trialed over the years theirs has the best consistency as well as overall quality year after year."
Paul and Laura Phelps
"Purple Cow has been our exclusive seed starting mix for the past six years. Product consistency and performance more than exceed our expectations. We seed great seed germination and growth far beyond the suggested use."
"It is a proven winner that we openly recommend. Purple Cow, the knowledgeable team and the company's integrity and passion for soil are the best!"
How much material do I need?
A 1 cubic foot bag fills
288 cells - 11 flats
200 cells - 10 flats
128 cells - 7 flats
72 cells - 6 flats
50 cells - 5 flats
72 cells - 7 flats
38 cells - 6 flats
24 cells - 5 flats
A 2 cubic yard supersack fills
288 cells - 625 flats
200 cells - 540 flats
128 cells - 415 flats
72 cells - 330 flats
50 cells - 270 flats
72 cells - 415 flats
38 cells - 340 flats
24 cells - 225 flats
A 1 cubic foot bag is equivalent to 26 Quarts.
A 2 cubic yard supersack is equivalent to 1,404 Quarts.
There are 54 cubic feet in a 2 cubic yard supersack.
For 3" pots or larger we recommend using one of the other Purple Cow Organics' mixes.