Also known as saltpeter, used to soften the coat of many seeds in order to expedite germination. Recommended for brassicas, eggplant, peppers, tomatoes, basil, endive, radicchio, and most flower seed. Comes in fine granular form. Dilute ½ tsp in 1 qt water. Use as a pre-soak for seed or to water seedling flats. 10g packet contains 2 tsp. Note: Not approved for certified-organic use.
3999
Potassium Nitrate (KNO3)
Additional Information
Germination Testing
For the latest results of our germination tests, please see the germination page.
Our Seeds are Non-GMO
All of our seeds are non-GMO, and free of neonicotinoids and fungicides. Fedco is one of the original companies to sign the Safe Seed Pledge.