Organic True Comfrey Seeds: 1 gram, ~80 seeds: Non-GMO, Certified Organic Heirloom Seed Packet Packet: 1 gram, ~80 seeds. Comfrey seeds are highly viable. We do not offer replacements or refunds for failed germination. Non-GMO, Certified Organic Heirloom Variety Substantial foliage forms approximately 90 days after transplant. Perennial. Grows From Mid-Spring to Late Fall In Most Climates Plant Good Seed. Know the Source. Located in Ojai, California.