About This Includes 12 Root Cuttings - Bocking-14 cultivar of comfrey is sterile and will not spread by seed Many Homestead uses! Use comfrey leaves as animal feed, Very high protein content up to 26%. Make your own plant fertilizer. Add to your compost pile. Fast & Easy to grow - planting instructions included with your order NPK ratio 1.8 / 0.5 /5.3. Dynamic Accumulator of iron, silicon, nitrogen, potassium, calcium, magnesium and many trace minerals Hardy Perennial, Grows Very Well From USDA Zone 2 - 9B Overview Indoor/Outdoor Usage : Outdoor Brand : Marsh Creek Farmstead Material Feature : Organic Color : Green Special Feature : Attracts Pollinators Expected Blooming Period : Summer to Fall Sunlight Exposure : Full Sun Unit Count : 12.0 Count Expected Planting Period : Plant any time the ground is workable. (not frozen) Product Care Instructions : Water Daily