A. Knutson Potting mix Cuttings: I use composted manure mixed with sawdust to root cuttings in — it works great; don’t need rooting hormones. I use a 50:50 vermiculite/peat mix to start seeds Transplants and containers: 1/3 composted manure, 1/3 sandy loam, 1/3 peat moss   Articles Grow Delphiniums from Seed Container Gardening Recipes Garden Loam Potting Soil John Innes […]