Question: what is the difference between john innes no 2 and 3?
Answer: There are several formulae, depending on the use of the compost: JI Seed Compost is for sowing seeds; JI Cutting Compost is for rooting cuttings; JI No 1 Potting Compost is for pricking out young plants; JI No 2 Potting Compost is for potting on; JI No 3 Potting Compost is for established plants and shrubs; and JI ...