QuestionsHow to growTrees and ShrubsPlantingLavender Compost 0 Vote Up Vote Down joe warde asked 16 years ago I have started (seed tray) Lavender Munstead and have about 60 germinated. They have appprox 3 sets of leaves after seed leaves. I’m about to pot on but not sure what compost i should use. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Lavender likes it well-drained … use a mix of soil and compost, half and half, and add some grit of coarse sand.Â