When growing lavender I mix peat free compost with some sharp sand and grit, My adding sand and grit you will make your compost much lighter and youll increate drainage. This will make your lavender Container Plants for Shade BBC Gardeners World Magazine When to Start Sowing Seeds: the Earliest Seeds to Start Indoors Planting Spring flowering Bulbs in Containers Water Saving 7 Spray Garden Hose Nozzle Air Plants Tillandsia araujei Purple star 3"