True Lavender, Lavandula angustifolia is native to the Old World and is found from Cape Verde and the Canary Islands. The flowers may be blue, violet or lilac in the wild species. Lavenders flourish best in dry, well-drained, sandy or gravelly soils in full sun. We found out that pruning lavender has many benefits too! Happy DIY Home has put out a great article on lavender and we highly recommend reading the article for more information. 60-70 days. Open pollinated heirloom vegetable seeds.