Tips for Growing Mint Indoors Gardener's Path Want to grow lavender in containers? Here's how I do it: Use a large pot with good drainage and fill it with a well draining mixlavender hates soggy roots. Keep the container in Its harvest time for Ellagance Purple!, A little late as this is the second flush of blooms! I had trimmed this variety back several months ago and here we are almost rolling into August with Pros and Cons of 26 Different Indoor Plants