I have a perennial English Lavender plant that I kept in a pot all summer. I was planning on keeping it in the house for the winter but I fear there may be beetles in the pot. We have not yet had a hard freeze and I was wondering if it is still safe (at this late date) to plant it in the ground.
Planting Perennials in the Fall
Certified GKH Gardening Expert
The last "safe" time to plant perennials is about a month before the first frost date in your region. Otherwise, the plant may not become established well and may die during the winter. If you do decide to plant it, it could benefit from winter protection. Some options are described in these articles: