Answer: Unfortunately, a mature lavender is not amenable to division. (It might be easier to move the mail box.) This plant is usually propagated by rooting tip cuttings. To do this, take a four inch branch tip, remove the foliage from the bottom half, apply rooting hormone to the bare stem, and stick it into clean, dampened, soilless potting mix. Cover the pot loosely with a clear plastic bag and set it in a bright location out of direct sun. Open the bag occasionally to allow for air exchange and to check for roots. Once well rooted, plant in the garden. Early summer is the time to try this.
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