When can I pick Carshalton Lavender? A When can I pick Carshalton Lavender? We hold an annual harvest in the last weekend of July, when you are welcome to come along and pick your own lavender. Take a look at our Harvest page for more information or email us at firstname.lastname@example.org to be put on our mailing list. Post Navigation ← Previous PostNext Post → Leave a Reply Cancel replyYou must be logged in to post a comment.