Harvesting & Storing French Tarragon
Harvest the leaves in early to midsummer when they contain the most essential oil. Use the leaves fresh or freeze them (see below) for later use.
Tarragon leaves can be frozen in airtight bags.
Steeping tarragon leaves in vinegar is another way to preserve it .
Drying: See How to Dry Herbs
Dried tarragon loses its potency, so you may have to use more than what is called for in recipes.Go to Gardening Information →