Gardening Know How says to plant tarragon in areas with full sun for the best results. If growing the plant inside, place it under high-output T5 fluorescent, compact fluorescent, or high-intensity discharge plant-growing lights. For sturdier seedlings, stir the air around the seedlings with an oscillating fan for 2 hours each day. Take care when weeding tarragon, as it has a shallow root system that is easily damaged.Continue Reading
Tarragon prefers moist, well-drained, slightly alkaline soil, though it is hardy enough to tolerate dry environments. The height of a tarragon plant ranges from 12 to 36 inches. Common pests include white flies and spider mites.
According to Herb Gardening, although tarragon is known for its aroma, it has no smell until after the leaves or tops are harvested in the late summer when the oils concentrate. Used for seasoning, the leaves can be frozen or dried until needed.
French tarragon is a popular variety or tarragon used in gourmet dishes. It has smooth, dark green leaves. The Reader's Digest Handyman explains that French tarragon is more difficult to propagate since it can only be grown from cuttings or by division. Russian tarragon is a coarser plant. It has an earthy flavor and can be propagated from seeds. The seeds take from 10 to 14 days to germinate.Learn more about Outdoor Plants & Flowers