Sweet Annie (Artemisia) in Zone 5a & 5b
Artemisia annua
When to plant sweet annie (artemisia) in zone 5b
Zones 5a and 5b share the same average frost dates in our data, so this page covers both.
Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Sweet Annie (Artemisia) tolerates either.
| Start indoors | Mar 29–Apr 5 |
|---|---|
| Direct sow / transplant outside | May 10–May 17 |
| Estimated bloom | Aug 18–Aug 25 (~100 days after planting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 4-6 ft.
Sweet Annie is not the culinary tarragon already covered on this site, though the two share a genus. This one is grown for its sweetly aromatic, feathery foliage, a favorite for wreaths and as a fragrant filler in dried arrangements.
How sweet annie (artemisia) fits zone 5's season
Zone 5b's frost-free window runs about 148 days, from May 10 to October 5. Sweet Annie (Artemisia) needs about 100 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Sweet Annie (Artemisia).
Where to buy sweet annie seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing sweet annie (artemisia)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 5b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Sweet Annie (Artemisia) in USDA zone 5b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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