Sweet Annie (Artemisia) in Zone 2a & 2b
Artemisia annua
Yes, sweet annie (artemisia) grows in zones 2a and 2b. Start seeds indoors Apr 8–Apr 15 and plant out May 20–May 27.
When to plant sweet annie (artemisia) in zone 2b
Zones 2a and 2b share the same average frost dates, so this page covers both.
Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Either works.
| Start indoors | Apr 8–Apr 15 |
|---|---|
| Direct sow / transplant outside | May 20–May 27 |
| Estimated bloom | Aug 28–Sep 4 (~100 days after planting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 4-6 ft.
Plant alongside it in zone 2b
These go outside within two weeks of sweet annie (artemisia) in zone 2b, so one planting day can cover them.
- NasturtiumMay 27–Jun 3
- MarigoldMay 27–Jun 3
- African DaisyMay 20–May 27
- Amaranthus (Love-Lies-Bleeding)May 20–May 27
- Ammi (False Queen Anne's Lace)May 20–May 27
- Ammobium (Winged Everlasting)May 20–May 27
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 2's season
Zone 2b's frost-free window runs about 104 days, from May 20 to September 1. Sweet annie (artemisia) needs about 100 days from sowing to first bloom.
Sweet Annie (Artemisia) planting windows in every zone
Zone 2b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.
| Zone | Start indoors | Sow or plant out | Bloom |
|---|---|---|---|
| 2a & 2b (your zone) | Apr 8–Apr 15 | May 20–May 27 | Aug 28–Sep 4 |
| 3a & 3b | Apr 18–Apr 25 | May 30–Jun 6 | Sep 7–Sep 14 |
| 4a & 4b | Apr 3–Apr 10 | May 15–May 22 | Aug 23–Aug 30 |
| 5a & 5b | Mar 29–Apr 5 | May 10–May 17 | Aug 18–Aug 25 |
| 6a & 6b | Mar 14–Mar 21 | Apr 25–May 2 | Aug 3–Aug 10 |
| 7a & 7b | Feb 27–Mar 6 | Apr 10–Apr 17 | Jul 19–Jul 26 |
| 8a & 8b | Feb 11–Feb 18 | Mar 25–Apr 1 | Jul 3–Jul 10 |
| 9a & 9b | Jan 4–Jan 11 | Feb 15–Feb 22 | May 26–Jun 2 |
| 10a & 10b | Dec 19–Dec 26 | Jan 30–Feb 6 | May 10–May 17 |
| 11a & 11b | Nov 20–Nov 27 | Jan 1–Jan 8 | Apr 11–Apr 18 |
Bloom dates are about 100 days after the sow or plant-out date, not after starting seeds indoors.
Zone 2 sows before zone 3 here, which looks wrong and is not. USDA zones rank winter cold, not season length, and zone 2 is mostly interior Alaska, where hard winters come with warm summers. More on what a zone measures.
Good companions
No well-established companions for sweet annie (artemisia).
Where to buy sweet annie seeds
Botanical Interests (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 2b calendar · Plan your beds in the Garden Designer →
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Growing Sweet Annie (Artemisia) in USDA zone 2b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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