Tarragon (French) in Zone 3a & 3b
Artemisia dracunculus
Yes, tarragon (French) grows in zones 3a and 3b. Set out nursery plants Jun 6–Jun 13.
When to plant tarragon (French) in zone 3b
Zones 3a and 3b share the same average frost dates, so this page covers both.
Method: Buy as a start: Buy as a nursery start and transplant outside. It's slow or unreliable from seed, so most gardeners skip seed-starting it entirely.
| Start indoors | Not started from seed; buy as a nursery start |
|---|---|
| Direct sow / transplant outside | Jun 6–Jun 13 |
| Estimated harvest | Aug 10–Aug 17 (~65 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 1.5-2.5 ft.
Plant alongside it in zone 3b
These go outside within two weeks of tarragon (French) in zone 3b, so one planting day can cover them.
- BasilJun 13–Jun 20
- BorageMay 30–Jun 6
- DillMay 23–May 30
- HyssopJun 6–Jun 13
- Lemon BalmJun 6–Jun 13
- Shiso (Perilla)Jun 6–Jun 13

True French tarragon is prized for its anise-like flavor, and it comes with a specific catch worth knowing before you buy: French tarragon is sterile and cannot be grown from seed at all. Anything sold as tarragon seed is the milder, less flavorful Russian tarragon instead.
How tarragon (French) fits zone 3's season
Zone 3b's frost-free window runs about 98 days, from May 30 to September 5. Tarragon (French) needs about 65 days from transplant to first harvest.
Tarragon (French) planting windows in every zone
Zone 3b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.
| Zone | Start indoors | Sow or plant out | Harvest |
|---|---|---|---|
| 3a & 3b (your zone) | Buy as a start | Jun 6–Jun 13 | Aug 10–Aug 17 |
| 4a & 4b | Buy as a start | May 22–May 29 | Jul 26–Aug 2 |
| 5a & 5b | Buy as a start | May 17–May 24 | Jul 21–Jul 28 |
| 6a & 6b | Buy as a start | May 2–May 9 | Jul 6–Jul 13 |
| 7a & 7b | Buy as a start | Apr 17–Apr 24 | Jun 21–Jun 28 |
| 8a & 8b | Buy as a start | Apr 1–Apr 8 | Jun 5–Jun 12 |
| 9a & 9b | Buy as a start | Feb 22–Mar 1 | Apr 28–May 5 |
| 10a & 10bSpring window | Buy as a start | Mar–Apr | ~65 days after transplanting |
| Fall window | Buy as a start | Oct–Nov | ~65 days after transplanting |
Harvest dates are about 65 days after the sow or plant-out date.
Good companions
No well-established companions for tarragon (French).
Where to buy tarragon starts
Tarragon (French) is almost always bought as a nursery start rather than seeded. Check a local nursery or garden center; we haven't vetted online start/plant suppliers yet.
As an Amazon Associate we earn from qualifying purchases. Some links on this page also go to other retailers we may earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a clear consensus of positive, independent reviews, or ones we bought and use ourselves. Each item on our gear page says which.
See it growing
Search YouTube for "growing tarragon (French)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 3b calendar · Plan your beds in the Garden Designer →

Pin this for later
Growing Tarragon (French) in USDA zone 3b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
Save to Pinterest