Ammi (False Queen Anne's Lace) in Zone 3a & 3b
Ammi majus
When to plant ammi (false queen anne's lace) in zone 3b
Zones 3a and 3b 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. Ammi (False Queen Anne's Lace) tolerates either.
| Start indoors | Apr 25–May 2 |
|---|---|
| Direct sow / transplant outside | May 30–Jun 6 |
| Estimated bloom | Sep 7–Sep 14 (~100 days after planting) |
Spacing: 2 per square foot (square-foot-gardening spacing). Mature height: 3-4 ft.

Ammi looks so much like wild Queen Anne's lace that it's easy to mistake for the roadside weed, but it's grown deliberately here as an airy, lace-like cut flower, popular for softening a bouquet without competing with bolder blooms.
How ammi (false queen anne's lace) fits zone 3's season
Zone 3b's frost-free window runs about 98 days, from May 30 to September 5. Ammi (False Queen Anne's Lace) needs about 100 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Ammi (False Queen Anne's Lace).
Where to buy ammi seeds
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See it growing
Search YouTube for "growing ammi (false queen anne's lace)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 3b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

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Growing Ammi (False Queen Anne's Lace) in USDA zone 3b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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