Lavatera (Annual Mallow) in Zone 2a & 2b
Lavatera trimestris
When to plant lavatera (annual mallow) in zone 2b
Zones 2a and 2b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Lavatera (Annual Mallow) doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | May 20–May 27 |
| Estimated bloom | Aug 18–Aug 25 (~90 days after direct-sowing) |
Spacing: about 4 square feet per plant (square-foot-gardening spacing). Mature height: 2-4 ft.
Lavatera is the annual mallow, and the one that flowers properly in its first summer.
How lavatera (annual mallow) fits zone 2's season
Zone 2b's frost-free window runs about 104 days, from May 20 to September 1. Lavatera (Annual Mallow) needs about 90 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Lavatera (Annual Mallow).
Where to buy lavatera seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing lavatera (annual mallow)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 2b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Lavatera (Annual Mallow) in USDA zone 2b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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