Mallow (High Mallow) in Zone 7a & 7b
Malva sylvestris
When to plant mallow (high mallow) in zone 7b
Zones 7a and 7b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Mallow (High Mallow) doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Apr 10–Apr 17 |
| Estimated bloom | Jul 29–Aug 5 (~110 days after direct-sowing) |
Spacing: about 4 square feet per plant (square-foot-gardening spacing). Mature height: 2-3 ft.
High mallow is a biennial, which puts it in a small group here: it occupies its square for two seasons and flowers in the second one.
How mallow (high mallow) fits zone 7's season
Zone 7b's frost-free window runs about 198 days, from April 10 to October 25. Mallow (High Mallow) needs about 110 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Mallow (High Mallow).
Where to buy mallow seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing mallow (high mallow)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 7b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Mallow (High Mallow) in USDA zone 7b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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