Mizuna in Zone 3a & 3b
Brassica rapa var. nipposinica
When to plant mizuna in zone 3b
Zones 3a and 3b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Mizuna doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | May 9–May 16 |
| Estimated harvest | Jun 18–Jun 25 (~40 days after direct-sowing) |
Spacing: 9 per square foot (square-foot-gardening spacing). Mature height: 0.5-1 ft.
Mizuna is a feathery-leaved Japanese mustard green prized for its mild, slightly peppery flavor and quick turnaround, one of the fastest crops you can put in a salad-garden bed.
How mizuna fits zone 3's season
Zone 3b's frost-free window runs about 98 days, from May 30 to September 5. Mizuna needs about 40 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Mizuna.
Where to buy mizuna seeds
See why we recommend these suppliers →
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 genuine consensus of positive, independent reviews. See the sources cited on each item.
See it growing
Search YouTube for "growing mizuna" 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 →
Pin this for later
Growing Mizuna in USDA zone 3b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
Save to Pinterest