Daikon Radish in Zone 4a & 4b
Raphanus sativus
When to plant daikon radish in zone 4b
Zones 4a and 4b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Daikon Radish doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | May 15–May 22 |
| Estimated harvest | Jul 14–Jul 21 (~60 days after direct-sowing) |
Spacing: 4 per square foot (square-foot-gardening spacing). Mature height: 1-1.5 ft.
Daikon radish is a much larger, longer-rooted relative of the standard salad radish already covered on this site, different enough in growing needs to warrant its own profile rather than a variety note tacked onto the smaller root.
How daikon radish fits zone 4's season
Zone 4b's frost-free window runs about 128 days, from May 15 to September 20. Daikon Radish needs about 60 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Daikon Radish.
Where to buy daikon radish 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 daikon radish" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 4b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
Pin this for later
Growing Daikon Radish in USDA zone 4b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
Save to Pinterest