Daikon Radish in Zone 6a & 6b
Raphanus sativus
When to plant daikon radish in zone 6b
Zones 6a and 6b 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 | Apr 25–May 2 |
| Estimated harvest | Jun 24–Jul 1 (~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 6's season
Zone 6b's frost-free window runs about 173 days, from April 25 to October 15. 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 →
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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 6b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Daikon Radish in USDA zone 6b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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