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When to Plant Daikon in Maine

Daikon is a large, mild Japanese radish that can grow over a foot long. It is excellent for pickling, stir-fries, and as a soil-breaking cover crop.

Maine spans USDA hardiness zones 3b, 4a, 4b, 5a, 5b (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

Click your county for exact Daikon planting dates based on your local frost dates.

Hover over a county to see details. Click to view planting guide.

Daikon Planting Calendar for Maine

Zone 3b ~135 day growing season · Full guide →

Last frost: May 10 · First frost: September 22 · 135 day season

Activity When Date Range
Direct Sow May 3 May 3 – May 24
Harvest June 28 Jun 28 – Jul 26
Fall Sowing June 30 Jun 30 – Jul 14
Zone 4a ~145 day growing season · Full guide →

Last frost: May 6 · First frost: September 28 · 145 day season

Activity When Date Range
Direct Sow April 29 Apr 29 – May 20
Harvest June 24 Jun 24 – Jul 22
Fall Sowing July 6 Jul 6 – Jul 20
Zone 4b ~155 day growing season · Full guide →

Last frost: May 1 · First frost: October 3 · 155 day season

Activity When Date Range
Direct Sow April 24 Apr 24 – May 15
Harvest June 19 Jun 19 – Jul 17
Fall Sowing July 11 Jul 11 – Jul 25
Zone 5a ~166 day growing season · Full guide →

Last frost: April 25 · First frost: October 8 · 166 day season

Activity When Date Range
Direct Sow April 11 Apr 11 – May 2
Harvest June 6 Jun 6 – Jul 4
Fall Sowing July 30 Jul 30 – Aug 13
Zone 5b ~178 day growing season · Full guide →

Last frost: April 18 · First frost: October 13 · 178 day season

Activity When Date Range
Direct Sow April 4 Apr 4 – Apr 25
Harvest May 30 May 30 – Jun 27
Fall Sowing August 4 Aug 4 – Aug 18

Growing Tips for Maine

Direct sow in late summer for fall harvest. Loosen soil deeply before planting. Thin seedlings to 6 inches apart. Harvest before hard freeze as exposed shoulders may crack.

Frequently Asked Questions

When should I plant Daikon in Maine?

Planting dates for Daikon in Maine depend on your USDA zone. Maine spans zones 3b, 4a, 4b, 5a, 5b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Maine for planting?

Maine contains USDA hardiness zones 3b, 4a, 4b, 5a, 5b. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.