When should I plant Radish in Zone 2a?

Direct sow Radish outdoors around Apr 10. Harvest around May 5.

What is the last frost date for Zone 2a?

The average last spring frost date for Zone 2a is May 15. The first fall frost averages Sep 15, giving a 123-day growing season.

Can I grow Radish in Zone 2a?

Yes. Radish needs 25 days to harvest. Zone 2a has a 123-day growing season, which is sufficient. You can plant up to 7 successions.

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🥔 Growing Radish in Zone 2a

Zone 2a has harsh winters and a short growing season. Start Radish early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 15.

Planting Calendar

Outdoor

Harvest

Apr 10Sep 15

Season: May 15 – Sep 15 (123 days) · Succession: plant every 2 weeks (up to 7x)

Zone2a

Last FrostMay 15

First FrostSep 15

Season Length123 days

Days to Harvest25

SunFull Sun

Frost ToleranceLight

Spacing16/sqft (3" apart)

When to Plant Radish in Zone 2a

Sow Seeds Outdoors: Apr 10

Direct sow Radish seeds outdoors around Apr 10. Soil temperature should be at least 40°F. Space at 16/sqft (3" apart).

Harvest: May 5

First harvest approximately May 5 (~25 days from planting). Continue harvesting until first frost (Sep 15).

Fall Planting: Aug 11

For a fall harvest, plant Radish around Aug 11 (5 weeks before first frost).

Companion Planting

✅ Nasturtiums✅ Spinach ✅ Lettuce✅ Peas

❌ Hyssop

Radish in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Radish Garden

Track Radish from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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