When should I plant Black Radish in Zone 1a?

Direct sow Black Radish outdoors around Apr 20. Expect first harvest around Jun 19.

What is the last frost date for Zone 1a?

The average last spring frost date for Zone 1a is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Black Radish in Zone 1a?

Yes. Black Radish needs 60 days to harvest. Zone 1a has a 95-day growing season, which is sufficient. You can plant up to 2 successions.

Growing Black Radish in Zone 1a

Zone 1a has harsh winters and a short growing season. Start Black Radish early indoors to maximize your harvest window. Viimane öökülm: May 25. Esimene öökülm: Aug 28.

Planting Calendar

Outdoor

Harvest

Apr 20Aug 28

Season: May 25 – Aug 28 (95 päeva) · Succession: plant every 2 weeks (up to 2x)

Tsoon1a

Viimane öökülmMay 25

Esimene öökülmAug 28

Hooaeg95 päeva

Saak60 päeva

PäikeTäispäike

When to Plant Black Radish in Zone 1a

Sow Seeds Outdoors: Apr 20

Direct sow Black Radish seeds outdoors around Apr 20. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm vahekaugus).

Harvest: Jun 19

First harvest approximately Jun 19 (~60 päeva from planting). Continue harvesting until first frost (Aug 28).

Fall Planting: Jul 24

For a fall harvest, plant Black Radish around Jul 24 (5 weeks before first frost).

Black 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 Garden Black Radish

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

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