Radish

Radish

Raphanus sativus

Sow outdoors 3 weeks before your last spring frost. Space plants 2 in (5 cm) apart.

Photo: Self, en:User:Jengod, Public domain · source

When to plant

Timed from your frost dates, so it holds wherever you garden. Give yours and every step below becomes a date.

See the dates for your garden

Enter your average last spring frost and first fall frost. Every timing on this site turns into a calendar date. Not sure of yours? Your local extension service or a search for “last frost date” and your town will tell you; the app finds them from your location.

Last spring frost
First fall frost

Saved in this browser only. Nothing is sent anywhere.

Optimal Direct Sow

From seedRecommended
  1. Sow outdoors3 weeks before your last spring frost
  2. First harvestabout 28 days after sowing

Optimal Fall Direct Sow

From seed
  1. Sow outdoors7 weeks before your first fall frost
  2. First harvestabout 28 days after sowing

Growing radish

Spacing in the row
2 in (5 cm)
Between rows
10 in (25 cm)
Planting depth
1/2 inch
Sun
Full Sun
Life cycle
Annual

Fast crop; succession sow every 2 weeks.

Feeding

How often
At planting only. Fertile, well-prepared soil carries this fast crop; extra nitrogen grows leaves at the expense of roots.

Your radish, planned to the day.

Canopy turns these timings into dates from your own frost data, places every plant at its spacing on your garden map, and tracks it all the way to harvest.

Add radish to your planting calendar →

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