Radish
Raphanus sativus
Also known as: Radish
One of the fastest vegetables from seed to harvest. Great for succession planting and interplanting with slower crops.
Growing Requirements
Planting Schedule
Direct Sow (Spring)
3–4 weeks before last frost
Fall Sow
4–6 weeks before first frost
Germination
3–7 days
Days to Harvest
22–35 days
Zone Suitability
USDA Hardiness Zones
Zones 2–11
Goes woody and pithy in heat. Best in cool weather. Succession sow every 2 weeks.
Companion Plants
Good Companions (12)
Carrot
Daucus carota subsp. sativus
Marks rows for slow carrots; loosens soil as radish is pulled
Confidence: High
Cucumber
Cucumis sativus
Trap crop for flea beetles that target cucumbers
Confidence: Medium
Lettuce
Lactuca sativa
Quick radish harvest makes room for maturing lettuce
Confidence: Medium
Spinach
Spinacia oleracea
Breaks soil crust for spinach; compatible cool-season crops
Confidence: Medium
Nasturtium
Tropaeolum majus
Both serve as trap crops; good pest-management companions
Confidence: Medium
Zucchini
Cucurbita pepo
Radish may deter squash vine borers as a trap crop
Confidence: Medium
Pumpkin
Cucurbita maxima
Radish may deter squash vine borers planted near squash hills
Confidence: Medium
Snap Pea
Pisum sativum var. macrocarpon
Quick radish harvest between pea rows; peas fix nitrogen
Confidence: Medium
Green Bean
Phaseolus vulgaris
Quick radish harvest between bean rows; compatible timing
Confidence: Medium
Pole Bean
Phaseolus vulgaris
Quick-harvesting radish fills space between bean rows
Confidence: Medium
Yellow Squash
Cucurbita pepo var. recticollis
May deter squash vine borers as a trap crop
Confidence: Medium
Watermelon
Citrullus lanatus
Quick-harvesting trap crop for flea beetles
Confidence: Medium