Winter Radish

Radish

60d to harvest

Winter Radish offers a crisp, clean bite with a pleasantly peppery edge that mellows beautifully as the season cools. At maturity, the roots develop a firm, juicy texture and a striking, store-worthy presence—ideal for keeping on hand when fresh garden flavors are most welcome. Grow it for hearty winter salads, robust slaws, and boldly flavored pickles that showcase its bright radish character.

Crop Dates

Growing note: In frost-free Zone 11b, grow this cool-season crop during the cooler dry season (October–February).

Milestone	Date
Start Indoors	—
Climate	Frost-Free Climate
Transplant / Sow Outdoors	Oct 1st
Harvest Begins	Nov 30th
Harvest Ends	Feb 28th

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	55
Min Soil Temp (°F)	45
Min Night Temp (°F)	28
Harden Off (days)	Not Required

Frequently Asked Questions

What is the most common pest or disease problem for Raphanus sativus (winter radish), and how do I treat it?

A frequent issue is clubroot caused by soil-borne pathogens that deform and club the roots. To reduce risk, don’t plant brassicas in the same bed for several years, keep soil pH slightly higher with lime if your soil is acidic, and remove badly infected plants immediately to limit spread. For early prevention, incorporate clean compost and avoid overwatering, since consistently wet soil favors many root problems.

How often should I water winter radish during the main growing phase to keep roots developing well?

During active root bulking (roughly weeks 3–8 after sowing), keep the top 1–2 inches of soil evenly moist, not soggy. For most home gardens, that typically means watering about 1 inch per week total, split into 1–3 sessions depending on heat and rainfall. If the soil swings from dry to wet, roots can become fibrous or pithy—so water steadily, and mulch lightly to stabilize moisture.

How can I tell when my winter radish (Raphanus sativus) is ready to harvest?

Harvest when the roots have reached their intended size and feel firm—most winter radishes are ready around 55–65 days after sowing. Check the shoulder of a few plants by gently pulling back soil: the top should be well-filled with minimal taper. If leaves start yellowing heavily and the root is still small, harvest sooner rather than letting it linger through temperature spikes that can reduce tenderness.