Rover

Radish

Zone 9b Save Garden

🌱 25d to harvest Taproot

Sweetly peppered and crisp as fresh-cut glass, Rover radishes arrive in just 25 days with a clean, bright bite and a tender, juic…

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Feb 9th
Transplant / Sow Outdoors	Feb 9th
Harvest Begins	Mar 6th
Harvest Ends	Dec 9th

Crop Details

Trait	Value
Days to Maturity	25
Sun Requirements	Full Sun
Growth Habit	Taproot
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	60
Min Soil Temp (°F)	40
Min Night Temp (°F)	35
Harden Off (days)	Not Required

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Frequently Asked Questions

What pest or disease is most common for Raphanus sativus (daikon-style radish) and how can I stop it?

Watch for flea beetles, which chew tiny holes in Brassicaceae leaves and can stunt young radish growth. Use floating row cover immediately after sowing and keep it on until plants are well established; for visible damage, spray spinosad or insecticidal soap in the evening and repeat as needed. If you see black, mushy roots with foul odor, remove affected plants and avoid wet, stagnant soil that encourages fungal root rot.

How often should I water Raphanus sativus during its 25-day growing phase?

Keep the soil evenly moist but not waterlogged—aim for consistent moisture from germination through bulbing so roots form crisp, not woody. In full sun, this usually means watering about 1–2 times per week with enough water to wet 6–8 inches, but increase frequency during hot, drying weather. If the soil swings between dry and soaked, radish roots are more likely to become hollow or pithy.

How do I tell when Raphanus sativus is ready to harvest?

Harvest at about 25 days from sowing, or sooner when the root shoulders are fully filled and reach the expected size for your seed packet. Gently lift one plant to check—roots that feel firm and show good color at the surface are ready, while overlong delays can make roots fibrous. Harvest promptly in cool weather because mature radishes can turn tougher quickly.

Sweetly peppered and crisp as fresh-cut glass, Rover radishes arrive in just 25 days with a clean, bright bite and a tender, juicy snap. Their smooth, uniform roots develop a vivid red crown over a creamy white shoulder, staying pleasantly mild for salad use and delivering a satisfying crunch straight from the garden. Grow Rover for quick, reliable harvests and a colorful, refreshing addition to your spring radish bowl—ideal for fresh eating and quick pickling.

Sowing Tips

Transplant Conditions

Wait until soil reaches 40°F and nights stay above 35°F before moving outdoors.

Expert Note

For the mildest flavor and best root shape, sow radish seed in consistently cool conditions and avoid heat stress (they bolt in warm weather).