SproutSmart
SproutSmart Intelligent Garden Sowing

Watermelon Radish· Radish

Planting Schedule

Add Watermelon Radish to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostJan 1st
Transplant / Direct Sow OutdoorsJan 1st
Harvest BeginsFeb 15th
Harvest EndsDec 31st

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 28°F before moving outdoors.
TraitValue
Days to Maturity45
Sun Requirements☀️ Full Sun
Growth HabitTaproot
Support NeededNone
Planting DepthNormal
Germination Temp (°F)55
Min Soil Temp (°F)40
Min Night Temp (°F)28
Harden Off (days)Not Required
Expert Note: Direct sow radishes in consistently moist soil and harvest before they get woody—sweetness and crispness fade as they mature.