SproutSmart
SproutSmart Intelligent Garden Sowing

Red Giant Mustard · Mustard

Zone 3b Save Garden

Planting Schedule

Add Red Giant Mustard to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 19th
Transplant / Direct Sow OutdoorsMay 12th
Harvest BeginsJun 11th
Harvest EndsSep 21st

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 32°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity30
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)32
Harden Off (days)6
Expert Note: For best wasabi-like flavor, grow in cool weather and avoid hot spells—shade cloth can help if afternoons get too warm.