SproutSmart
SproutSmart Intelligent Garden Sowing

Whirlybird Series · Nasturtium

Zone 3b Save Garden

Planting Schedule

Add Whirlybird Series to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 19th
Transplant / Direct Sow OutdoorsMay 19th
Harvest BeginsJun 23rd
Harvest EndsSep 21st

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 32°F before moving outdoors.
TraitValue
Days to Maturity35
Sun RequirementsFull Sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)32
Harden Off (days)Not Required
Expert Note: Sow directly after frost and keep plants lightly watered—nasturtiums flower best with average fertility and good sun.