SproutSmart
SproutSmart Intelligent Garden Sowing

Siam Queen · Leaf Basil

Zone 3b Save Garden

Planting Schedule

Add Siam Queen to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMay 5th
Last FrostMay 19th
Transplant / Direct Sow OutdoorsJun 30th
Harvest BeginsAug 14th
Harvest EndsSep 21st

Crop Details

Transplant Conditions: Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 10 days first.
TraitValue
Days to Maturity45
Sun RequirementsFull Sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)10
Expert Note: For Thai basil, keep seedlings warm and transplant only after nights are consistently above 50°F to prevent stunting and boost leaf growth.