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SproutSmart Intelligent Garden Sowing

Blue Hyssop · Blue Hyssop

Zone 4a Save Garden

Planting Schedule

Add Blue Hyssop to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsApr 10th
Last FrostMay 15th
Transplant / Direct Sow OutdoorsJul 3rd
Harvest BeginsSep 16th
Harvest EndsSep 24th

Crop Details

Transplant Conditions: Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 7 days first.
TraitValue
Days to Maturity75
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)7
Expert Note: Start seeds indoors early, but transplant only after nights are reliably mild to avoid slow, weak growth.