SproutSmart
SproutSmart Intelligent Garden Sowing

Green Globe Improved · Artichoke

Zone 4b Save Garden

Planting Schedule

Add Green Globe Improved to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 18th
Last FrostMay 13th
Transplant / Direct Sow OutdoorsJul 8th
Harvest BeginsOct 6th
Harvest EndsSep 27th

Crop Details

Transplant Conditions: Wait until soil reaches 50°F and nights stay above 40°F before moving outdoors. Harden off for 7 days first.
TraitValue
Days to Maturity90
Sun RequirementsFull Sun
Growth HabitClumping
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)50
Min Night Temp (°F)40
Harden Off (days)7
Expert Note: Start indoors early (or direct sow where winters are mild) and transplant after the soil warms so young plants don’t stall before establishing a strong crown.