Surface sow the seed . Keep moist not wet. Needs light to germinate, can take up to four weeks at 20C
By our calculations*, you should look at sowing Cleome about 35 days before your last frost date .
These estimates for how long Cleome takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 14 days | Min 8 days | Max 37 days (4)
Average 24 days | Min 18 days | Max 40 days (2)
Average days | Min days | Max days (0)
Our when to plant Cleome estimates are relative to your last frost date.
This plant is originally from the West Indies (Caribbean), and was brought over to the UK where it rose to popularity in 1817.
Spider flower, Mamang
Cleome hasslerana