How to grow Cleome

Cleome spinosa

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.

Days to Germination How long does it take Cleome to germinate?: 14 days
Average 14 days | Min 8 days | Max 37 days (4)
Days to Transplant How long until I can plant out Cleome?: + 24 days
Average 24 days | Min 18 days | Max 40 days (2)
Days to Maturity How long until Cleome is ready for harvest / bloom?: + days
Average days | Min days | Max days (0)
Total Growing Days How long does it take to grow Cleome?: = days

Our when to plant Cleome estimates are relative to your last frost date.

When to sow The number of days to sow Cleome before or after your last frost date.: 35 days before 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