Seed Swaps


Cleome spinosa

  • 34 plantings
  • 7 for swap
  • 5 wanted
  • 60 stashed

Cleome is part of the Cleome genus. Its scientific name is Cleome spinosa. The botanical name epithet for Cleome (spinosa) means 'spiny'.

Blooms appear in these approximate colours:   Rose pink and   Floral white.

Cleome grows as an annual/perennial and is a flower. Being an annual / perennial plant, it tends to grow either as a single season plant, or a plant that can stay in your garden for many years.

Cleome is known for its erect habit and growing to a height of approximately 1.20 metres (3.90 feet). This plant tends to bloom in late spring.

Try planting Cleome if you'd like to attract butterflies to your garden.

Cleome is normally fairly low maintenance and is normally quite easy to grow, as long as a level of basic care is provided throughout the year. Being aware of the basic soil, sun and water preferences will result in a happier and healthier plant.

This plant info is provided by the myfolia gardener's wiki. All details about Cleome have been kindly provided by our members.

How to grow Cleome

  • Low

Remember to apply water fairly sparingly to Cleome. Cleome tends to grow best in a soil ph of between 6.6 and 7.5 meaning it does best in weakly acidic soil - weakly alkaline soil. Keep in mind when planting that Cleome is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside.

See our list of companion Plants for Cleome to see which plants you should plant in close proximity to encourage growth.

Growing Cleome from seed

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 .

Transplanting Cleome

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Cleome is a tender plant.

How long does Cleome take to grow?

These estimates for how long Cleome takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Start logging and journaling your observations to participate!

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

When should I plant Cleome?

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

Enter your frost dates and we'll calculate your sowing and planting dates for you!

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

Cleome Folklore & Trivia

This plant is originally from the West Indies (Caribbean), and was brought over to the UK where it rose to popularity in 1817.

Other names for Cleome

Spider flower, Mamang

Cleome hasslerana

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