CLEOME hassleriana
(CLEOME spinosa)

Spider Flower



Height: 3' (1m)
Flowering Time: Summer
Flower Colour: White, pink, mauve

Botanical Classification:


Angiospermae (Angiosperms)
Subclass: Dicotyledonae (Dicotyledons)
Superorder: Dilleniidae (Dillenia Superorder)
Order: Capparales (Caper Order)
Family: Capparidaceae (Caper Family)
Genus: Cleome (Spider Flower)
Species: hassleriana (Hassler's) (spinosa=prickly)

Cleome hassleriana is an impressive annual, reaching three feet high or more. It has slightly spiny stems and divided pointed leaves, topped by heads of narrow, spiky flowers in white or shades of mauve and pink, which are scented.


Harvesting and Growing from Seed:

Seed Pod

Each spiky flower produces a seedpod. The seedpods are long thin pods like a tiny beanpods.


Seeds are little greenish-brown commas, like miniature snails. There are many seeds in a pod.


The seedling is sturdy, with spoonshaped seedleaves. The first true leaves are lobed like those of the adult plant.

Seed sowing and Germination

Spring: Seeds sown outside in spring germinated in 28-45 days.
Winter: Seeds sown outside in winter germinated in 54 days.

(You can check the meaning of any technical terms new to you in the Botany section of the site)

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