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A picture of a Cleome 'Helen Campbell'

Cleome 'Helen Campbell'

Cleome houtteana 'Helen Campbell'

Also known as

Spider Flower 'Helen Campbell'

Photo by Roosie (All rights reserved)

Full Sun
Moderate care
Moderate watering
Tender

10b

USDA zone

2°C

Minimum temperature

Expected size

Height
Spread

1.5m

Max

50cm

50cm

Min

10cm

1 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

More images of Cleome 'Helen Campbell'

A white Cleome hassleriana 'White Queen' flower on a plant
Some white Cleome hassleriana 'White Queen' flowers and green leaves at The Newt Somerset
Some white Cleome hassleriana 'White Queen' flowers and green leaves at The Newt Somerset

Cleome 'Helen Campbell' Overview

Cleome houtteana 'Helen Campbell' is a half-hardy annual cultivar that produces showy clusters of white flowers in summer which contrast attractively against the green foliage on hairy spiny stems. Commonly known as Spider Flower or Spider Plant, this species has been classified as Cleome spinosa and Cleome hassleriana and is still occasionally sold under these names as well as Cleome 'White Beauty' This species is part of the Royal Horticultural Society “Plants for Pollinators” initiative to showcase plants which support pollinator populations by providing ample amounts of nectar and/ or pollen. A great choice for encouraging pollinating insect wildlife into your garden!

Common problems with Cleome 'Helen Campbell'

How to harvest Cleome 'Helen Campbell'

Flowers can be cut for floral arrangements as required.

How to propagate Cleome 'Helen Campbell'

Seed

Sow indoors from Jan to April - Sow into 9cm pots or deep modular trays of pre-watered seed compost. These plants do not like their roots disturbed. Keep at 15-20C (60-68F) and keep moist. Germination should occur within 14 to 28 days. Grow on in cooler conditions, acclimatising plants before planting out after the last frosts. Space them 45cm (18") apart Direct sow outdoors in April or May - in a warm, sunny site with well drained soils. Thin seedlings to 5cm (2") apart and then again until a final spacing as above.

Special features of Cleome 'Helen Campbell'

Attractive flowers

Flowers are produced in clusters on large, spherical flowerheads with narrow petals and long, protruding stamens.

Attracts useful insects

Other uses of Cleome 'Helen Campbell'

These tall annuals make good additions to mixed flower borders adding architectural interest and a sub-tropical feel.