Cleome hassleriana
Spider Flower
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Spider Flower (Cleome hassleriana) - Description
Cleome hassleriana, commonly known as spider flower or spider plant, is a species of flowering plant in the genus Cleome of the family Cleomaceae, native to southern South America in Argentina, Paraguay, Uruguay, and southeast Brazil. It is an annual growing to a height of 150 cm (60 in), with spirally arranged leaves. The leaves are palmately compound, with five or seven leaflets, the leaflets up to 12 cm (5 in) long and 4 cm (2 in) broad and the leaf petiole up to 15 cm (6 in) long.
Spider Flower (Cleome hassleriana) - Blooming
Blooms 4-petaled flowers mostly in summer, especially well in heat.
Spider Flower (Cleome hassleriana) - Growth
Each established plant should have enough space to develop fully. Self-seeds regularly during warm weather conditions.
Spider Flower (Cleome hassleriana) - Planting
Seeds should be sown in spring in warm soil. Historically, Cleome seeds were difficult grow since most of the seeds simply would not germinate; however, more current and higher quality varieties of the plant should not have germination problems. Should also be used on the edge of a yard or near a fence, since it will self-sow prolifically.
Spider Flower (Cleome hassleriana) - Pest
Caterpillars, spider mites, aphids, and whiteflies. Other issues include rust and fungal spots. Powdery and downy mildew sometimes occur.
Spider Flower (Cleome hassleriana) - Interesting facts
Cleome is native to South America. It is best planted in areas away from children, due to its prickly spurs.
Spider Flower (Cleome hassleriana) - Soil and irrigation
Water regularly, and do not let the plants wilt. Soil should be free- draining and have a pH between 5.4 and 6.0. Prefers light, fertile, sandy soil.