Yellow Spiderflower (Cleome lutea) is a light-loving annual forb or herb that thrives in full sun and adapts to various soil types, from dry to moist conditions, with a preference for sandy or medium-textured soils. Native to the Cape Provinces of South Africa and Namibia, it has also naturalized in parts of North America including California, Colorado, Idaho, Montana, and Mexico Northwest. Known for its edible leaves, shoots, and seeds, this plant can grow up to 1.2 meters tall and is hardy in zones 3-8. Its distinctive feature includes spider-like flowers that are yellow in color, making it a notable ornamental addition to gardens despite its primary use as an edible plant.
Yellow Spiderflower (Cleome lutea) is a light-loving annual forb or herb that thrives in full sun and adapts to various soil types, from dry to moist conditions, with a preference for sandy or medium-textured soils.
Traditionally used for topical & skin, digestion. Each claim is evidence-rated — see Section II for full citations.
The mechanism by which Yellow Spiderflower supports skin health is not fully characterised but may involve anti-inflammatory compounds that help soothe the skin.
The mechanism by which Yellow Spiderflower supports digestion is not fully characterised but may involve compounds that interact with gut motility and reduce inflammation.
Start with Yellow Spiderflower as an easy-to-grow annual for beginners.
Seeds, a small trowel or scoop, and a watering can.
Plant in spring after the last frost, when soil temperatures are warm.
Choose a spot with full sun. Ensure the soil is well-draining and loose.
Direct sow seeds 1 cm deep and 30-45 cm apart, or start indoors 2-3 weeks before planting outside.
Water regularly to keep the soil moist until germination. Thin seedlings to about 30 cm apart once they have several leaves.
Provide consistent watering, especially during dry spells. Deadhead spent flowers to encourage more blooms and prevent self-seeding.
Prune back the plant if it becomes leggy or after flowering to promote a bushier growth habit.
Overwatering, planting in heavy soil, neglecting to deadhead spent flowers.
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