Tanacetum vulgare
Tansy
Photo: Lienhard Schulz · CC BY-SA 3.0 · Source
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Description
Tansy (Tanacetum vulgare) blooms in late summer with bright yellow, knob‑shaped flower heads. It is valued in gardens as a natural plant tonic; its leaves can be used to prepare a liquid or brew to combat aphids and mites. The plant contains thujone and is not suitable for consumption.
Care instructions
Plant tansy in a sunny spot with relatively poor soil—otherwise it will grow aggressively over its rhizomes. Water only during prolonged dry periods. Cut it back close to the ground in late autumn. Harvest the leaves for liquid preparations between July and September. If you wish to keep it in a bed, confine it with a root barrier.
Companion planting
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