Tanacetum vulgare
Tansy
Photo: Lienhard Schulz · CC BY-SA 3.0 · Source
This description was machine-translated.
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.
Soil & site
Soil pH
Soil type
loamy, sandy, humus-rich, well-drained, moist
Feeding
Light feeder
Companion planting
Good neighbors
carrot family (Apiaceae)
Calendula and Tagetes next to carrots keep the carrot fly away with their scent.
For example Carrotcelery rootDillParsleyCarrot fennelCoriander and 19 more species in the catalogue
Source: classic companion planting (DACH-Gartenpraxis)
Rather not
nightshade family (Solanaceae)
Sunflowers release substances into the soil that inhibit potato tuber growth, and they also compete for water and nutrients.
For example TomatoSweet pepperCocktail tomatoEggplantCape gooseberryChili and 8 more species in the catalogue
Source: basic crop-rotation rule
Companion planting is partly traditional gardening lore. Where the reason is known, it is given.
Some of these explanations were machine-translated.
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