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© Deeproot Plant Base
common name: Perfoliate Alexanders
full sun, part shade
moist soil, clay soil, sandy soil
preferred soil pH: any
minimum temp: -23°C
USDA zone: 6 to 10
Biennial with a tuberous taproot resembling a small turnip and tough stems, becoming woody with maturity. Toothed, perfoliate, mid-green leaves. Umbels of yellow flowers with yellow-green bracts, in April and May. Later produces small black seeds.
Moist, well drained soil in sun or part shade. Thrives in light deciduous woodlands.
Can become an invasive weed in favourable growing conditions.
Edible, with a celery like flavour. The seeds are sometimes used as a pepper substitute.
native to Southern Europe, South West Asia and North Africa. Sometimes naturalized in Britain, where it can threaten native bluebells, as they both grow in similar conditions.
Listed as potentially invasive in the UK (Wildlife and Countryside Act, Schedule 9)