⚠️
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Leucanthemum vulgare
⚠️ NOXIOUS — looks innocent but is a serious rangeland invader. A 30–80 cm European perennial with classic white-petaled yellow-centred daisy flowers. Often still sold in uninspected 'wildflower' seed mixes — do not plant. Forms dense monocultures in pastures, reduces forage quality, and produces 25,000+ long-lived seeds per plant. Do not confuse with the native showy asters or fleabanes.
Quick Facts
Distribution
Widespread across Alberta
Light
Full sun
Bloom Time
June–Aug
Soil
Adaptable — prefers disturbed pastures
Water
Low to moderate
Use Caution— Mildly toxic to livestock in large quantity; dogs/cats rarely eat enough to cause issues
Growing & Cultivation
Propagation
DO NOT PROPAGATE. Control: hand-pull small patches (whole root), mow before seed set, or herbicide for large infestations.