⚠️
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Submit a photoDalmatian Toadflax
Linaria dalmatica
⚠️ NOXIOUS — a related invader from the Balkans, taller than Yellow Toadflax (up to 1 m) with broad heart-shaped blue-green leaves clasping the stem and larger yellow snapdragon flowers. One plant produces 500,000+ seeds; creeping rhizomes extend 3+ m. A serious rangeland threat across southern Alberta.
Quick Facts
Distribution
Southern & Central Alberta rangeland
Light
Full sun
Bloom Time
June–Aug
Soil
Dry, rocky, or sandy rangeland
Water
Low
Use Caution— Mildly toxic glycosides
Growing & Cultivation
Propagation
DO NOT PROPAGATE. Control: herbicide; biological control stem weevils (Mecinus janthiniformis) effective.