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Scotch Thistle |
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Scotch Cotton Thistle |
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Heraldic Thistle |
Onopordum acanthium | Accepted |
Acanos spina | Synonym |
Acanthium onopordon | Synonym |
Carduus acanthium | Synonym |
Plant Habit: | Herb/Forb |
Life cycle: | Biennial |
Sun Requirements: | Full Sun |
Water Preferences: | Mesic Dry Mesic Dry |
Minimum cold hardiness: | Zone 3 -40 °C (-40 °F) to -37.2 °C (-35) |
Plant Height: | 36 - 96 inches |
Plant Spread: | 12 - 36 inches |
Leaves: | Other: Spines |
Fruit: | Edible to birds |
Flowers: | Showy |
Flower Color: | Purple Other: Dark pink to lavender |
Bloom Size: | 1"-2" 2"-3" |
Flower Time: | Late spring or early summer Summer |
Underground structures: | Taproot |
Uses: | Will Naturalize |
Wildlife Attractant: | Birds |
Resistances: | Deer Resistant |
Propagation: Seeds: | Self fertile |
Pollinators: | Self Bees |
Miscellaneous: | Tolerates poor soil |
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