Scotch Thistle (Onopordum acanthium)

Common names:
Give a thumbs up Scotch Thistle
Give a thumbs up Scotch Cotton Thistle
Give a thumbs up Heraldic Thistle

Botanical names:
Onopordum acanthium Accepted
Acanos spina Synonym
Acanthium onopordon Synonym
Carduus acanthium Synonym

General Plant Information (Edit)
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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Discussion Threads about this plant
Thread Title Last Reply Replies
Cactus and succulents chat by Baja_Costero Aug 24, 2019 8:56 PM 5,470
Thistle by Steve812 May 5, 2017 5:48 AM 24
mystery flowering plant seems out of place where found by Pegasys May 17, 2016 9:25 AM 6

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