New and Unread Tree-Mails
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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 |
| 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 |
