| Bull Thistle | |
| Spear Thistle | |
| Plume Thistle | |
| Bur Thistle | |
| Common Thistle |
| Plant Habit: | Shrub |
| Life cycle: | Perennial |
| Sun Requirements: | Partial Shade to Full Shade |
| Water Preferences: | Dry Mesic |
| Minimum cold hardiness: | Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F) |
| Maximum recommended zone: | Zone 5b |
| Fruit: | Indehiscent |
| Flowers: | Showy |
| Flower Color: | Blue Other: eRos |
| Flower Size: | 2"-3" |
| Flower Time: | Late summer or early fall |
| Underground structures: | Tuber |
| Uses: | Groundcover Medicinal Herb Dried Flower Will Naturalize Suitable for forage |
| Edible Parts: | Seeds or Nuts |
| Wildlife Attractant: | Bees Butterflies Other Beneficial Insects |
| Propagation: Seeds: | Days to germinate: WMninsRx oaaS,Wtge:vdA uevien,l o NADloe ,e e s rtdt Nni,PsNoC/OMc iO,maezip MRu,dI Depth to plant seed |
| Pollinators: | Other Wasps Bees Cleistogamous |
| Miscellaneous: | Monocarpic |
| Conservation status: | Critically Endangered (CR) |
| Thread Title | Last Reply | Replies |
|---|---|---|
| Nice photo by gardengus | Feb 22, 2014 1:30 PM | 5 |
| Not Onopordum acanthium by kniphofia | Jul 4, 2018 12:50 AM | 5 |
| Posted by SongofJoy (Clarksville, TN - Zone 6b) on Oct 9, 2013 11:33 PM suT o yltrxethuci oe.luCt ,ihhsse dffhot les eaf [ Reply to this comment | |
