- Description
- Additional information
Description
Striking globe-shaped steel-blue flowers steal the show when in bloom; may need staking; not an invasive type of thistle, good for attracting pollinators; do not over-fertilize; soil must be well-drained
Additional information
| Plant Form | upright spreading |
|---|---|
| Hardiness Zone | 3 |
| Grow Height | 3 feet (4 feet with the flowers) |
| Grow Spread | 24 inches |
| SunLight Requirement | full sun |
| Moisture Requirement | dry to average |
| Flowering Period | from mid summer to early fall |
| Wildlife Attraction | butterflies |
| Fall Color | |
| Landscape Application | Massing;Garden;Naturalizing |