Plant Habit: | Herb/Forb |
Life cycle: | Perennial |
Sun Requirements: | Full Sun |
Water Preferences: | Mesic Dry Mesic Dry |
Minimum cold hardiness: | Zone 3 -40 °C (-40 °F) to -37.2 °C (-35) |
Maximum recommended zone: | Zone 8b |
Plant Height: | 3.00 to 3.50 feet |
Plant Spread: | 1.50 to 2.00 feet |
Leaves: | Unusual foliage color Other: Thistle-like; gray-green |
Flowers: | Showy |
Flower Color: | Blue Other: Deep blue |
Bloom Size: | 1"-2" |
Flower Time: | Summer Late summer or early fall Other: Deadheading flowers ensures more flowering throughout the season. July - September. |
Underground structures: | Taproot |
Uses: | Cut Flower |
Wildlife Attractant: | Bees Butterflies |
Resistances: | Deer Resistant Rabbit Resistant Drought tolerant |
Pollinators: | Various insects |
Miscellaneous: | Tolerates poor soil With thorns/spines/prickles/teeth |
Awards and Recognitions: | RHS AGM |