| Plant Habit: | Herb/Forb |
| Life cycle: | Perennial |
| Sun Requirements: | Full Sun |
| Water Preferences: | Mesic |
| Minimum cold hardiness: | Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F) |
| Plant Height: | 30 - 36 inches |
| Plant Spread: | 24 inches |
| Leaves: | Fragrant |
| Flowers: | Showy Fragrant Other: Flower spikes are long, wide and very showy |
| Flower Color: | Purple Other: Deep violet-blue |
| Flower Time: | Late spring or early summer Summer Late summer or early fall Other: Deadheading faded flower spikes ensures more flowering throughout the season. |
| Suitable Locations: | Xeriscapic |
| Uses: | Cut Flower Dried Flower Will Naturalize Suitable as Annual |
| Wildlife Attractant: | Bees Butterflies Hummingbirds |
| Resistances: | Deer Resistant Rabbit Resistant Drought tolerant |
| Propagation: Seeds: | Can handle transplanting Other info: Good self-seeder |
| Propagation: Other methods: | Division |
| Containers: | Suitable in 3 gallon or larger Needs repotting every 2 to 3 years Needs excellent drainage in pots |
| Miscellaneous: | Patent/Plant Breeders' Rights: PP24,050 (2013); EU 38274 |
| Awards and Recognitions: | Other: "Too Good to Wait Performer" award at the 2013 Colorado State Perennial Trials |
| lordoctagon | On August 10, 2016 | Plant emerged I made two rookie mistakes with the Blue Boa: overfertilizing and insufficient drainage. It took a hit for sure, but after some aggressive pruning, it pulled through good as new. |
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