Plant Habit: | Herb/Forb Shrub |
Life cycle: | Perennial |
Sun Requirements: | Full Sun Full Sun to Partial Shade Partial or Dappled Shade |
Water Preferences: | Mesic |
Minimum cold hardiness: | Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F) |
Maximum recommended zone: | Zone 10b |
Plant Height: | 3-4 feet |
Plant Spread: | 3-4 feet |
Leaves: | Fragrant |
Flowers: | Showy |
Flower Color: | Blue Other: dark violet-blue with deep indigo blue/nearly black calyces |
Bloom Size: | 2"-3" |
Flower Time: | Spring Late spring or early summer Summer Late summer or early fall Fall Late fall or early winter Other: Deadheading flowers ensures more flowering throughout the season. Said to bloom year-round in frost-free climates. |
Underground structures: | Rhizome |
Uses: | Suitable as Annual |
Wildlife Attractant: | Bees Butterflies Hummingbirds |
Resistances: | Deer Resistant Humidity tolerant Drought tolerant |
Propagation: Seeds: | Will not come true from seed |
Pollinators: | Moths and Butterflies Birds Bees |
Containers: | Suitable in 3 gallon or larger Needs excellent drainage in pots |
Miscellaneous: | Patent/Plant Breeders' Rights: PP27183 |
Awards and Recognitions: | Other: Best Pollinator-Friendly Annual by Smith Gardens trial gardens and Boerner Botanical Gardens in 2015. |
Parentage: | Costa Rica Blue x Black and Blue |
kytnbabe | On June 1, 2020 | Obtained plant Ordered plants from Romence Gardens. One survived through the 2020-21 winter. |
kytnbabe | On July 27, 2017 | Obtained plant Purchased 6 at Lowe's and gave 2 to Kerry Shea. |
carlysuko | On April 25, 2020 | Obtained plant Received from Almost Eden. Looks great as all their plants always do. |
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