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Named after two polar opposite colors of gemstones, onyx is in reference to its dark foliage and pearls refers to its soft lavender flowers with white interiors. From a distance, the flowers look white. Compared to 'Blackbeard', this is a taller, fuller plant with lighter colored flowers.
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Height: 3-3.5 Feet
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Spread: 2.5 Feet
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Hardiness Zones: 3-8
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Flower Color: White-Lavender shades
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Foliage Color: Near black shades
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Sunlight: Full Sun (> 6 hrs. Direct Sun)
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Water Requirements: Low-Average
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Soil Quality: Average-Fertile Soil Quality
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Bloomtime: Early-Mid Summer
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Attracts: Hummingbirds & Bees
- Salt Tolerant/Drought Tolerant
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Growth Rate: Medium
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