Camassia cusickii Zwanenburg

This 1969 C. cusickii sport is a deeper wisteria-blue than its parent C. cusickii. Zwanenburg is best grown in moist, fertile soil in full sun to partial sunlight. Unlike most bulbs, it prefers soil that has a bit more moisture. Deer- and rodent-resistant, C. cusickii forms ever substantive clusters of linear strappy foliage around upright racemes studded with dozens of six-petaled, 2", star-shaped pale wisteria-blue flowers with yellow anthers and whisper-green centers. The flowers open sequentially from the bottom to the top. Bulb size: 14 cm/up. Full to partial sunlight. Bloom time in horticultural zone 5: May/June. HZ: 4-8. Height: 24" to 30".

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