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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".
Camassias are The Art & Soul of Spring.
Camassia Horticultural Tips
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Miscellaneous Narcissi
Not to be overlooked, these varieties are in their own little group because they don't quite fit into any of the R.H.S. divisions.
All Narcissi tolerate a wide range of sunlight from full sun to semi-shade. Varieties with pink cups should be grown in areas of filtered sunlight. Narcissi prefer well-draining soil, hate to get wet feet and love to be fed with a 4-10-6 or 5-10-5 granular organic flower bulb fertilizer three times a year. Allow the foliage to thrive and die back naturally without braiding or premature removal. Bulb size: 12/14 cm, unless otherwise noted. Bloom time in a horticultural zone 5: March/April. Plant 6" deep and 6" apart. Horticultural zones 5-8. Height: 6" to 14", depending upon variety. Narcissus classification: Royal Horticultural Society Division 12.
Narcissi are The Art & Soul of Spring.
Narcissus Horticultural Tips Narcissus Forcing Tips
Miscellaneous Narcissi
Not to be overlooked, these varieties are in their own little group because they don't quite fit into any of the R.H.S. divisions.
All Narcissi tolerate a wide range of sunlight from full sun to semi-shade. Varieties with pink cups should be grown in areas of filtered sunlight. Narcissi prefer well-draining soil, hate to get wet feet and love to be fed with a 4-10-6 or 5-10-5 granular organic flower bulb fertilizer three times a year. Allow the foliage to thrive and die back naturally without braiding or premature removal. Bulb size: 12/14 cm, unless otherwise noted. Bloom time in a horticultural zone 5: March/April. Plant 6" deep and 6" apart. Horticultural zones 5-8. Height: 6" to 14", depending upon variety. Narcissus classification: Royal Horticultural Society Division 12.
Narcissi are The Art & Soul of Spring.
Narcissus Horticultural Tips Narcissus Forcing Tips