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Rounding out our collection of dwarf delphiniums comes this floriferous new bicolor blue and white selection. Like ‘Summer Nights’, the flowers are vibrant deep blue but have a bright white center. It is the first-ever bicolor D. grandiflorum, a species that is more heat tolerant and has an earlier bloom time than other delphiniums.
Unlike the tall, spiky varieties, this little beauty forms a compact mound of well-branched foliage. ‘Summer Cloud’ is slightly more compact than others in the series. The bicolor blue and white flowers cover the lacy foliage from early through late summer.
Use this plant for edging, in containers, or as a bedding plant.
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Delphiniums thrive in the cooler climates of the north country, though they will grow as far south as zone 7. They grow best in rich, well-drained soil with a basic pH. If your soil is naturally acidic, adding lime will help to provide these conditions. They are also heavy feeders. The addition of compost or manure to the soil as well the use of granular fertilizer will result in healthier, stronger plants. Delphiniums can be grown in full sun or partial shade, though full sun may help to prevent powdery mildew. When planting, be sure to set the crown at or above soil level to avoid rot. Since their stems are hollow, taller varieties of Delphiniums should be staked to prevent damage from wind and rain. These new hybrids tend to be longer lived than their short-lived cousins but may be propagated from basal cuttings. |





