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Delphinium

Delphiniums are perennials grown for their showy spikes of colorful summer flowers in gorgeous shades of blue, pink, white, and purple. They are popular in cottage-style gardens and cutting gardens.

Delphiniums are a favorite of many gardeners, but can sometimes be a challenge. They prefer moist, cool summers and do not fare well in hot, dry weather. The plants also dislike sudden wind or rain.

Except for the dwarf perennials, most delphiniums need staking.

Varieties currently growing:
Astolat Pink
Avalon
Blue Bird
Blue Jay
Centurion Lilac Blue 
Galahad White
Green Twist
Guardian Blue 
Guinevere
Highlander Flamenco
High Society Mix 
Magic Fountains Mix
Sky Blue
Summer Skies 

Pacific Giants Mix
Cottage Garden Mix

 

 

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Description

Grow in fertile, well-drained soil in full sun to light shade, with shelter from strong winds. Plant in the spring. Prepare the soil, mixing in 2 to 4 inches of compost.

Delphinium is a genus consisting of over 300 species—some are annuals, others are biennials or perennials. Some grow easily from seed, others don’t.

Dig a hole twice the diameter of the plant’s container. When planting, ensure that the top of the root ball is level with the soil.

In the spring, broadcast lime, wood ashes, or a mixture of the two over this alkaline-loving perennial.