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
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
Except for the dwarf perennials, most delphiniums need staking.
• Grow in fertile, well-drained soil in full sun to light shade, with shelter from strong winds.
• Plant in the spring and prepare the soil by 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
The Farmer’s Almanac