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Once established, this plant is drought tolerant and needs little care. Too much fertilizer will result in rank growth. In hot dry weather it could use water every few weeks. Good drainage is important, and adequate light. Prune to shape in early spring.
Can be direct sown outdoors in the fall, or after last frost in the spring.
Water deeply weekly during dry spells until established, at least for the first year.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Blue mist spiraea is a very hardy plant.These estimates for how long Blue mist spiraea takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Average 470 days | Min 29 days | Max 707 days (3)
Although Caryopteris is native to east Asia, this hybrid was accidentally discovered by Arthur Simmonds at Clandon in 19301.
This plant was the result an accidental cross between C. incana and the C mongholica. The seed parent is C mongholica.1
Blue spiraea, Bluebeard
Misspellings: Caryopteris x clanodensis