delphinium elatum 'blue lace' (larkspur)

Size: 1 gallon

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  • sky-blue flowers with a lavender-pink flush and light eye
  • sturdy, upright stems with large, deeply divided, mid-green leaves
  • bred for their improved vigour and heat tolerance
  • bloom time: summer
  • the genus name 'delphinium' originates from the greek word delphis, for "dolphin", as the individual flowers resemble a dolphin's nose
  • zone 3
  • height 100-150cm
  • spread 50-60cm
  • colour blue
  • grows best in a fertile, well-drained, average to moist soil, in full sun
  • shelter from strong winds is recommended
  • may require staking when the plant is about 30-40 cm tall
  • when new shoots appear in spring, remove all but two or three of the strongest stems for good, quality, flower spikes
  • on more established plants, leave five to seven, strong shoots
  • deadheading may produce later blooms
  • delphinium can be short-lived (2-3 yrs), although the 'new millennium series' have been bred to withstand more heat and humidity and are cold-hardy
  • full sun, partial sun/shade
  • attracts butterflies
  • deer resistant
  • (image courtesy of NVK nurseries, NVK holdings inc.)