Delphinium Jill Curley (Candle Larkspur)

Vigorous, award-winning Delphinium ‘Jill Curley’ (Candle Larkspur) is a tall, clump-forming, herbaceous perennial with spectacular spikes of extra large, 3 in. across (8 cm), semi-double, white flowers with a creamy-white eye. Blooming for weeks from early to midsummer, this striking Delphinium hybrid adds a wonderful architectural presence in the garden and draws attention from quite a distance.

Vigorous, award-winning Delphinium 'Jill Curley' (Candle Larkspur) is a tall, clump-forming, herbaceous perennial with spectacular spikes of extra large, 3 in. across (8 cm), semi-double, white flowers with a creamy-white eye. Blooming for weeks from early to midsummer, this striking Delphinium hybrid adds a wonderful architectural presence in the garden and draws attention from quite a distance. Rising from a low mound of deeply lobed, glossy, dark green leaves, it is ideal at the back of a mixed border or as a centerpiece to an island flower bed for a vertical accent. Splendid in cottage gardens.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society.
  • Grows up to 5-7 ft. tall (150-210 cm) and 1-2 ft. wide (30-60 cm). Will require staking.
  • Performs best in full sun in fertile, medium moisture, well-drained soils. Provide a sheltered location to protect your plants from strong winds.
  • Attractive to hummingbirds and butterflies, but ignored by deer and rabbits!
  • A welcomed addition to beds and borders, cottage gardens, or city gardens. For the best visual impact, plant your Delphiniums in groups. Excellent as cut flowers, they deserve a spot in your cutting garden.
  • Deadhead by cutting spent flower spikes back to small flowering side shoots. Cut down all growth to ground level after it has withered in autumn.
  • Apply a balanced liquid every couple of weeks in the growing season. For best flower spikes thin shoots when 7cm high to leave a minimum of 2-3 shoots on young plants and 5-7 shoots on established plants.
  • Propagate by taking pencil thick basal cuttings in early spring.
  • Keep an eye out for slugs, snails, leaf miners, caterpillars, powdery mildew, and crown rot.
  • All parts of the plant may cause severe discomfort if ingested.
  • Toxic to dogs, toxic to cats, toxic to horses. Poisoning is rare in humans, however, seeds and plants if ingested can lead to severe illness, paralysis, and even death.

Requirements

Hardiness 3
– 7

Heat Zones 3
– 8

Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A1, A2, A3
Plant Type Perennials
Plant Family Delphinium
Exposure Full Sun
Season of Interest Summer (Early,Mid)
Height 5'
– 7'
(150cm
– 210cm)
Spread 1'
– 2'
(30cm
– 60cm)
Spacing 24″ (60cm)
Water Needs Average
Maintenance Average
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Plant of Merit, Showy
Tolerance Deer, Rabbit
Attracts Butterflies, Hummingbirds
Garden Uses Beds and Borders
Garden Styles City and Courtyard, Cutting Garden, Informal and Cottage