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  • Iberis Summer Snowdrift Bloom
  • Iberis Summer Snowdrift Landscape

Iberis Summer Snowdrift

Scientific Name : Iberis hybrid
Common Name : Candytuft
Hardiness Zone : 6b - 9a
Hardiness Degree : 0°F (-18°C)
Blooming Season : Early Spring, Spring, Late Spring, Summer, Autumn, Late Summer
Plant Habit : Mounded
Characteristics : Frost Tolerant
Water : Medium
Fertilizer : Once a month
Spacing : 14 - 16" (36 - 41cm)
Height : 10 - 12" (25 - 30cm)
Width : 12 - 14" (30 - 36cm)
Exposure : Sun
General Information : This beautiful Summer Candytuft is a short-lived perennial plant in the South and wonderful addition to the annual garden in the North.
It will bloom from mid-Spring until late-Summer, requiring very little care.
Idea & Tips : Plants prefer a full-sun location but will tolerate part shade. Fertilize once per month with a balanced flowering plant food. 
Grower InformationPure white flowers have an extremely long flowering window for a longer selling season.
  • No vernalization needed for flowering.
  • Extend the Iberis selling window in the South.
  • Use as an alternative to Lobularia in mixed containers.
  • High heat tolerance.
  • Tender perennial in the South, great annual in the North.

Colorado State University Outstanding Plants

'Summer Snowdrift'
Protection InformationEU PBR56799; PP30,713
(Flowering Only License)
Breeder : Darwin Perennials
  • Propagation Guide
    • Media EC/pH:
      EC 0.75-0.80 mmhos/pH 5.8-6.2
      Soil Temperature:
      70-72°F (21-22°C)
      Rooting Hormone:
      500 ppm IBA
      Mist:
      Low to moderate
      Fertilization:
      50-75 ppm N when roots become visible
      Pinching:
      Recommended after roots are established. Leave active internodes.
      Transplanting:
      28-35 days after sticking
      Comments:
      Use low mist settings; do not oversaturate rooting media. Root zone temperatures of 70°F (21°C). Remove flowers in propagation. Cuttings typically arrive with flowers already induced due to cool night temperatures in Colombia. Non-induced cuttings require 6 weeks of night temperatures below 55°F (13°C) to flower.
    • Media pH:
      5.8-6.2
      Temperature:
      Nights: 45 to 55°F (7 to 13°C) Days: 55 to 65°F (13 to 18°C)
      Light Level (fc):
      3,000 to 5,000
      Vernalization:
      Cuttings supplied from Darwin Colombia receive enough cold to induce into flower, so growers will not need to vernalize.
      Daylength:
      Day length neutral
      Watering:
      Allow media to dry regularly between watering.
      Fertilization:
      Use a balanced fertilizer at a rate of 125 to 150 ppm.
      Pinch After Transplant:
      Recommended
      Plant Growth Regulators:
      PGRs generally not needed
      Pests and Fungal Diseases:
      May experience root rot diseases under poor growing conditions. Aphids.
    • 1–qt. (10–cm) pot, 1 plant per pot:
      Unrooted: 10-14 wks Rooted: 8-10 wks
      1–gal. (15–cm) pot, 1 plant per pot:
      Unrooted: 16-18 wks Rooted: 10-12 wks
      2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot:
      Unrooted: 19-22 wks Rooted: 12-14 wks
      Bloom Months:
      May to October

Download Culture Guide