Iberis Summer Snowdrift

Pure 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.

Awards :

Colorado State University Outstanding Plants 2018

First-Year-Flowering Tool

Schedule this Variety

RESOURCES

Download a Culture Guide

Download a Benchcard

Get Hi-Res Photos

Videos

Iberis Summer Snowdrift - Sant Open House 2019

0:48

GENERAL INFORMATION

Scientific Name: Iberis hybrid

CommonName: Candytuft

Hardiness Zone: 6b - 9a

Hardiness Degree: 0°F (0°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

PROPAGATION

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.

FINISHING

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.

CROP SCHEDULING

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

Plant Protection

'Summer Snowdrift'

Protection Information : PP30,713

(Flowering Only License)

Breeder: Darwin Perennials