Iberis sempervirens 'Alexander's White'

Alexander's White Candytuft

Iberis sempervirens ‘Alexander’s White’ is a compact evergreen perennial prized for its abundant pure white flower clusters that blanket the plant in spring. This candytuft forms a dense low mound of glossy dark green foliage that remains attractive year-round, with blooms often covering nearly the entire plant during peak flowering. Its crisp white flowers provide strong contrast in early-season plantings.

Type: Evergreen perennial
Mature Size: Width: 12–18 in · Height: 8–10 in
USDA Zones: 3a–8b

Form: Low, mounded, spreading

Light: Full sun

Soil: Well-drained soil; prefers average to lean soils

Water: Low to medium; drought tolerant once established

Wildlife: Attracts bees and butterflies

Features & Landscape Uses:
Excellent for edging, rock gardens, borders, slopes, and wall edges where early spring white bloom and evergreen foliage provide long-lasting structure. It performs especially well cascading over stone edges.

Care:
Plant in full sun with sharp drainage. Shear lightly after flowering to maintain compact form and encourage dense growth. Avoid poorly drained winter soils for best longevity.

Plant type

Perennial

Height

8-10"

Width

12-18"

Hardiness zones

3–8

Sunlight

Full Sun

Growth rate

Fast

Bloom time

Early Summer, Late Spring, Spring

Flower color

White

Leaf color

Dark Green

Fall color

Dark Green

Attracts

Butterflies

Soil

Average, Well Drained

Landscape use

Accent Plant, Border, Container, Mass Planting

Shape

Low Mounding, Spreading

Fragrant

Yes

Deer resistant

Yes

Salt tolerant

Yes

Drought tolerant

No