Plant DetailShow Menu

Iberis sempervirens

Common Name(s):

Phonetic Spelling
eye-BEER-is sem-per-VY-renz
Description

Good for accent areas borders, walkways, and rock gardens,  It works well in containers or over a rock wall.  Cut candytuft back severely at least every other year to ensure that it does not become tall and leggy; candytuft is actually a woody subshrub, but is often treated as a herbaceous perennial; this plant is occasionally damaged by deer.  Candytuft is drought tolerant, moderately salt-tolerant, deer and rabbit resistant.

It prefers sun to light shade tolerates a range of soil types provided there is good drainage. pH adaptable, easily transplanted, and relatively pest-free.    

Quick ID Hints:

  • Evergreen groundcover has small, flat, linear leaves
  • Covered with crowded white-flowered racemes in Spring
  • Flowers scissors-shaped; 4 free, clawed petals
  • Leaf scars on older twigs raised, prominent

Insects, Diseases, and Other Plant Problems:  Caterpillars, slugs and snails can be a problem.  Downey mildew, powdery mildew, fungal leaf spots, and rust occasionally occur.  Wet soils lead to crown rot.  Cold winters can cause leaves to get sun scorch.  

See this plant in the following landscape:
Cultivars / Varieties:
  • 'Alexander White'
  • 'Snow Cone'
  • 'Tahoe Improved'
Tags:
#white#evergreen#sun#showy flowers#drought tolerant#perennial#white flowers#light shade#container plant#wildlife plant#showy#nectar plant#salt tolerant#rabbit resistant#playground#cpp#edging#pest resistant#deer resistant#shiny#children's garden#groundcover#rock gardens#borders#spring interest#subshrub#rock walls#butterfly friendly#HS302
 
Cultivars / Varieties:
  • 'Alexander White'
  • 'Snow Cone'
  • 'Tahoe Improved'
Tags:
#white#evergreen#sun#showy flowers#drought tolerant#perennial#white flowers#light shade#container plant#wildlife plant#showy#nectar plant#salt tolerant#rabbit resistant#playground#cpp#edging#pest resistant#deer resistant#shiny#children's garden#groundcover#rock gardens#borders#spring interest#subshrub#rock walls#butterfly friendly#HS302
  • Attributes:
    Genus:
    Iberis
    Species:
    sempervirens
    Family:
    Brassicaceae
    Life Cycle:
    Perennial
    Woody
    Recommended Propagation Strategy:
    Leaf Cutting
    Seed
    Stem Cutting
    Country Or Region Of Origin:
    Europe
    Wildlife Value:
    Flowers attract butterflies and birds.
    Play Value:
    Attractive Flowers
    Attracts Pollinators
    Wildlife Food Source
    Dimensions:
    Height: 0 ft. 9 in. - 1 ft. 6 in.
    Width: 3 ft. 0 in. - 4 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Ground Cover
    Herbaceous Perennial
    Perennial
    Woody Plant Leaf Characteristics:
    Broadleaf Evergreen
    Habit/Form:
    Mounding
    Spreading
    Growth Rate:
    Medium
    Maintenance:
    Medium
    Texture:
    Fine
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Soil Texture:
    Clay
    Loam (Silt)
    Sand
    Soil pH:
    Acid (<6.0)
    Alkaline (>8.0)
    Neutral (6.0-8.0)
    Soil Drainage:
    Good Drainage
    Moist
    Available Space To Plant:
    3 feet-6 feet
    NC Region:
    Coastal
    Mountains
    Piedmont
    USDA Plant Hardiness Zone:
    3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
  • Fruit:
    Fruit Color:
    Brown/Copper
    Green
    Display/Harvest Time:
    Summer
    Fruit Type:
    Capsule
    Fruit Length:
    < 1 inch
    Fruit Description:
    The fruit is an orbicular-elliptic silicle, green maturing to brown, and 1/5".
  • Flowers:
    Flower Color:
    Pink
    White
    Flower Inflorescence:
    Raceme
    Flower Value To Gardener:
    Showy
    Flower Bloom Time:
    Spring
    Flower Shape:
    Cross
    Flower Petals:
    4-5 petals/rays
    Flower Size:
    1-3 inches
    Flower Description:
    Numerous small, white flowers of up to 2 in. clusters in March-May. Petals are scissor shaped or as a narrow "X" they are oblong-spatulate shape, clawed, with the outer 2 petals longer than the inner 2. Petals are 1-1.5 cm in diameter. Inflorescence a flat-topped, congested raceme, terminal, around 4-5 cm. Flowers can turn light pink as they get older.
  • Leaves:
    Woody Plant Leaf Characteristics:
    Broadleaf Evergreen
    Leaf Color:
    Green
    Leaf Feel:
    Leathery
    Smooth
    Leaf Type:
    Simple
    Leaf Arrangement:
    Alternate
    Leaf Shape:
    Linear
    Hairs Present:
    No
    Leaf Length:
    < 1 inch
    Leaf Width:
    < 1 inch
    Leaf Description:
    This leaf is 1/2"- 2" x 1/10"- 1/5", alternate, simple, linear-oblong, obtuse, shiny, leathery, entire, flat, and dark green.
  • Stem:
    Stem Is Aromatic:
    No
    Stem Description:
    Stems can root where they touch the ground. Older stems have leaf scars that are raised and prominent.
  • Landscape:
    Landscape Location:
    Recreational Play Area
    Rock Wall
    Walkways
    Landscape Theme:
    Butterfly Garden
    Children's Garden
    Rock Garden
    Design Feature:
    Accent
    Border
    Attracts:
    Butterflies
    Songbirds
    Resistance To Challenges:
    Deer
    Drought
    Rabbits
    Salt