Iberis sempervirens (Candytuft)


Michael's Opinion

Although considered by many to be perennial I have included it here under evergreen shrubs because it can have a strong presence in the garden through the winter months.

Botanical Information

FamilyBrassicaceae
GenusIberis
Speciessempervirens
CategoryPerennials, Woody
TypeShrub (evergreen)
OriginFound in Southern Europe in 1731.
Pronunciation

Details

USDA Hardiness Zone 4-8
USDA Hardiness Ref.
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-35 -20
Temperature (°F)-31 - 67
Height15-30 cm
Spread15-45 cm
GrowthMedium
Flowering PeriodApril, May

Description and Growing Information

General DescriptionShort evergreen, white flowers slightly pink at times, dark green foliage. Trimmed plant is much more compact.
ID CharacteristicSmall spreading evergreen, white flowers, groundcover, likes well-drained soils and full sun.
ShapeSmall spreading evergreen perennial, with a compact dense form; mound shaped growth.
LandscapeThis plant is typically used as a groundcover. Excellent for use as edging. Forming a dense mat of foliage and white spring blooms. It can be sheared to promote a dense compact habit!
PropagationMost common propagation method is by seed. Fleshy cuttings can also be used.
CultivationGrows in full sun and well drained soils, can withstand defoliation and cold temperatures.
PestsClub root, damping off, powdery mildew and white rust.
Notable SpecimensThe A.M. Cuddy Gardens, Strathroy, Ontario, Canada. The Royal Botanical Gardens, Burlington, Ontario, Canada.
HabitatNative to Southern Europe and Western Asia.
Bark/Stem DescriptionDark green and fleshy when young, turning semi-woody and brown with age; many branched.
Flower/Leaf Bud DescriptionSlender, obuvate, 6-12 mm.
Leaf DescriptionGlossy dark green, linear shaped, alternate pattern, in harsher winter climates leaves may have a lighter colour.
Flower DescriptionSmall perfect white flowers with four petals, not very showy. 2.5-3.75 cm umbels, when in bloom, they engulf the plant giving it the look of snow.
Fruit DescriptionFruits are small and slender, unattractive, usually sheared off to promote compactness in the plant.
Colour DescriptionDark green foliage that has a waxy coating. Flowers are pure white in bloom, sometimes turning pink with age.
Texture DescriptionHerbaceous waxy green stem turning woody-brown with age.

Photographs