Vanhoutte Spirea, Bridal Wreath Spirea
Kingdom: Plantae; Division: Magnoliophyta; Class: Magnoliopsida; Order: Rosales; Family: Rosaceae; Genus: Spiraea; Species: Spiraea x vanhouttei · Rosaceae (Rose family) · Simple; Deciduous
Species
Spiraea x vanhouttei
Leaf Type
Simple; Deciduous
Family
Rosaceae (Rose family)
Shape
Rhombic to ovate; typically 3-5 lobed toward the apex
Size
0.75 to 1.5 inches long; 0.5 to 1 inch wide; small compared to many Rosaceae shrubs
Margin
Coarsely serrate or incised; often lobed specifically near the tip (apical half)
Arrangement
Alternate
Rarity
Very Common; one of the most popular ornamental landscape shrubs
Color & Pattern
Leathery dark blue-green to dull green on the upper surface; paler glaucous blue-green underneath; turns shades of orange-red or purple in late autumn
Venation Pattern
Pinnate; veins are subtle but visible on the underside
Texture & Surface
Smooth (glabrous) on both sides; somewhat leathery or firm texture
Description
A vase-shaped, fountain-like deciduous shrub reaching 5-8 feet. It produces arching branches that become completely covered in clusters of snow-white flowers in late spring. The foliage is distinctive for its bluish tint and diamond-like shape.
Key Features
Arching 'fountain' growth habit; small rhombic blue-green leaves with lobed tips; dense flat-topped clusters (umbels) of white 5-petaled flowers
Habitat
Full sun to partial shade; well-drained soils; adaptable to varied pH and urban conditions; commonly used in temperate gardens
Geographic Range
Hybrid origin (S. trilobata x S. cantoniensis) developed in France; widely naturalized and planted across North America, Europe, and Asia
Condition Notes
The specimen appears in excellent health. Flowers are in full bloom (anthesis); leaves show vibrant green color without signs of powdery mildew or aphid damage, which can sometimes affect the genus.
Interesting Facts
The genus name 'Spiraea' comes from the Greek word 'speira' meaning wreath. This specific hybrid is often called the 'Bridal Wreath' because its flexible, flower-heavy branches were historically woven into crowns for brides.
Medicinal & Uses
Primarily ornamental landscaping; used for hedges, screens, or foundation plantings. While closely related to plants containing salicylic acid (the precursor to aspirin), this hybrid is not typically used medicinally today.
Ecological Role
Provides nectar for early summer pollinators including butterflies and hoverflies; provides dense nesting cover for small birds; generally deer-resistant.
Similar Species
Spiraea trilobata (Three-lobed Spirea) which is smaller; Spiraea cantoniensis (Reeves Spirea) which has more lanceolate leaves; Spiraea prunifolia which has double blossoms.
Foraging Tips
Best identified in May or June when in full bloom. Look for the characteristic arching branches and small blue-green lobed leaves in older suburban neighborhoods or park borders.
Toxicity Warning
Non-toxic to humans and pets; however, like many Rosaceae, the seeds contain trace amounts of cyanogenic glycosides and should not be consumed in large quantities.