Not a grass (White Mock Orange)
Philadelphus coronarius (likely 'Virginalis' or similar double-flowered cultivar) · Deciduous woody shrub, Perennial
Grass Family
Hydrangeaceae (Hydrangea family) - Not a member of Poaceae
Grass Category
Ornamental Flowering Shrub
Variety / Cultivar
Double-flowered cultivar such as 'Virginal' or 'Snowbelle'
Hardiness Zones
USDA Zones 4 through 8; cold hardy; dormant in winter (drops leaves).
About This Grass
This is a woody shrub, not a grass. It features showy, bright white, double-petaled flowers with a sweet fragrance. The foliage consists of dark green, ovate leaves arranged oppositely on woody stems.
Blade Characteristics
Leaves are not grass blades; they are broad, ovate, approximately 2-4 inches long, with serrated margins and visible veins.
Root System
Spreading woody root system; lacks rhizomes or stolons typical of turfgrass; does not form thatch.
Growing Information
Origin Region
Southeastern Europe and Southwestern Asia; widely cultivated in temperate regions
Growth Habit
Woody, upright, arching shrub; non-spreading roots
Sunlight & Water Needs
Full sun to partial shade; prefers moist, well-drained soil; moderate drought tolerance once established.
Mowing & Maintenance
Not mown. Pruning required after flowering to maintain shape and promote next year's blooms. Maintenance level is low to medium.
Special Characteristics
Intensely fragrant flowers; used for privacy screening or ornamental borders; high resistance to most pests.
Ecological Information
Introduced ornamental; provides nectar for pollinators like bees and butterflies; provides nesting cover for birds.