Botanical Name: Impatiens hawkeri 'Petticoat® White Wonder’

Common Name: New Guinea Impatiens

Hardiness Zone: Grown as an Annual in Most Climates (Perennial in USDA Zones 10–11)

Size: 12–18" Tall × 14–20" Spread

Growth Habit: Upright, Mounded, Well-Branched Habit

Sunlight: Partial Shade to Bright Shade (Tolerates Morning Sun)

Soil: Rich, Well-Drained Soil

Water Needs: Moderate; Prefers Consistent Moisture

Bloom Season: Late Spring through Frost

Fertilizer: Light, Regular Feeding for Best Performance

Features: Large Ruffled Pure-White Blooms, Glossy Green Foliage, Elegant Texture, Excellent Shade Performance

Uses: Shade Containers, Hanging Baskets, Borders, Mass Plantings, Covered Patios

Patent: ✔ Patented

Propagation: ❌ Propagation Prohibited Without License

See our complete New Guinea Impatiens Plant Guidefor full care details.

More About New Guinea Impatiens Petticoat® ‘White Wonder’

New Guinea Impatiens Petticoat® ‘White Wonder’ brings exceptional brightness and sophistication to shaded landscapes with its large, pure-white blooms and uniquely ruffled petals. The frilled flowers create a soft, layered appearance that adds texture and elegance to containers, hanging baskets, and garden beds. Set against glossy green foliage, the brilliant white blooms stand out beautifully, illuminating shaded spaces where lighter colors can have the greatest impact.

Its well-branched, mounded habit provides excellent coverage and season-long appeal. Flowering continuously from Spring until frost, ‘White Wonder’ delivers reliable color and a polished appearance throughout the growing season. Whether used as a focal point or blended with other shade-loving annuals, its crisp white flowers bring a sense of freshness and balance to any planting design.

Why We Like It (Our Trials)

In our trials, ‘White Wonder’ has consistently proven to be vigorous, uniform, and exceptionally floriferous. Plants establish quickly, fill containers evenly, and maintain healthy, attractive foliage throughout the season. With regular moisture and bright shade or filtered sunlight, flowering remains steady even during the warmest months of summer.

We especially appreciate the versatility that white flowers bring to garden design. The luminous blooms pair effortlessly with virtually any color palette while helping brighten darker corners of the landscape. Combined with the distinctive ruffled flower form of the Petticoat® series, ‘White Wonder’ offers a level of texture and refinement that makes it equally effective as a focal plant or an elegant companion in mixed plantings.

Petticoat® White Wonder vs. Other Impatiens

‘White Wonder’ is the brightest and cleanest option in the Petticoat® Series, using crisp white blooms to maximize contrast against the dark foliage. Compared to Dark Red and Red Star, it feels lighter and more elegant, particularly in shaded spaces where white flowers help illuminate darker corners. The white blooms also highlight the foliage itself, making the dark leaves part of the visual feature rather than just a backdrop.

Against Sonic® varieties, ‘White Wonder’ offers stronger contrast but slightly less overall color saturation. It shines in refined containers, formal shade gardens, and combinations where balance is more important than intensity. Petticoat® ‘White Wonder’ is a natural fit for brightening shaded spaces while keeping plantings refined and visually clean.