
Smooth Hydrangea
Hydrangea Arborescens
A reliable and showy native shrub, the Smooth Hydrangea (Hydrangea arborescens) offers continuous blooms and a graceful presence in any garden setting.
Size
Installation
About this plant
Known for its large, rounded clusters of white or greenish-white flowers, the Smooth Hydrangea is a truly captivating addition to your landscape. Unlike some of its fussier cousins, this hardy native thrives with minimal intervention, making it a perfect choice for both novice and experienced gardeners seeking abundant blooms without the extra effort. From late spring through summer, these magnificent blossoms provide a beautiful contrast against its dark green foliage, adding a classic touch to borders, mass plantings, or as a stunning focal point. Its adaptable nature means it performs well in a variety of light conditions, though it truly shines in partial shade, where its blooms last longest. Beyond its aesthetic appeal, the Smooth Hydrangea also plays a vital role in supporting local ecosystems, providing valuable nourishment for pollinators and contributing to the biodiversity of your garden all season long.
Care & maintenance
Smooth Hydrangeas are generally low-maintenance. Prune in late winter or early spring to encourage new growth and more abundant flowering, as it blooms on new wood. Remove spent flowers to keep the plant looking tidy, though this is not strictly necessary for reblooming. A layer of mulch helps retain soil moisture and regulate temperature.
Quick facts
- Type
- shrub
- Mature height
- 3-5 feet
- Mature width
- 3-5 feet
- Sun
- Full sun to partial shade (4-6 hours of direct sun)
- Water
- Medium; prefers consistently moist, well-drained soils. Drought tolerant once established.
- Growth rate
- Medium