Hydrangea 'Endless Summer' is the flagship variety in the Endless Summer series celebrated for its ability to bloom on old and new wood. Its large mophead flowers shift color from pink to blue depending on soil pH and offers gorgeous reliable flowering.
Height & Spread: 36 - 48 in x 36 - 48 in
Bloom Time: Late spring through fall
Light Requirements: Part sun to part shade
Soil Preference: Rich, well drained soil with consistent moisture
Watering Needs: Moderate; benefits from mulch and regular watering
Deer Resistance: Not reliably deer resistant
Native Status
This cultivar is bred from Hydrangea macrophylla, a Japanese species. Though not native it is one of the most widely grown hydrangeas in home gardens across North America.
WILDLIFE & INSECTS
Bees
- Fertile blooms attract small pollinators including native bees and hoverflies, especially in early and mid summer.
Spacing & Landscape Use
Spacing Recommendations
- Space 36 - 48 in apart for robust, well branched shrubs with optimal flowering.
Landscape Placement
- Well suited to borders, foundation plantings, and as a showy centerpiece where repeated flowering adds extended interest.
Companion Plants
- Campanula poscharskyana (Serbian Bellflower) - Offers trailing purple blooms and ground coverage in partial sun.
- Athyrium niponicum (Japanese Painted Fern) - Adds fine texture and silvery tones that echo Hydrangea flower colors.
- Hakonechloa macra (Japanese Forest Grass) - Provides golden arching foliage that softens shrub bases and retains moisture.
- Brunnera macrophylla 'Looking Glass' - Adds shimmering silver foliage and early spring flowers under Hydrangea’s canopy.
- Ligularia 'The Rocket' - Provides contrasting upright yellow flower spikes in moisture retaining shade beds.