How to Grow Hydrangea Endless Summer
Hydrangea macrophylla 'Endless Summer'
Your complete guide to growing Hydrangea Endless Summer.
📷 Wikimedia CommonsWhen to Plant Hydrangea Endless Summer
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | May – June | July – September | — |
| Zone 2 | April – May | June – August | — |
| Zone 3 | April – May | June – August | — |
| Zone 4 | March – April | June – July | — |
| Zone 5 | March – April | May – July | — |
| Zone 6 | March – April | May – July | — |
| Zone 7 | February – March | April – June | — |
| Zone 8 | February – March | April – June | — |
| Zone 9 | January – February | March – May | — |
| Zone 10 | January | February – April | — |
| Zone 11 | January | January – March | — |
| Zone 12 | January | January – March | — |
| Zone 13 | January | January – March | — |
Companion Plants for Hydrangea Endless Summer
✓ Good companions
Shares preference for moist, well-draining soil and partial shade
Shares acidic soil requirements and creates beautiful spring-summer bloom succession
Both prefer acidic soil and partial shade, blooms at different times extending garden interest
Creates natural woodland understory effect and enjoys same acidic soil conditions
Complements with colorful foliage and tolerates similar light and moisture conditions
Thrives in similar partial shade conditions and provides contrasting foliage texture
Fills understory space with continuous color and enjoys same partial shade environment
Provides striking silver foliage contrast and thrives in same moist, shaded conditions
✗ Keep away from
Produces juglone toxin that can stunt hydrangea growth and cause leaf yellowing
Releases allelopathic compounds that inhibit growth of nearby plants
Creates too much shade and acidic needle drop can make soil overly acidic
