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Shrub · Moderate

How to Grow Endless Summer Hydrangea

Hydrangea macrophylla 'Bailmer'

Your complete guide to growing Endless Summer Hydrangea.

☀SunPartial shade (4-6 hours)
💧WaterModerate — regular watering
🗺Zones6–11
📏Height3-6 feet
Endless Summer Hydrangea📷 Wikimedia Commons

When to Plant Endless Summer Hydrangea

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 6 — — —
Zone 7 — — —
Zone 8 — — —
Zone 9 — — —
Zone 10 — — —
Zone 11 — — —

Companion Plants for Endless Summer Hydrangea

✓ Good companions

Astilbe

Thrives in similar acidic, moist soil conditions and partial shade

Azaleas

Both prefer acidic soil and benefit from similar fertilization schedule

Caladiums

Colorful foliage complements hydrangea flowers in shaded areas

Ferns

Compatible moisture needs and creates layered woodland garden aesthetic

Heuchera

Enjoys similar growing conditions and provides attractive ground cover

Hostas

Similar shade and moisture requirements, complementary foliage textures

Impatiens

Thrives in shade with consistent moisture, extends bloom season

Japanese Painted Fern

Complementary silver foliage contrasts beautifully with hydrangea blooms

✗ Keep away from

Black Walnut Tree

Produces juglone which is toxic to hydrangeas and inhibits growth

Eucalyptus

Allelopathic compounds suppress hydrangea root development

Pine Trees

Excessive needle drop creates overly acidic soil and competes for moisture

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.