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How to Grow PeeGee Hydrangea

Hydrangea paniculata 'Grandiflora'

Your complete guide to growing PeeGee Hydrangea.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterRegular watering, 1-2 inches per week during growing season
🗺Zones3–8
📏Height8-25 feet
PeeGee Hydrangea📷 Wikimedia Commons

When to Plant PeeGee Hydrangea

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

ZoneStart IndoorsDirect SowHarvest
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Companion Plants for PeeGee Hydrangea

✓ Good companions

Astilbe

Similar moisture and partial shade requirements, blooms at different times extending garden interest

Azaleas

Both prefer acidic soil and similar watering needs, bloom in spring before hydrangea flowers

Boxwood

Provides evergreen structure and similar soil pH preferences for year-round garden framework

Caladiums

Shade-tolerant with colorful leaves that provide summer interest beneath hydrangea canopy

Coral Bells

Colorful foliage complements hydrangea blooms, both prefer well-draining but moist soil

Ferns

Thrives in same acidic, moist soil conditions and provides elegant textural contrast

Hostas

Shade-tolerant groundcover that complements hydrangea's partial shade needs and provides contrasting…

Japanese Forest Grass

Tolerates partial shade and provides graceful movement and golden color contrast

✗ Keep away from

Black Walnut

Produces juglone toxin that can stunt hydrangea growth and cause leaf yellowing

Eucalyptus

Allelopathic oils inhibit growth of nearby plants and competes aggressively for water

Fennel

Strong allelopathic effects can inhibit hydrangea root development and overall vigor

Notes from the garden

A greener inbox, occasionally.

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