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Shrub · Easy

How to Grow Japanese Kerria

Kerria japonica 'Pleniflora'

Your complete guide to growing Japanese Kerria.

☀SunPartial shade (4-6 hours)
💧WaterModerate, consistent moisture preferred
🗺Zones4–9
📏Height3-7 feet
Japanese Kerria📷 Wikimedia Commons

When to Plant Japanese Kerria

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

ZoneStart IndoorsDirect SowHarvest
Zone 4 — — —
Zone 5 — — —
Zone 6 — — —
Zone 7 — — —
Zone 8 — — —
Zone 9 — — —

Companion Plants for Japanese Kerria

✓ Good companions

Ajuga

Forms attractive ground cover in partial shade with similar water requirements

Astilbe

Enjoys same moist, well-draining soil and adds complementary spring blooms

Camellia

Shares preference for acidic, well-draining soil and partial shade conditions

Heuchera

Tolerates similar growing conditions and provides colorful ground-level foliage

Hosta

Thrives in similar partial shade conditions and provides contrasting foliage texture

Japanese Painted Fern

Thrives in partial shade with similar moisture needs and adds silvery texture contrast

Pieris

Enjoys similar acidic soil conditions and provides complementary evergreen structure

Rhododendron

Prefers acidic soil like Kerria and blooms at different times extending garden interest

✗ Keep away from

Black Walnut

Produces juglone toxin that can stunt growth and damage Kerria's root system

Eucalyptus

Releases allelopathic compounds that inhibit growth of nearby shrubs

Fennel

Secretes growth-inhibiting chemicals that can negatively affect shrub development

Notes from the garden

A greener inbox, occasionally.

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