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Native Wildflower · Easy

How to Grow New Guinea Impatiens

Impatiens hawkeri

Your complete guide to growing New Guinea Impatiens.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterRegular, consistent moisture; keep soil moist but not waterlogged
🗺Zones10–12
📏Height6-24 inches
New Guinea Impatiens📷 Wikimedia Commons

When to Plant New Guinea Impatiens

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

ZoneStart IndoorsDirect SowHarvest
Zone 10 — January – March —
Zone 11 — January – February —
Zone 12 — January – February —

Companion Plants for New Guinea Impatiens

✓ Good companions

Begonia

Similar shade and moisture requirements, creates complementary color combinations

Browallia

Complementary blue flowers, same shade and water requirements

Caladium

Compatible moisture needs and shade tolerance, offers stunning foliage contrast

Coleus

Thrives in same partial shade conditions, provides contrasting foliage texture

Fuchsia

Shares preference for filtered light and consistent moisture, attracts hummingbirds

Lobelia

Similar moisture needs, trailing varieties provide ground cover beneath impatiens

Sweet Alyssum

Attracts beneficial insects that help control pests on impatiens

Torenia

Similar growing conditions and blooming period, creates layered flower display

✗ Keep away from

Lavender

Prefers dry, well-drained soil and full sun, opposite of impatiens needs

Marigold

Requires full sun and drier conditions, can compete for nutrients

Rosemary

Drought-tolerant herb requiring excellent drainage, incompatible with impatiens moisture needs

Notes from the garden

A greener inbox, occasionally.

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