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Grass · Easy

How to Grow Pampas Grass

Cortaderia selloana

Your complete guide to growing Pampas Grass.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterHigh — consistent moisture needed
🗺Zones6–10
📏Height6-12 feet
Pampas Grass📷 Wikipedia: Cortaderia selloana

When to Plant Pampas Grass

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

ZoneStart IndoorsDirect SowHarvest
Zone 6 — April – June —
Zone 7 — March – May —
Zone 8 — March – May —
Zone 9 — February – April —
Zone 10 — January – March —

Companion Plants for Pampas Grass

✓ Good companions

Agave

Complementary water needs and creates dramatic focal points in xerophytic gardens

Lavender

Both are drought-tolerant and create attractive textural contrast in ornamental landscapes

Ornamental Alliums

Early season interest before pampas grass reaches full height, both prefer well-drained soils

Ornamental Sage

Drought-tolerant perennial that provides colorful flowers against pampas grass backdrop

Rosemary

Similar water requirements and Mediterranean climate preferences, complementary growth habits

Russian Sage

Similar height and airy texture, both are low-maintenance and drought-resistant

Sedum

Low-growing succulent that complements tall pampas grass while sharing drought tolerance

Yucca

Both thrive in poor soils with minimal water, create striking architectural garden design

✗ Keep away from

Moisture-loving Plants

Incompatible water requirements as pampas grass prefers dry conditions year-round

Native Grasslands

Invasive species that can displace native grasses and alter ecosystem balance

Small Trees and Shrubs

Pampas grass can outcompete and suppress nearby woody plants through aggressive root system

Vegetable Gardens

Allelopathic properties may inhibit vegetable growth and roots compete for nutrients

Notes from the garden

A greener inbox, occasionally.

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