Pampas grass is one of the most majestic grasses, but it’s also one of the most invasive.
Pampas facts, a summary
Name – Cortaderia selloana
Family – Poaceae
Type – grass, perennial
Height – 1 ⅓ to to 13 feet (1.5 to 4 meters)
Exposure – full sun
Soil – ordinary
Flowering – September to October
- Take note that this grass was planted the world over… now it has become invasive in many parts of it!
Planting Pampas grass
Preferably in spring or fall in soil amended with soil mix.
- Pampas grass loves sun.
- Luckily, it isn’t very sensitive to the type of soil it must grow on.
- Propagate it through crown division in spring.
Trimming Pampas grass
It’s up to you whether you want to keep the leafage and blooms in winter or not, because it can either be trimmed and evened out, or simply kept as is.
But since Pampas grass can quickly turn invasive if nothing is done, here is our advice on trimming it:
- Cut back the plant to the shortest at the end of fall, when the blades of grass and flowers have dried up.
- Mulch the foot of the plant with dried leaves if the winter is very harsh in your area.
- In areas with mild climates, simply cut the grass back to 20 inches (50 cm), no need to protect the base of the grass shoots.
Learn more about Pampas grass
However, its beauty doesn’t make it any less invasive. In some areas of the globe, legislation is underway to actually ban its sale, because it tends to propagate extremely fast. It wipes out native plants entirely as it encroaches the land.
It is fine as a standalone, that’s what best highlights its uniqueness. But if you’ve got a lot of space available, you can also create large swaying plains of Pampas grass.
Upon planting, take great care not to plant too near a hedge or a neighbor’s plot, because it grows seriously large!
Smart tip about Pampas grass
Pozzolana looks great and makes the Pampas grass look astounding. Spread this mineral mulch around the clump.
Pampas grass on social media
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Tall Pampas puffs by pixabay.com / Hebifot ★ under Pixabay license
Pampas bushing out by Sheila Shafer-Roberson ☆ under Pixabay license
Pampas fronds in the wind (also on social media) by Rosalyn & Gaspard Lorthiois, own work
Clump of pampas grass, close-up (also on social media) by Rosalyn & Gaspard Lorthiois, own work
Fronds of pampas grass (also on social media) by Rosalyn & Gaspard Lorthiois, own work