Dwarf Pampas (Pumila) (Cortaderia selloana 'Pumila') - white flowers, illustrated plant cardIllustration

Dwarf Pampas (Pumila)

Cortaderia selloana 'Pumila'

Dwarf Pampas (Pumila) blooms from August through October.

Bloom calendar
Bloom time
Aug–Oct
not yet checked
Hardiness
Zones 6–11
not yet checked
Sun
Full sun
not yet checked
Water
Low water
not yet checked
Mature size
5 ft × 3.5 ft
not yet checked
Type
Grass
house classification

Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.

Growing Dwarf Pampas (Pumila)

Plant it in full sun. It prefers low water. It is hardy in USDA zones 6–11. Expect it to reach about 5 ft tall and 3.5 ft wide at maturity, in roughly 3 years (not yet checked).

No toxicity note is on file for Dwarf Pampas (Pumila). That is not a clearance: check its safety for people and pets before planting.

Verification
What this means

Written with AI assistance and not yet checked plant by plant against recorded sources, so treat every fact above as a starting point. Its scientific name was checked against botanical registries, an audit keeps its values consistent with the rest of the library, and a July 2026 review re-read the main facts of every plant then in the library against horticultural authorities without recording a source for each, which is why none of that counts as checked here. The source-by-source check is working through the whole library in the open, and a checked plant says so in this row.

When to plant Dwarf Pampas (Pumila)

Plant Dwarf Pampas (Pumila) in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 8, the middle of its hardy zones 6 to 11, spring means February to April and fall means September or October. Once settled, it blooms from August to October.

Month-by-month timing for your zone is on the planting calendar; if you garden near zone 8, the middle of this plant's hardy range, start with zone 8 in February. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.

How big does Dwarf Pampas (Pumila) get?

Illustration of Dwarf Pampas (Pumila) drawn to scale beside an adult5 fttall5 ft 7 inan adult3.5 ftwide
About 5 ft tall and 3.5 ft wide at maturity: about as tall as an adult.

See Dwarf Pampas (Pumila) in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.

How far apart to plant Dwarf Pampas (Pumila)

Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.

Space Dwarf Pampas (Pumila) about 3.5 ft apart, center to center, so each plant has room to reach its full width.

Plant them
3.5 ft apart
Per 10 sq ft
one needs about 12 sq ft
4 by 8 ft bed
about 2

Add Dwarf Pampas (Pumila) to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.

The Pampas Grass group

One of 4 in the Pampas Grass group. Same plant, same care.

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Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.

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