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PlantFiles: Napiergrass, Elephant Grass
Pennisetum purpureum 'Princess'

Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Pennisetum (pen-ih-SEE-tum) (Info)
Species: purpureum (pur-PUR-ee-um) (Info)
Cultivar: Princess
Additional cultivar information: (PP17728)
Hybridized by Hanna/Ruter; Year of Registration or Introduction: 2007

One vendor has this plant for sale.

2 members have or want this plant for trade.

Ornamental Grasses and Bamboo
Tropicals and Tender Perennials

24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

15-18 in. (38-45 cm)

USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade


Bloom Color:
Dark Purple/Black
Maroon (Purple-Brown)

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall

Grown for foliage

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
By dividing the rootball
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By pennefeather
Thumbnail #1 of Pennisetum purpureum by pennefeather

By pennefeather
Thumbnail #2 of Pennisetum purpureum by pennefeather


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive pennefeather On Jul 19, 2008, pennefeather from McLean, VA (Zone 6b) wrote:

I planted three small plugs in my garden in April 2008. They didn't show much growth until the weather became consistantly warm. Princess is a beautiful maroon color. The leaves are wider than purple fountain grass although the color is similar. They resemble New Zealand flax in form.

Its only mid July 2008, but I am really pleased with their color, size, and form. They are close to 2 feet tall now, but I am expecting an additional foot of growth before the year is through.


This plant has been said to grow in the following regions:

Fort Mill, South Carolina
Sumter, South Carolina
Austin, Texas
Mc Lean, Virginia
Fall Creek, Wisconsin

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