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Rubrum Pennisetum - Purple Fountain Grass

Earn up to 190 PBM Points.

5oz. Bio-tone Starter Plus

Availability: In stock

4lb. Bio-tone Starter Plus

Availability: In stock


About Rubrum Pennisetum - Purple Fountain Grass

The Rubrum Pennisetum, also known as Purple Fountain Grass is a well known ornamental grass that makes a bold statement in container gardens and landscapes. This selection is hardy down to USDA Zone 9 but can be grown in containers and moved indoors during colder months in cooler zones. Deep purple-burgundy foliage has gracefully arching habit that will be joined by airy purple-tan plumes from Summer into Fall. When the weather change in fall/winter the foliage will dry out and turn tan-bronze. In early spring foliage can be trimmed back to allow a clean flush of new purple foliage.


Rubrum Pennisetum Care

Plant Rubrum grass in a location that will receive Full Sun. Water 2-3 times per week until established. Once established this grass is drought tolerant and should be watered 1-2 times per week if rainfall is limited. Fertilize in early spring with a slow-release granular fertilizer to help stimulate new growth


Rubrum Pennisetum Spacing

To create a solid border of Purple Fountain grass plant one every 18-24″. To have space between plantings space them 3′ or more.


Common Name
Rubrum Pennisetum – Purple Fountain Grass
Scientific Name
Pennisetum setaceum 'Rubrum'
USDA Zones
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Average Size
Sun Exposure


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Bio-tone Starter Plus - 5oz Pack

The Ultimate Starter Fertilizer with both Endo & Ecto Mycorrhizae
  • Grows larger root mass to help plants establish fast
  • Reduces transplant loss
  • Promotes bigger blooms
  • Microbe enhanced all natural organic fertilizer with no sludges or fillers