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Lawn & Garden

Purple Fountain Grass, Pennisetum setaceum ‘Rubrum’

Common Name: Purple Fountain Grass

Type: Ornamental grass

Family: Poaceae

Zone: 9 to 10     Find Your Zone

Height: 3 to 4 feet

Width: 2 to 3 feet

Bloom Time: July to October

Bloom Color: Burgundy

Sun exposure: Full sun to part shade

Soil: medium, fertile

Leaves: Annual


This annual grass makes a great backdrop for annual beds or accents for large planters. Its purple colored grass and burgundy plumes. This annual prefers full sun and will grow 3 to 4 feet tall. This plant is only considered a perennial in zones 9 and 10.Take a look at our 12 Ornamental Grasses for Landscaping.



STEP 1: Digging the hole

  • Find a location that has suitable sun exposure for your particular type of plant.
  • Dig your hole an inch or two shallower than the rootball of the plant.
  • Dig the hole twice the diameter of the rootball.
  • Scuff up the sides of the hole with a shovel to help roots break through the native soil.

STEP 2: Putting plant in hole

  • When removing the plant from the pot, check to see if the roots were circling the pot.
  • If the plant is rootbound, gently break up the roots with your hands until loosened up.
  • Set plant level, in the center of the hole.
  • Make sure the top of the rootball is just above soil level.

STEP 3: Amending the soil and filling in the hole

  • Amend the soil with proper amendments for your soil type. 
  • Incorporate 50% native soil with 50% amendment soils like garden soil, composted manure or soil conditioner.
  • Make sure dirt clods are broken up or removed from hole along with rocks.
  • Fill the hole with soils to the soil level and pack down. Do not cover top of rootball with dirt.
  • Water in thoroughly to remove air pockets.

STEP 4: Mulching and fertilizing

  • Cover the planting site with at least 2 inches of the mulch of your choice (pinestraw, cupress mulch,etc.)
  • High Phosphorus root stimulator fertilizers like Quick Start from Miracle Gro are great to use at time of planting.

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Posted 2015-07-12T16:24:32+0000  by Ingar_HD_ATL Ingar_HD_ATL