General Plant Information (Edit)
Plant Habit: Grass/Grass-like
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 4-6 feet
Plant Spread: 4-6 feet
Leaves: Good fall color
Unusual foliage color
Deciduous
Flowers: Showy
Flower Color: Mauve
Purple
Red
Flower Time: Late summer or early fall
Fall
Underground structures: Rhizome
Uses: Windbreak or Hedge
Provides winter interest
Erosion control
Cut Flower
Dried Flower
Wildlife Attractant: Birds
Propagation: Other methods: Division
Offsets
Containers: Not suitable for containers
Miscellaneous: Patent/Plant Breeders' Rights: USPP 11,202 (Expired)
Goes Dormant

Image
Common names
  • Switchgrass
  • Switch Grass
  • Wand Panic Grass

Photo Gallery
Uploaded by SheilaC
Location: Audubon, Pennsylvania
Date: 2016-06-30
group of grasses, just foliage before any grass flower stalks dev
Location: South Jordan, Utah, United States
Date: 2023-09-27
Location: In my sister's garden in Oklahoma City
Date: June, 2004
Switch Grass (Panicum virgatum 'Dallas Blues') 002
Location: Jacksonville, TX
Date: 2014-07-30
Location: Jacksonville, TX
Date: 2013-08-27
Location: In my sister's garden
Date: June, 2004
Switch Grass (Panicum virgatum 'Dallas Blues') 001

Date: 2014-01-23
Photo courtesy of Santa Rosa Gardens. Used with permission.
Location: English Gardens, Dearborn Heights, MI
Date: 2010-06-24
Location: English Gardens, Dearborn Heights, MI
Date: 2010-06-24
Location: English Gardens, Dearborn Heights, MI
Date: 2010-06-24
Location: South Jordan, Utah, United States
Date: 2020-09-29
Location: At home in Aiken, SC 
Date: 2016-10-30
Earlier in the year the seeds have a pink/peach cast to them.  Th
This plant is tagged in:
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Comments:
  • Posted by Ispahan (Chicago - Zone 6a) on Nov 7, 2011 10:18 AM concerning plant:
    One of my favorite ornamental grasses with glaucous blue-tinged, gracefully arching foliage and very showy flower heads in late summer and fall. This one really appreciates good drainage for best growth and winter survival. Where happy (and it is not hard to please), it is stunningly beautiful!
  • Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Sep 24, 2023 1:32 PM concerning plant:
    There used to be a nursery in Port Matilda, Pennsylvania, that was Limerock Ornamental Grasses until around 2010. They sold this cultivar of 'Dallas Blues' that they describe as a really neat plant with an upright, leafy form that has very bold and coarse textured, wide blades of a grayish-blue color. The grass flower head is a deep reddish-purple with masses of florets in a neat order on the head and not a hovering cloud effect of most other Switchgrass.

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