Botanical Name: Berberis x gladwynensis 'William Penn'
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Common Name: William Penn Barberry  
Plant photo of: Berberis x gladwynensis 'William Penn'
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Water Saving Tip:

Replace turf with groundcovers, trees, and shrubs. If you have areas where no one uses the grass, patches that do not grow well, or a turf area too small to water without runoff, consider replacing the turf with water-efficient landscaping.

  • Anatomy

  • Culture

  • Design

Plant Type

Broadleaf Evergreen, Shrub

 

Height Range

3-6'

 

Flower Color

Yellow

 

Flower Season

Spring

 

Leaf Color

Green, Dark Green

 

Bark Color

Brown

 

Fruit Color

Red

 

Fruit Season

Winter, Fall, Persistent

Information by: Stephanie Duer
Photographer:
  • Description

  • Notes

'William Penn' is an evergreen barberry with a graceful, upright, arching form that grows about 4 feet tall and 4 to 6 feet wide. It has clusters of bright yellow spring flowers, which are followed by dark red, torpedo-shaped berries that persist into winter and are enjoyed by birds. Leaves are an elongated oval, with slightly toothed margins, and are a dark green. Add it to the shrub or foundation border, or mixed in with ornamental grasses for winter interest. There are some 'William Penn' planted at the Concord Lift Station on Concord Avenue and California Street.