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Castle Wall Blue Holly Ilex x meserveae

  • Hardy Zones
    • 5 - 7
  • Exposure
    • Part Sun to Sun
  • Season
    • Spring
    • Summer
    • Fall
    • Winter
  • Mature Size
    • 60 - 96 Inches
Shipping is closed for the season. You may place an order and we will ship spring 2017 according to your plant zone.
Size: Quart
Size: One Gallon
ColorChoice® Flowering Shrubs
Castle Wall Blue Holly Ilex x meserveae
Part Sun to Sun 60 - 96


Male holly with glossy dark evergreen leaves. Pollinator for Castle Spire. Great winter color. Nice columnar habit.

Fall Interest
Winter Interest
Deadheading Not Necessary


Shrub Type: 
Height Category: 
Garden Height: 
60 - 96 Inches
48 - 60 Inches
36 - 48 Inches
Flower Colors: 
Flower Shade: 
Foliage Colors: 
Foliage Shade: 
Dark Green
Container Role: 

Plant Needs

Light Requirement: 
Part Sun to Sun
Maintenance Category: 
Blooms On: 
Old Wood
Bloom Time: 
Early Spring
Bloom Time: 
Mid Spring
Bloom Time: 
Late Spring
Hardiness Zones: 
5a, 5b, 6a, 6b, 7a, 7b
Water Category: 
Specimen or Focal Point
Uses Notes: 

Broad columnar shrub that is great as a foundation, specimen or hedge plant. Good in groupings and mass plantings. Makes a good screen. Good for winter gardens.

Maintenance Notes: 

According to the Humane Society of America Ilex berries can be toxic to pets. This is means that the plants are generally identified as having the capability for producing a toxic reaction.

Prune to shape immediately after flowering. Likes high moisture. Native to swampy and boggy areas. Adaptable to wet soils, does well in light and heavy soil. Fertilize in early spring by applying a slow release fertilizer specialized for trees and shrubs. Follow the label for recommended rates of application. Protect from winter wind and sun in cold (Zone 5) climates. Use as a pollinator for Castle Spire holly.

Handsome columnar holly.

The Castle Ilex are compact, pyramidal varieties of blue holly. Dark glossy leaves, superior vigor and branching make them an improvement over other older varieties. Their narrow form makes them great for hedges, foundation plantings, or even as a dramatic specimen. The lustrous green foliage provides season long interest. Use Castle Wall holly as the pollinator for Castle Spire holly, or grow it on its own as a narrow hedge.  This is a male variety that will not produce fruit.

Castle Wall Ilex x meserveae 'Heckenstar' USPP 14,308
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