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Ilex Castle Wall®
  • Castle Wall holly is a male evergeen holly with a cylindrical habit
  • Castle Wall holly is a male evergeen holly with a cylindrical habit
  • Castle Wall holly is a male evergeen holly with a cylindrical habit

Ilex Castle Wall®

Evergreen structural accent
ZONE 5,6,7
As low as $14.99
  • Classic evergreen holly
  • Tower-like cylindrical habit
  • Tiny white flowers in late spring
  • Male pollinator for the Castle®series
  • Lustrous green foliage for season long interest
  • Ship size: Starter Quart
  • View all TREES & SHRUBS
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Buy 1 or more for $19.99 each$0.00
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Ilex Castle Wall® Description

  • Handsome male evergreen holly with natural cylindrical shape
  • White flowers in spring
  • Does not set fruit but is required to pollinate female varieties so they get fruit
  • One Castle Wall will pollinate up to five Castle Keep and/or Castle Spire
  • Plant within 50’ of the female varieties to ensure pollination

Special features: Evergreen, Boxwood substitute, Native plant, Low hedge

Quick Facts

  • Botanical name: Ilex x meserveae 'Heckenstar'
  • Common name:
    Blue holly
  • Zone:
  • Sun exposure:
    Full sun (min. 6 hrs/day) to part shade (4-6 hrs/day)
  • Delivery:
    See schedule
  • Ship form:
    Starter quart
  • Soil type:
    Moist, well-drained soil.
  • Soil moisture:
    Average. Leaves can brown if it becomes too dry too often.
  • Height x width:
    5-8' tall x 5-7' wide
  • Flower color:
  • Foliage color:
  • Season of interest:
  • Uses:
    Hedge, Specimen, Containers, Formal gardens
  • Cannot ship to:
    AK, HI
  • Patent:PP14308



Soil:  Moist but well-drained soils are best. Dry soil in fall and winter (before the ground freezes) will increase the chance of winter burn.  
Light: Full sun (6+ hrs/day) to part shade (4-6 hrs/day).
Water:  Average - do not overwater, as holly can readily suffer root rot.
Space:  min. 5' apart. Plant this male variety within 50' of the female plants.
Fertilizing:  If desired, fertilize in early spring, once the ground has thawed, with a granular rose fertilizer. A second application may be made in late spring/early summer as well.
Winterizing:  2-3" of shredded bark mulch is important to protect the shallow roots and minimize water loss. Do not allow plants to enter winter "thirsty" – dry soil during cold, windy weather is the main cause of leaf browning or even the plant dying.
Maintenance:  None required. Because it does not set fruit, can be trimmed after flowering if desired.