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Ilex Castle Keep®
  • Castle Keep is an evergreen holly with a rounded shape and dark foliage
  • Castle Keep is an evergreen holly with a rounded shape and dark foliage

Ilex Castle Keep®

All the beauty of holly in a small package
Item: #ILECKSQ
ZONE 5,6,7
As low as $14.99
  • Classic blue holly
  • Space-saving round habit
  • Tiny white flowers in late spring
  • Naturally grows with a neat, rounded shape
  • Provides year-round beauty
  • Ship size: Starter Quart
  • View all TREES & SHRUBS
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Buy 1 or more for $19.99 each$0.00
Buy 3 or more for $17.99 each$6.00
Buy 6 or more for $16.99 each$18.00
Buy 12 or more for $15.99 each$48.00
Buy 24 or more for $14.99 each$120.00
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Ilex Castle Keep® Description

  • Classic evergreen holly with handsome dark green foliage
  • Useful low-rounded shape is super easy to include in gardens and landscapes
  • Female variety – will develop berries if pollinator Castle Wall is planted nearby
  • Very nice as a low hedge, specimen, or container plant

Special features: Evergreen, Boxwood substitute, Low hedge



Quick Facts

  • Botanical name: Ilex x meserveae 'SMNIFA'
  • Common name:
    Blue holly
  • Zone:
    5,6,7
  • 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:
    3-5' tall x 3-4' wide
  • Flower color:
    White
  • Foliage color:
    Green
  • Season of interest:
    Year-round
  • Uses:
    Hedge, Low hedge, Specimen, Containers, Formal gardens, Native plant gardens
  • Cannot ship to:
    AK, HI
  • Patent:31118

SUGGESTED PRODUCTS

PLANTING GUIDE

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:  4-5' apart. If you are planting a male so that fruit will develop, plant it anywhere within 50' of this female variety. One male will pollinate up to 5 females.
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. Note that if you do trim, you are likely to remove flower and berry potential.  

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