SelecTree: Tree Detail
STEWART'S SILVER CROWN AMERICAN HOLLY
Ilex opaca 'Stewart's Silver Crown'
Utility friendly tree.
Trainable as a standard. Branches droop but resist breakage.
Has fragrant Flower.
Trees may be referred to as male or female.
Has Evergreen foliage.
Height: 15 - 25 feet.
Width: 15 - 25 feet.
Growth Rate: 12 to 24 Inches per Year.
Leaves Elliptic, Variegated, No Change, Evergreen.
Flowers Inconspicuous. Fragrant Green or White.. Has either male or female flowers (dioecious). Trees may be sold as male or female.
Persistent, Red Drupe.
Shading Capacity Rated as Dense to Very Dense in Leaf.
Tree Site Conditions & Constraints
Sunset Zones 2 - 9, 14 - 17 and 19 - 23.
USDA Hardiness Zones 6 - 9.
Exposure Full Sun to Partial Shade.
Wet but Well Drained Soil.
Loam or Sand Texture.
Acidic Soil pH.
Salinity Tolerance is Moderate Inland.
Pests & Disease Information
Resistant to Verticillium. Susceptible to Leaf Miner, Scales and Spider Mites, Armillaria, Tar Spot, Leaf Spot, Canker, Chlorosis, Root Rot and Leaf Blotch.
Health, Safety & Environmental Concerns
Root Damage Potential Rated as Low.
Special Uses & Values
Specimen, Screen, Buffer Strip or Street Tree.
Bonsai or Hedged.
Cite this tree:
SelecTree. "Ilex opaca 'Stewart's Silver Crown' Tree Record." 1995-2018. Jul 20, 2018.
< https://selectree.calpoly.edu/tree-detail/ilex-opaca-stewarts-silver-crown >