How to Grow Male American Holly 'Judge William Hendricks'
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Male American Holly 'Judge William Hendricks'
Ilex opaca 'Judge William Hendricks'
shrubA male cultivar of American Holly prized as a pollinator for female American Holly varieties. This evergreen shrub produces abundant small greenish flowers in spring that are rich in pollen, making it essential for berry production on nearby female hollies. It grows as a dense, pyramidal shrub with glossy dark green foliage and spiny margins.
When should you plant Male American Holly 'Judge William Hendricks' in your zone?
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Example Male American Holly 'Judge William Hendricks' timeline · Pittsburgh, PA (Zone 6b)
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Plant Male American Holly 'Judge William Hendricks'
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Male American Holly 'Judge William Hendricks'
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 5-9; performs best in zones 6-8 with adequate moisture
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Get my Male American Holly 'Judge William Hendricks' timeline →Growth Stages
Establishment
Year 1Young transplants with initial leaf growth and root system development
Water deeply and regularly; mulch 2-3 inches around base; stake if needed in windy locations; avoid fertilizing first year
Vegetative Growth
Years 2-3Develops dense branching structure and glossy evergreen foliage with spiny leaf margins
Prune in late winter to shape; apply balanced fertilizer (10-10-10) in spring; maintain consistent moisture; mulch annually
Flowering
Late April to May (4-6 weeks)Produces small, inconspicuous greenish-white flowers in clusters along branch axils in spring
As a male, flowers do not produce berries; pollen is abundant and valuable for nearby female hollies; no deadheading needed
Growth Maturity
Year 4 onwardFully mature shrub with thick, dark foliage and consistent annual flowering; reaches 15-25 feet tall if unpruned
Light pruning for shape; fertilize annually in spring; monitor for pests; no berry harvest since male variety
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove infested leaves; insecticidal oil in early spring; keep foliage dry
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Horticultural oil spray in dormant season; pruning of heavily infested branches
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Strong water spray; miticide if severe; maintain humidity
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Not a concern for male hollies; only affects berry-producing females
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Hand-pick or prune affected foliage; insecticidal soap in spring
Uses
Pollinator for Female Hollies
WildlifeThe primary purpose of this male cultivar is to provide abundant pollen for pollinating nearby female American Holly plants, ensuring robust red berry production. A single male can pollinate multiple female hollies within 50-100 feet. [source]
Ornamental Evergreen Structure
HouseholdThe dense, pyramidal growth habit and glossy dark green foliage make this an attractive landscape feature year-round, providing winter interest and a formal appearance in garden designs. [source]
Holiday Decoration Material
CraftBranches with spiny foliage can be cut for festive holiday arrangements, wreaths, and garland, offering rich green color and traditional holly aesthetics. [source]
Wildlife Shelter and Cover
WildlifeThe dense, spiny foliage provides excellent shelter and nesting habitat for birds and small wildlife throughout the year. [source]
Harvest Tips
No harvest applicable; this male cultivar is grown for ornamental foliage and as a pollen source. Foliage can be cut for holiday arrangements year-round, preferably in late fall/winter when stems are mature.
Fun Facts
- 🌱 Judge William Hendricks is a female-friendly male cultivar specifically selected and tested for its exceptional pollen production and ability to ensure berry set on female American Hollies across a wide geographic range.
- 🌱 Male American Hollies do not produce the showy red berries for which hollies are famous—only female plants bearing pollinated flowers produce berries—making males valuable but less visually dramatic landscape additions.
- 🌱 American Holly has been used in holiday decorations for centuries and is the state shrub of Delaware; however, wild collection of berried branches led to legal protections in some regions.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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