How to Grow Woodwardii Arborvitae
Woodwardii Arborvitae
Thuja occidentalis 'Woodwardii'
shrubWoodwardii arborvitae is a compact, dwarf cultivar of Eastern arborvitae with a dense, pyramidal to columnar form. It features soft, feathery, bright green foliage that transitions to bronzy-purple tones in winter. This slow-growing evergreen is ideal for hedges, foundation plantings, and small spaces.
When should you plant Woodwardii Arborvitae in your zone?
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Example Woodwardii Arborvitae timeline · Pittsburgh, PA (Zone 6b)
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Plant Woodwardii Arborvitae
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 Woodwardii Arborvitae
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 2-8, extremely cold hardy
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Get my Woodwardii Arborvitae timeline →Growth Stages
Establishment
Year 1Young plant with sparse branching and limited foliage; root system is developing
Water consistently to keep soil evenly moist but not saturated. Provide shelter from harsh winds and intense afternoon sun in hot climates. Avoid heavy pruning.
Vegetative Growth
Years 1-3Plant develops dense branching structure with increasing foliage density; pyramidal form becomes apparent
Continue regular watering during dry spells. Light shaping pruning can be done in early spring to encourage compact form. Apply 2-3 inch mulch layer.
Maturation
Years 3-5Plant reaches desired ornamental height (typically 12-20 feet depending on conditions); foliage becomes very dense with defined shape
Reduce watering frequency as drought tolerance increases. Prune only to maintain shape or remove dead/diseased branches. Monitor for spider mites in dry conditions.
Full Establishment
Year 5 onwardsPlant is fully mature with rich green summer foliage and bronze-purple winter coloration; serves as reliable landscape anchor
Minimal maintenance required. Prune in early spring only if needed for shape. Deep water during extended droughts. Fertilize lightly in spring if desired.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with strong water stream to dislodge; use horticultural oil or neem oil in severe cases; ensure adequate moisture to reduce stress
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Hand-pick bags in winter; apply Bacillus thuringiensis (Bt) in late spring when caterpillars are small; prune heavily infested branches
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Remove and destroy infested foliage; prune out dead branch tips; preventive sprays of horticultural oil in early spring
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Improve drainage and avoid overwatering; remove affected plants; do not replant in same location without soil amendment
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Install deer fencing; apply deer repellent sprays; consider less palatable companion plants nearby
Uses
Ornamental Screening & Privacy Hedge
HouseholdIts dense pyramidal form and year-round foliage make it excellent for creating living screens and privacy hedges in residential landscapes. The compact size suits small yards and foundation plantings. [source]
Wildlife Shelter & Nesting
WildlifeDense branches provide shelter, roosting sites, and nesting habitat for birds and small mammals, while the persistent foliage offers winter protection. [source]
Landscape Foundation & Structure
HouseholdSlow growth and predictable columnar shape make it ideal for framing entryways, anchoring landscape borders, and providing structural interest year-round. [source]
Fresh Greenery for Arrangements
CraftSoft, fragrant foliage can be cut and used in winter holiday wreaths, garlands, and fresh floral arrangements for its aromatic qualities and texture. [source]
Traditional Herbal Applications
MedicinalThuja species have been used in traditional medicine and herbalism, though modern use is limited due to toxicity concerns with internal consumption. Often used in homeopathy. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Woodwardii arborvitae is an ornamental evergreen, not harvested for produce. Foliage can be lightly trimmed for arrangements or greenery; best cut in late spring to early summer. Prune only dead or diseased branches to avoid exposing brown interior wood, which is slow to regenerate.
Fun Facts
- 🌱 Woodwardii arborvitae's name honors Stephen Woodward, and this cultivar is prized for maintaining its compact form without frequent pruning—a trait that took decades of selection to develop.
- 🌱 The foliage contains aromatic thuyone oil, which gives the plant its characteristic pleasant scent and contributes to its pest-deterrent properties.
- 🌱 Arborvitae means 'tree of life' in Latin, a name given by early explorers who witnessed Native Americans using the plant medicinally and for survival.
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