How to Grow Hetz Midget Arborvitae
Hetz Midget Arborvitae
Thuja occidentalis 'Hetz Midget'
shrubHetz Midget Arborvitae is a compact, slow-growing evergreen shrub with fine, feathery foliage that ranges from bright green in summer to bronze or reddish-brown in winter. It typically reaches only 3-4 feet tall and 2-3 feet wide at maturity, making it ideal for small spaces, rock gardens, and container plantings. This hardy conifer requires minimal maintenance and provides year-round ornamental interest.
When should you plant Hetz Midget Arborvitae in your zone?
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Example Hetz Midget Arborvitae timeline · Pittsburgh, PA (Zone 6b)
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Plant Hetz Midget 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 Hetz Midget 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, with best performance in zones 3-7
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Get my Hetz Midget Arborvitae timeline →Growth Stages
Establishment
First growing season (3-4 months)Young plant freshly planted, 6-12 inches tall, developing root system
Water regularly (2-3 times weekly) to keep soil consistently moist. Protect from strong winds and intense afternoon sun in first summer. Do not fertilize in first year.
Vegetative Growth
Years 2-5Plant develops dense branching structure with soft, feathery green foliage, slowly increasing in size
Water moderately as needed. Light pruning to maintain shape is optional. Monitor for spider mites in dry conditions. Apply balanced fertilizer in spring if growth is slow.
Color Change
Fall and winter months annuallyFoliage develops seasonal color changes, turning bronze, copper, or reddish-brown in fall and winter before returning to green in spring
This is normal and not a sign of stress. The color change is more pronounced in full sun and cold climates. No special care needed; color returns with warmth.
Mature Growth
Years 6+ (long-term)Shrub reaches full compact form (3-4 feet tall, 2-3 feet wide) with dense, fine-textured foliage and improved winter hardiness
Minimal pruning needed. Water during drought. Monitor for mites. Light annual pruning to maintain desired shape is optional. Very low maintenance at this stage.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil; increase humidity by misting; adequate watering reduces stress and mite populations
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Hand-pick bags in late fall or winter; apply Bacillus thuringiensis (Bt) in early summer when larvae are young
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Prune out affected branches; insecticidal soap in spring when larvae are active
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Spray with horticultural oil in late winter or early spring; insecticidal soap for crawlers in early summer
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Ensure well-draining soil; avoid overwatering; improve air circulation; remove affected plants if severely diseased
Uses
Holiday arrangements and greenery
CraftThe fine, soft foliage and seasonal bronze coloring make Hetz Midget arborvitae branches attractive for winter floral arrangements, wreaths, and holiday decorations. [source]
Small space landscaping and container gardening
HouseholdIts ultra-compact size makes it perfect for small residential gardens, balcony containers, alpine troughs, and Japanese-style gardens where space is limited. [source]
Wildlife shelter and cover
WildlifeDense foliage provides valuable nesting and shelter habitat for small birds and beneficial insects throughout the year. [source]
Accent planting and ornamental interest
HouseholdYear-round visual interest with fine texture and seasonal color changes from green to bronze/copper adds depth and dimension to mixed borders and specimen plantings. [source]
Harvest Tips
Not applicable (ornamental plant, not harvested for food or material). Branches may be selectively pruned for fresh greenery arrangements in winter or early spring. Prune in late winter or early spring before new growth begins. Maintain natural form and do not cut more than 1/3 of growth in a single year.
Fun Facts
- 🌱 The name 'Hetz Midget' comes from the extremely slow growth rate, making it one of the slowest-growing arborvitaes and allowing it to maintain a neat appearance with minimal pruning for decades.
- 🌱 Arborvitae means 'tree of life' in Latin, and the species has been valued for centuries in North America; the Hetz Midget cultivar was developed as a selection for modern small-space gardens.
- 🌱 The bronze-red winter color is not frost damage but a protective response where the plant reduces water loss in cold months, creating a natural antifreeze effect in the foliage.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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