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How to Grow Golden Arborvitae

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Golden Arborvitae

Thuja occidentalis 'Emerald Green' or 'Degroot's Spire' (Erecta Aurea variants)

shrub

Erecta Aurea is a narrow, columnar evergreen conifer with golden-yellow foliage that intensifies in cooler weather. This cultivar of Eastern Arborvitae grows in a tight, upright form, making it ideal for screening, hedging, and formal garden designs. It combines year-round color interest with minimal pruning requirements.

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Example Golden Arborvitae timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Golden Arborvitae

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Golden Arborvitae

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Golden Arborvitae dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to part shade, 6+ hours of direct sunlight daily for best golden color
💧
Water: Moderate watering; keep soil consistently moist but not waterlogged, especially during establishment (first 2 years). Once established, relatively drought-tolerant but prefers regular moisture during hot summers.
📏
Spacing: 24-36 inches
📅
Days to maturity: Not applicable (woody shrub); reaches mature size in 10-15 years
🌱
Planting depth: Plant at same depth as root ball; avoid planting deeper

Soil

Type: Well-draining loamy soil, tolerant of various soil types
pH: 6.0-7.5
Amendments:
Compost at planting Mulch to retain moisture Perlite or sand for heavy clay soils

Growing Zones

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Thrives in zones 3-7, with good performance in zone 8

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a

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Growth Stages

1

Establishment

First 1-2 years

Young transplant with dense branching from the base, golden-tinted new growth appearing at branch tips

Water regularly to keep soil moist; provide windbreak in exposed locations; mulch around base; stake if necessary in windy sites

2

Vegetative Growth

Years 2-5

Plant fills out as a narrow columnar shape with increasingly dense golden foliage; new growth appears lighter gold in spring

Maintain consistent moisture; prune only to shape if needed; avoid heavy pruning; apply balanced fertilizer in spring

3

Color Development

Years 5-10

Foliage deepens to warm golden-bronze, especially in fall and winter; columnar form is well-established

Full sun exposure enhances color intensity; minimal pruning needed; monitor for spider mites in dry conditions

4

Mature Growth

Year 10 onwards

Fully formed columnar specimen with consistent golden coloring year-round; reaches 15-20 feet tall

Light annual pruning to maintain form; ensure good air circulation to prevent fungal issues; fertilize lightly in spring

Companion Planting

Plan your garden →

Plant with:

Boxwood Juniper Hydrangea Coneflower Russian Sage Dwarf Spruce Sedum

Avoid planting near:

Dense shade-producing trees Wet, boggy areas Areas with poor air circulation

Common Pests

  • Spray with water to dislodge; use neem oil or miticide in severe cases; increase humidity and avoid drought stress

  • Prune out affected foliage; apply insecticide in early spring; maintain plant health with proper care

  • Remove with horticultural oil spray in dormant season; prune heavily infested branches

  • Hand-pick bags in fall/winter; apply Bt (Bacillus thuringiensis) in early summer

Uses

🏠

Privacy Screening & Hedging

Household

The narrow columnar form and dense foliage make Erecta Aurea ideal for creating living screens, privacy hedges, and formal borders without taking up much horizontal space. [source]

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Year-Round Color

Household

Golden-yellow foliage persists year-round and intensifies during colder months, providing vibrant winter interest and ornamental appeal to landscapes. [source]

🏠

Formal Garden Design

Household

The compact columnar shape is perfect for creating structure, framing entrances, and defining garden spaces in formal or contemporary landscapes. [source]

🦋

Wildlife Habitat

Wildlife

Dense foliage provides shelter and nesting sites for birds and small wildlife, while evergreen protection is valued year-round. [source]

🏠

Low-Maintenance Screening

Household

Once established, requires minimal pruning and maintenance compared to deciduous hedges, making it ideal for busy gardeners. [source]

Harvest Tips

Not applicable for ornamental use. For propagation, take semi-hardwood cuttings in summer.

Fun Facts

  • 🌱 The golden color intensifies in winter, making Erecta Aurea even more striking during cold months—a phenomenon called anthocyanin production triggered by frost.
  • 🌱 Arborvitae name comes from Latin meaning 'tree of life,' and historical cultures valued these plants for medicinal purposes and spiritual significance.
  • 🌱 The columnar form can grow 15-20 feet tall but only 3-4 feet wide, making it possible to create tall hedges in minimal space—ideal for urban gardens and tight landscapes.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Annual Cultivar Full Sun Mulch Transplant
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