How to Grow Christmas Tree

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Christmas Tree

Various species (Abies, Picea, Pinus genera)

tree

Christmas trees are evergreen conifers commonly grown for seasonal decoration and harvest. The most popular commercial varieties include Douglas fir, Fraser fir, balsam fir, and spruce species. They are prized for their dense branching, pleasant fragrance, and ability to retain needles long after cutting.

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Example Christmas Tree timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Christmas Tree

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Christmas Tree

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

☀️
Sun: Full sun, 6+ hours daily; trees require good light for dense, compact growth
💧
Water: Consistent moisture during establishment and growing season; trees need 1-1.5 inches of water weekly when young; reduce watering once established; avoid waterlogging
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Spacing: 120-180 inches
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Days to maturity: 1800-2400 (10-15 years from seedling to harvest)
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Planting depth: Plant at same depth as root ball; ensure top of root collar is at soil surface

Soil

Type: Well-draining sandy loam to loamy soil
pH: 5.5-6.5
Amendments:
Compost or aged bark mulch Sulfur (if pH too high) Organic matter for moisture retention

Growing Zones

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Thrives in zones 3-8, depending on species; Douglas fir and Fraser fir excel in zones 4-7

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 8a

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Growth Stages

1

Seedling

6-12 months

Young seedlings 2-4 inches tall with soft, tender needles and developing root systems

Provide shade cloth in hot climates; maintain consistent moisture; protect from strong winds; avoid transplant shock by hardening off gradually

2

Sapling

2-4 years

Trees 1-3 feet tall with increasingly dense branching and stronger root establishment

Begin light pruning to shape; remove competing leaders to maintain single central trunk; continue regular watering; apply mulch to retain moisture and regulate soil temperature

3

Young Tree

4-8 years

Trees 3-8 feet tall with well-developed branching structure and commercial shape potential

Perform annual shaping prunes in late dormancy to maintain conical form; remove lower branches if desired; ensure adequate spacing to prevent crowding; monitor for pest and disease issues

4

Pre-Harvest

1-2 years

Trees 5-7 feet tall approaching commercial harvest size with dense, attractive branching

Continue shaping; check for needle density and color; ensure shape meets market standards; monitor moisture during hot periods; prepare for harvest planning

5

Harvest

Harvest period: November-December in Northern Hemisphere

Mature tree at desired height (typically 4-7 feet) with full, dense branching and vibrant needle color

Cut tree cleanly at base with sharp saw; net tree for transport to prevent needle loss; store in cool location before sale/use; cut trunk fresh and place in water immediately

Companion Planting

Plan your garden →

Plant with:

Shade-tolerant groundcovers (under mature trees) Shade-loving herbaceous plants Nitrogen-fixing cover crops (between rows in commercial settings)

Avoid planting near:

Black walnut (produces allelopathic juglone) Dense competing trees or shrubs that shade seedlings Plants requiring very different soil pH

Common Pests

  • Horticultural oil sprays in fall/winter; maintain tree vigor; remove heavily infested trees; insecticidal soaps for young trees

  • Strong water spray to dislodge; miticide sprays if severe; improve humidity and avoid drought stress

  • Bacillus thuringiensis (Bt) sprays; hand-picking on small trees; encourage natural predators

  • Hand-pick bags in winter; Bt sprays in early summer when larvae are small; pyrethrin insecticides for severe infestations

  • Ensure excellent drainage; avoid overwatering; remove infected trees; use fungicide drenches preventatively in problem areas

Uses

🏠

Holiday decoration and seasonal display

Household

Christmas trees are cut and brought indoors for holiday decoration, serving as focal points for family gatherings and festive displays. Their evergreen foliage and pleasant fragrance create a traditional seasonal atmosphere. [source]

🦋

Wildlife habitat and food

Wildlife

Living Christmas trees and tree farms provide shelter and nesting sites for birds and small mammals. The dense branching offers protection from predators and harsh weather. [source]

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Fresh fragrance and air quality

Household

Christmas trees release pleasant aromatic compounds including alpha-pinene and limonene that provide natural fragrance indoors and are reputed to have mood-enhancing properties. [source]

🎨

Post-holiday recycling and mulch

Craft

After the holiday season, Christmas trees are chipped for mulch, composted, or used for erosion control and wildlife habitat. This sustainable practice reduces landfill waste. [source]

💊

Traditional herbal remedies and vitamin C

Medicinal

Pine and spruce needles have been traditionally brewed into tea and contain vitamin C. Historic sailors used spruce needle tea to prevent scurvy during long voyages. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Trees are ready for harvest after 10-15 years when they reach desired height (typically 4-7 feet) and have dense, attractive branching. Cut trees in late fall (November-December in Northern Hemisphere) when dormant. Use a sharp saw to cut at the base. Immediately move tree to cool, shaded location or place in water to prevent needle drop. Fresh-cut trees retain needles best when kept in water and placed away from heat sources after cutting.

Fun Facts

  • 🌱 It takes approximately 10-15 years to grow a Christmas tree to commercial harvest size, requiring significant investment in land, labor, and maintenance. The average tree requires over 10 years of careful pruning and shaping to achieve the desired commercial form.
  • 🌱 The most popular Christmas tree species vary by region: Douglas fir dominates the Pacific Northwest, Fraser fir is preferred in the eastern United States, and blue spruce is popular for its silvery-blue foliage and strong needle retention.
  • 🌱 A freshly cut Christmas tree can absorb up to one quart of water per day and should be placed in water within 2 hours of cutting to prevent the base from sealing over, which would block water uptake and cause premature needle drop.

Gardening Terms

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

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