How to Grow Weeping Spruce

iNaturalist

Weeping Spruce

Picea breweriana

tree

Weeping spruce is a graceful, narrow coniferous tree native to the Siskiyou Mountains of California and Oregon. It features distinctive drooping branches with long, slender branchlets that create a fountain-like silhouette, making it a striking ornamental specimen. The tree produces small cones and fine, needle-like foliage that is dark green year-round.

When should you plant Weeping Spruce in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Weeping Spruce timeline →

Example Weeping Spruce timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Weeping Spruce

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Weeping Spruce

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

☀️
Sun: Full sun to partial shade, minimum 4-6 hours of direct sunlight daily; prefers afternoon shade in hot climates
💧
Water: Moderate, consistent moisture; water deeply during establishment (first 2-3 years), then during dry spells. Avoid waterlogging. Drought-tolerant once established, but performs best with regular watering in hot, dry regions.
📏
Spacing: 120 inches
📅
Days to maturity: Not applicable - ornamental tree; reaches mature size in 20-30 years
🌱
Planting depth: Plant so root ball is level with ground; do not bury the trunk

Soil

Type: Well-draining, acidic loamy soil with good organic matter
pH: 5.5-6.5
Amendments:
Peat moss or aged pine bark for acidification Compost to improve drainage and structure Mulch to retain moisture and regulate soil temperature

Growing Zones

Find your zone →

Thrives in USDA zones 5-8, preferring cooler mountain climates

5a 5b 6a 6b 7a 7b 8a

Sign up free to see if Weeping Spruce grows in your zone — and get a personalized planting timeline.

Get my Weeping Spruce timeline →

Growth Stages

1

Establishment

1-3 years

Young tree with developing root system; erect growth pattern gradually transitions to weeping form

Water consistently, stake if necessary in windy locations, apply 2-3 inches of mulch around base

2

Young Growth

3-10 years

Tree develops its characteristic weeping branching structure; side branches elongate and droop gracefully

Maintain consistent moisture, avoid heavy pruning, allow natural form to develop, fertilize lightly in spring

3

Maturation

10-25 years

Tree reaches full ornamental form with long, pendulous branch tips creating fountain-like appearance; foliage becomes denser

Minimal pruning needed; remove dead or crossing branches only, continue regular watering during dry periods

4

Full Maturity

25+ years

Specimen tree at full size (20-40 feet tall, 10-15 feet wide) with dramatic weeping silhouette; may produce small cones

Reduce fertilizer, monitor for pests, prune only for structural integrity, occasional deep watering during drought

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Black walnut (produces juglone toxin) Areas with poor drainage or standing water Hot, dry, exposed windy locations Aggressive root competitors like large maples

Common Pests

  • Spray with horticultural oil in spring, maintain humidity, introduce predatory mites, strong water spray to dislodge mites

  • Bacillus thuringiensis (Bt) spray when caterpillars active, prune infested branch tips, natural predators like parasitic wasps

  • Horticultural oil spray in winter and early spring, dormant oil treatments, insecticidal soap, encourage beneficial insects

  • Hand-pick bags in winter, Bacillus thuringiensis spray in early summer, prune infested branches

Uses

🏠

Ornamental Specimen Tree

Household

Weeping spruce is prized as a focal point in gardens, landscapes, and parks for its unique, graceful form. Its distinctive drooping branches create visual interest and architectural beauty year-round, making it valuable for formal or naturalistic landscape designs. [source]

🦋

Wildlife Habitat

Wildlife

The dense, evergreen canopy provides shelter and food for birds, small mammals, and beneficial insects. Its seeds feed various songbirds and wildlife throughout fall and winter. [source]

🎨

Cut Branches for Arrangements

Craft

The elegant drooping branchlets are highly valued in floral design and decorative arrangements, particularly during winter holidays. Long-lasting greenery adds sophisticated texture to bouquets and displays. [source]

🏠

Windbreak and Privacy Screen

Household

When planted in groups, weeping spruce trees create effective windbreaks and living screens. Their pyramidal shape and dense foliage provide year-round privacy and wind protection. [source]

💊

Traditional Spruce Remedies

Medicinal

Various spruce species have been used in traditional medicine and herbalism. Spruce needle tea has been valued by indigenous peoples and herbalists for its vitamin C content and respiratory benefits. [source]

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

Harvest Tips

Not applicable - this is an ornamental tree. Cones may be collected in fall for seeds if desired for propagation, but this is not a harvested crop plant.

Fun Facts

  • 🌱 Weeping spruce is one of the rarest and most endangered conifer species in North America, with its natural range restricted to a small area of the Siskiyou Mountains, making cultivated specimens especially valuable for conservation.
  • 🌱 The species earned its common name 'weeping spruce' due to its unique pendulous branching habit—the branch tips can extend several feet downward, creating the appearance of graceful tears or streams of foliage.
  • 🌱 Weeping spruce was not widely introduced to cultivation until the 20th century and remains relatively uncommon in nurseries, making it a prized specimen for collectors and specialty gardens seeking unique, exotic conifers.

Gardening Terms

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

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Weeping Spruce planting timeline

Tell us your zip code and we'll calculate exactly when to start Weeping Spruce seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Weeping Spruce timeline →