Picea rubens

Common Names

Red Spruce, Eastern Spruce, Yellow Spruce, West Virginia Spruce, He-Balsam, Épinette Rouge, Arctic Spruce

Summary

Red Spruce is a long‑lived evergreen conifer native to eastern North America, from the Maritime Provinces and eastern Quebec to the southern Appalachians. It forms a tall, narrow to conical tree with gray‑brown bark that is reddish‑brown on young trunks, and four‑sided, curved yellow‑green needles about 12–15 mm long; cones are 3–5 cm long and glossy red‑brown. Typical height ranges 18–40 m (60–130 ft), with exceptional specimens taller, and it is shade‑tolerant when young, often occurring in pure stands or mixed with eastern white pine, balsam fir, or black spruce. The species is valued for timber and tonewood, and it plays a key ecological role in spruce–fir forests, providing wildlife habitat.

In cultivation, Red Spruce prefers full sun to partial shade and cool, moist, well‑drained soils, often on acidic sites; hardy in USDA zones 2–5 and tolerates moist conditions but not drought or heat. Roots are shallow, increasing windthrow risk in exposed sites; cone crops occur every 3–8 years and seeds are wind‑dispersed. Practical uses include lumber, pulpwood, and tonewood for guitars, pianos, and violins; historically it yielded spruce gum and could be used for spruce beer; propagation is by seed, with establishment favored by seedbeds containing mineral soil; makes an important landscape option for cool, moist sites or naturalistic plantings in suitable climates.

Lifecycle

Perennial

Height

60-130 ft

Spread

20-40 ft

Hardiness Zones

Zones 2-5

Sunlight Requirements

Ideally full sun, tolerates partial sun and partial shade, with optimum growth at 50–100% full sun.

Soil Type

Moist, well-drained acidic loamy to sandy loam soil

Soil Drainage

Moist but well-drained soils.

Soil pH

4.0-6.5, Acidic to mildly acidic

Bloom Color

Red

Bloom Time

Spring

Foliage Color

Yellow-green to dark green

Fall Foliage Color

No fall color; evergreen.

Leaf Lifecycle

Evergreen needle

Growth Rate

Slow to moderate

Seasons of Interest

Spring, Summer, Fall, Winter

Propagation Methods

Seeds, Cuttings, Layering

Attracts Wildlife

Birds: Yes; nesting sites; seeds eaten by nuthatches, crossbills, pine siskins; attracts songbirds.