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Beginner’s guide

Spruces

Picea

Cold-country evergreens for sun

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Highlights

A spruce is the tree a kid draws: a dark spire, branches sweeping down to the ground, cones hanging like ornaments. Spruces (Picea, say it PIE-see-uh) are cold-country trees, and seven are native to North America, from northern bogs to Rocky Mountain streams.

They also star in one of the most common evergreen mistakes in American yards. Colorado blue spruce is native to the Rockies, where it can live for centuries. In humid eastern and Midwestern yards it’s prone to fungal diseases that thin it from the bottom up.

Is a native spruce a good choice for my yard?

Yes, if…

Skip it if…

Why native spruces matter

Spruces host 262 native moths and butterflies in the Shropshire-Tallamy caterpillar records, well ahead of the 169 on hemlocks. Every one of those caterpillars is potential food for a nesting bird.

Seeds and needles for winter birds

Spruce seed carries a lot of birds through winter. Red spruce seeds make up 25 to 50 percent of the diet of white-winged crossbills. Spruce grouse eat the needles themselves, mostly the needles of conifers, white and black spruce among them.

Why blue spruce struggles in the East

Colorado blue spruce is a true native, primarily native to the central and southern Rocky Mountains. Move it to a humid eastern or Midwestern yard and it runs into the problems below.

Needle cast

Rhizosphaera needle cast hits trees aged between about 8 and 15 years old, starting on the lower branches. First-year needles turn yellow in midsummer, then brown or purplish-brown, and drop. Look for rows of tiny black dots on the needle undersides. Branches will decline and die after 3 to 4 years of successive defoliation.

Cytospora canker

Cytospora canker rarely affects trees less than 15 to 20 years old, and you’ll spot it by the white resin, or pitch, on dying branches. There’s no spray for it: Morton says “Chemical control is not useful.” Trees that are stressed or growing outside their natural range are more prone.

Diaporthe decline in Michigan

A Michigan research report traced spruce decline there to a fungus in the genus Diaporthe. In greenhouse tests, Colorado blue spruce was highly susceptible, Norway and white spruce moderately so, and Black Hills spruce resistant. The sample was small, eight trees at six locations, so treat it as a strong hint. Minnesota has already dropped blue spruce from its landscape recommendations.

The tree that can live for centuries along a Colorado stream is the same one losing its lower branches in humid eastern yards. It’s the clearest case we know for planting what’s native to your region.

The tree that can live for centuries along a Colorado stream is the same one losing its lower branches in humid eastern yards.

Spruce, fir or pine?

Pull a needle and roll it between your fingers. Spruce needles are 4-angled in cross section, rigid and sharp-pointed, so they roll and they prick. Balsam fir needles are flat, with two white bands underneath. Pines carry their needles in bundles; our native pines guide covers those.

Spruce cones hang down. Fir cones appear upright on branches in the fall, like candles on a cake.

Norway spruce is native to Europe. Among the natives, Engelmann and blue spruce are the hardest pair to tell apart. Look at young cones: Engelmann’s are violet or deep purple, while blue spruce cones are usually pale green or red.

Meet the native spruces

Seven species. Check your state before you buy.

White spruce

Picea glauca

The northern workhorse, dense and pyramidal when young. Crush a needle and you’ll learn why one of its old names is skunk spruce. Two forms fill nurseries. Black Hills spruce (var. densata) reaches 20 to 40 feet high and 10 to 20 feet wide, with a very narrow, dense form. Dwarf Alberta spruce (‘Conica’) stays 6 to 8 feet and rarely makes cones. NC State notes white spruce does poorly with salt spray.

  • Height: 40 to 60 feet
  • Cones: 1 to 2.5 inches, hanging, green ripening to pale brown
  • Sun: full sun to part shade
  • Soil: well drained; happy in many soils, including acidic
  • Zones 2 to 6
  • Native regions: Northeast, Mid-Atlantic, Midwest and Northwest

Black spruce

Picea mariana

The bog spruce, a narrow spire with thin, drooping branches. It usually grows on wet organic soils, though Oregon State says it can also do well with good drainage. Its cones can hang on for up to 30 years. The spruce grouse depends mainly on black spruce stands for food and cover.

  • Height: 30 to 40 feet, narrow
  • Cones: can stay on the tree up to 30 years
  • Sun: sun or light shade
  • Soil: wet to well drained; acidic, moist, organic
  • Zones: hardy to zone 3
  • Native regions: Northeast, Mid-Atlantic and Midwest

Red spruce

Picea rubens

The mountain spruce of the Northeast and the high southern Appalachians, where it grows as low as 4,500 feet. It’s also a comeback story. A study of 658 trees on 52 plots in five northeastern states found more than 75% of red spruce trees growing faster since 2001, and the authors tied that to less acid deposition and warmer temperatures. It can live about 400 years.

  • Height: 60 to 70 feet
  • Cones: 1.25 to 2 inches, light reddish brown
  • Sun: full sun to part shade
  • Soil: acidic (pH below 6) and moist
  • Zones 2 to 5
  • Native regions: Northeast, Mid-Atlantic and South

Colorado blue spruce

Picea pungens

The Rocky Mountain native, found along streams at roughly 6,000 to 10,000 feet and seldom found in large numbers. It can withstand drought better than any other spruce and can live several centuries in the wild. For a smaller one, ‘Fat Albert’ tops out around 15 feet and ‘Globe’ stays 3 to 5 feet tall.

  • Height: 30 to 60 feet
  • Cones: 2 to 4 inches, green with a violet bloom, ripening light brown
  • Sun: full sun
  • Soil: rich and moist, clay or loam, well drained
  • Zones 2 to 7
  • Native regions: Southwest and Northwest

Engelmann spruce

Picea engelmannii

The high-country spruce of the Rockies and Cascades, growing at 9,000 to 11,000 feet in Colorado, Utah and Wyoming and lower in the Cascades. It has a dense, narrow conical crown and stiff, sharp needles. A central Colorado tree has a crossdated age of 911 years. For gardens, ‘Bush’s Lace’ is a weeping form, about 6 by 4 feet after 10 years.

  • Height: 80 to 100 feet
  • Cones: 1 to 2.5 inches, violet to deep purple when young
  • Sun: full sun; handles shade
  • Soil: moist, well drained
  • Zones: hardy to zone 2
  • Native regions: Southwest, California and Northwest

Sitka spruce

Picea sitchensis

The coastal giant and the largest of the world’s spruces, with a record tree of 216 feet near Seaside, Oregon. It needs a maritime climate with abundant moisture throughout the year and is seldom found far from tidewater. On Alaska’s Admiralty Island, bald eagles use Sitka spruce for greater than 90 percent of their nest trees. NC State lists a dwarf, ‘Papoose.’

  • Height: 40 to 200+ feet
  • Cones: seeds feed small birds
  • Sun: full sun to part shade
  • Soil: acid to neutral, moist or occasionally wet
  • Zones 7 to 8
  • Native regions: California and Northwest

Brewer spruce

Picea breweriana

The weeping spruce, endemic to the Klamath-Siskiyou Mts. of southwestern Oregon and northern California, at about 4,000 to 8,000 feet. Its rope-like branchlets hang in a fringe, though young trees don’t weep until they’re about 10 to 20 years old. NatureServe calls it very limited in distribution. The Lady Bird Johnson Wildflower Center is blunt: it’s “not as easy as other spruces.”

  • Height: 50 to 75 feet in the wild
  • Branches: rope-like branchlets that hang like a curtain
  • Sun: part shade
  • Soil: moist and well drained, like other spruces
  • Zones: hardy to zone 6
  • Native regions: California and Northwest

Which spruce is right for my region?

Up north, white, black or red spruce. On the Plains and in the Midwest, Black Hills spruce. In the Rockies, blue or Engelmann spruce. On the Pacific coast, Sitka spruce. In the hot, humid lowlands, no native spruce fits.

Where native spruces shine in your yard

Beginner tip

In the Midwest and want that blue Christmas-tree look? Ask your nursery for Black Hills spruce by name. It’s a native variety of white spruce, it handles windy, exposed sites, and it held up to the decline fungus in Michigan’s greenhouse tests.

How to grow native spruces

Sun and soil

Most spruces want full sun and moist, well-drained soil. Black spruce handles the wettest ground.

Watch for spider mites

Spruce spider mite is “sometimes referred to as a cool season pest,” so look in spring and fall, not midsummer. Penn State times treatment for early to mid-May, and again in early September. Dwarf Alberta spruce is a favorite host.

Don’t panic about some needle drop

Blue spruce needles drop three to four years after emerging, so some browning on the oldest, innermost needles is normal. Yellowing that starts on the lowest branches and moves up year after year is the pattern to worry about.

What are good pairings for native spruces?

In the North, pair spruce with paper birch, with bunchberry and kinnikinnick at its feet. In the Rockies and the Northwest, Saskatoon serviceberry, common snowberry and wax currant add flowers and berries around it.

Where can I buy native spruces?

White spruce, Black Hills spruce and blue spruce are easy to find. If you live outside the Rockies, ask for Black Hills spruce by name. Red and black spruce are more likely at native nurseries, and Brewer spruce takes a specialist. Start with our list of native plant nurseries or order online.

Native spruce FAQs

Why is my blue spruce dying from the bottom up?

Most likely needle cast, canker or both. Needle cast shows up on trees about 8 to 15 years old and kills lower branches after a few years of repeated needle loss. Canker follows on older trees, and trees under stress or growing outside their natural range are more prone.

Is Colorado blue spruce native?

Yes, to the Rocky Mountains. It grows wild from Wyoming and Idaho south to Arizona and New Mexico. Planted in the humid East it’s outside its natural range, which is why so many struggle.

What’s the best native spruce for the Midwest?

Black Hills spruce. It’s a narrow, dense variety of white spruce, 20 to 40 feet tall, and it was rated resistant in Michigan’s spruce decline tests. Plain white spruce is a good second choice.

Is Norway spruce native?

No. Norway spruce is native to Europe. It’s also susceptible to Cytospora canker and needle cast, so it doesn’t dodge the blue spruce problem.

Is dwarf Alberta spruce native?

It’s a cultivar of a native. ‘Conica’ is a selected form of white spruce that stays 6 to 8 feet high. Watch it for spider mites: Penn State calls it “a particularly preferred host.”

Are spruce trees deer resistant?

Mostly, yes. Rutgers rates white spruce and Colorado blue spruce “seldom severely damaged” and dwarf Alberta spruce “rarely damaged.” Deer may still nibble young trees in a hard winter.

Plant nerd fact

The Wright brothers flew on red spruce

The straight parts of the Wright brothers’ airplane, such as the spars and struts, were red spruce, chosen because it is “very light, but extremely strong for its weight.” The curved ribs were white ash.

Pick the spruce that grew up where you live and it will hold its branches to the ground for decades. For shade, see our native hemlocks; for heat, our native pines and native cedars; and for the big picture, our native evergreen conifers overview. Happy planting!

Sources
Emily Lessard standing among white coneflowers in a garden

Written by

Emily Lessard

Founder & Editor, The Plant Native

Emily Lessard is the founder and editor of The Plant Native, the site that helps homeowners across North America get started with native plants. She holds a Sustainable Landscapes certificate through the Pennsylvania Landscape & Nursery Association, is finishing a Native Perennial Garden Design Certificate at Temple University, and is the author of Plant Native: A Practical Guide to Over 100 Native Plants of North America (Quarto, March 2027). She gardens outside Philadelphia in the 8.3 Southeastern Plains ecoregion.

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