Serviceberry tree (juneberry, Amelanchier): types, fruit and care

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At a glance

What is a serviceberry (juneberry)?

Amelanchier is a genus of shrubs and small trees in the rose family, with several species native to North America. The many common names are regional: juneberry for the month the fruit ripens, shadbush or shadblow because the flowers open when shad swim up rivers to spawn in early spring (per NC State Extension), sarvis as an older name, and saskatoon for the western species grown for fruit. University of Minnesota Extension and the Morton Arboretum both describe it as a year-round plant: white spring flowers, edible early-summer fruit, yellow-to-red fall color and smooth gray bark in winter.

How to identify a serviceberry

• Flowers: clusters of five-petaled white flowers in drooping racemes, opening in early spring just before or as the leaves appear. NC State notes it is one of the first shrubs to flower, just before the dogwoods.
• Leaves: simple, alternate, oval to elliptic, finely toothed, about 1–3 inches long. Young leaves are covered in soft hairs that disappear as they mature.
• Fruit: small berry-like pomes, about 1/3 inch across per the Morton Arboretum, turning from green to red to dark purple-black.
• Bark: smooth and gray, developing long vertical fissures with age, often with a reddish cast. Plants are frequently multi-stemmed.

Look-alikes

Types of serviceberry and how big they get

Mature size depends mostly on species, so check the label. The species most often sold:

Sizes come from University of Minnesota Extension, the Morton Arboretum, the Missouri Botanical Garden and NDSU. The Lady Bird Johnson Wildflower Center notes that plants sold as A. canadensis are often actually A. arborea. NC State Extension rates downy serviceberry slow-growing and the Morton Arboretum moderate; either way it is a good scale for front yards and small properties. Cultivar picks, from ornamental 'Autumn Brilliance' to fruiting saskatoons such as 'Thiessen' and 'Smoky', are covered in best serviceberry cultivars.

Serviceberry fruit: is it edible, and what does it taste like?

Yes, serviceberries are edible raw or cooked. NC State Extension describes the fruit as similar in flavor to blueberries, and University of Minnesota Extension says it can be eaten fresh or used in jams, jellies and pies. NDSU calls saskatoon fruit highly prized for food and rates 'Thiessen' the sweetest cultivar it tested.

• When it ripens: June in Minnesota and the Chicago region. The University of Wisconsin juneberry crop profile says fruit ripens 45–60 days after bloom, from mid-June to early July, with a harvest window of only 10–14 days.
• When to pick: when berries turn fully dark purple and soften slightly. Red berries are underripe.
• Yield: UW says a first crop typically comes three years after transplanting, with maximum production after 4–5 years. Saskatoon cultivars such as 'Thiessen', 'Smoky', 'Martin' and 'JB-30' are selected for fruit; ornamental tree cultivars fruit too, but the crop is spread over a taller canopy.

Birds come first. The Morton Arboretum notes the fruit is usually eaten very quickly by birds. That is good news for a wildlife planting (see best plants for songbirds), but it means netting shrub-sized plants if you want a harvest.

Where and when to plant a serviceberry

When: plant in spring or early fall, so roots establish before summer heat or deep winter. Container-grown and balled-and-burlapped trees can go in any time the ground is workable, given regular water afterward.

Where:

• Light: full sun gives the most flowers and fruit; University of Minnesota Extension notes cultivars grown for fruit produce best in full sun. Part shade is fine; downy serviceberry grows naturally along wood borders, per the Lady Bird Johnson Wildflower Center.
• Soil: UMN recommends moist, well-drained soil with pH 5.5–7.0 and says to avoid wet, poorly drained sites. NC State notes serviceberries can turn chlorotic (yellow) in alkaline soil.
• Placement: keep fruiting trees away from patios, driveways and parked cars. NC State flags dropped flowers and fruit as a maintenance issue.
• Air flow: the UW crop profile links powdery mildew, leaf spots and rust to humidity and poor air drainage, so choose an open site.

Planting steps

1. Dig a hole two to three times as wide as the root ball and no deeper.
2. Set the tree so the root flare sits at or slightly above grade, and loosen any circling roots.
3. Backfill with native soil, water deeply, and mulch 2–3 inches deep out to the drip line, keeping mulch off the stems.
4. Water weekly through the first growing season in dry weather.

The full process is in how to plant a tree the right way.

Caring for a serviceberry tree

• Water: keep soil evenly moist for the first two years. The Morton Arboretum notes downy serviceberry tolerates some drought but is likely to drop its leaves in a summer drought.
• Fertilizer: rarely needed in reasonable garden soil. Feed lightly in spring only if a soil test or pale, weak growth calls for it; excess nitrogen pushes soft growth.
• Pruning: NC State Extension recommends pruning in fall to avoid excessive sap loss. For a tree form, choose one trunk or a few strong ones and remove root suckers, which otherwise turn the plant into a shrubby colony. For a shrub form, remove a few of the oldest stems at the base every few years. Keep cuts light: the UW crop profile notes juneberries bear on first-year and older wood.
• Mulch: the Morton Arboretum recommends a mulch layer to conserve moisture and moderate soil temperature.
• Deer and rabbits: NC State rates serviceberry only mildly resistant to deer, the UW crop profile calls it susceptible to mammal browse, and rabbits often destroy seedlings. Protect young plants with a cage or fence (see deer fencing).

Are serviceberry trees messy?

Somewhat, in June. Fruit that the birds don't take drops and can stain pavement and cars, and NC State lists the falling flowers and fruit as a maintenance issue. In a lawn, bed or naturalized area the litter goes unnoticed; over a patio it's a nuisance. Plant fruiting serviceberries at least a canopy's width from hard surfaces.

Pests and diseases

Serviceberries share many problems with apples and pears, their rose-family relatives. University of Minnesota Extension says they have no serious disease or pest problems, and the Wildflower Center notes damage is usually cosmetic. What you may see:

• Cedar rust diseases: orange spots on leaves and fruit, caused by rust fungi that alternate between serviceberry and junipers or eastern red cedar. The Morton Arboretum lists cedar-rust as an occasional problem. See cedar-quince rust.
• Fire blight: NC State lists it as a threat to overall health. Shoot tips wilt and blacken; prune infected shoots well below the damage in dry weather and see fire blight.
• Leaf spot and powdery mildew: more common in humid, still air. Rake up fallen leaves and improve air flow.
• Insects: the Missouri Botanical Garden lists sawfly, leaf miner, borers and scale as occasional pests. Healthy, well-watered plants tolerate most of this.

Common mistakes

Frequently asked

What is a juneberry?

Juneberry is another name for serviceberry (Amelanchier), a North American shrub or small tree, and for its fruit. The name comes from the berries ripening in June in much of the US. The same plants are called shadbush, shadblow or saskatoon in different regions.

Is serviceberry edible?

Yes. Ripe serviceberries are sweet, with a flavor NC State Extension compares to blueberries, and can be eaten fresh or used in pies, jams and jellies. Pick them when they turn dark purple. Red berries aren't ripe yet.

How big do serviceberry trees get?

University of Minnesota Extension gives 4–25 feet tall and 4–15 feet wide for most serviceberries. Downy serviceberry typically reaches 15–25 feet, saskatoon stays around 6–9 feet, and Allegheny serviceberry can reach 40 feet or more. Size depends far more on species than on care.

How fast do serviceberry trees grow?

Slowly to moderately: NC State Extension rates downy serviceberry slow-growing, and the Morton Arboretum moderate. For fruiting types, the University of Wisconsin says the first crop typically comes three years after transplanting, with peak production after 4–5 years.

Is serviceberry deer resistant?

Not reliably. NC State Extension rates it only mildly resistant to deer damage, and the University of Wisconsin notes juneberries are susceptible to mammal browse. Cage or fence new plantings until the main branches are above browse height.

Are serviceberry trees messy?

Moderately, for a few weeks. Fruit the birds don't eat falls in June and can stain pavement, and petals drop briefly in spring. Planted in a lawn or bed away from patios and driveways, serviceberry is a low-litter tree.

When should you plant a serviceberry?

Spring and early fall are best, because the roots establish in cool, moist soil before summer heat or winter. Water weekly through the first growing season whenever rainfall is short.

Sources

1. Serviceberry, University of Minnesota Extension
2. Amelanchier, NC State Extension Gardener Plant Toolbox
3. Amelanchier arborea, NC State Extension Gardener Plant Toolbox
4. Downy serviceberry, The Morton Arboretum
5. Amelanchier arborea (Common serviceberry), Lady Bird Johnson Wildflower Center
6. Amelanchier canadensis, Missouri Botanical Garden Plant Finder
7. Juneberry, North Dakota State University
8. Juneberry crop profile, University of Wisconsin–Madison

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