Growing elderberry: tree, bush, or shrub, and how to plant it

Ask whether elderberry is a tree or a bush and the honest answer is both, and which one you get depends on two things the search results rarely name: the species you bought, and how you prune it. So settle the species first, because similar Latin names refer to two different garden plants.

European black elder, Sambucus nigra, is the plant a temperate-Europe gardener grows and the species behind the Austrian cultivar Haschberg. It grows as a large multi-stem shrub or a small tree. RHS gives an ultimate height of about 4 to 8 m and a spread of 2.5 to 4 m in cultivation, reached over 10 to 20 years; Oregon State describes it as a large shrub or small tree to about 10 m. It sends up several shoots from the base rather than one dominant trunk, which is why you can leave it bushy or train it, over a few years, as a short-stem standard (a Hochstamm). Read it as a large shrub that can be grown as a small tree, not a tree by nature.

American elderberry, Sambucus canadensis, is what nearly all US nurseries and guides mean, often without saying so. It is a shorter, strongly suckering shrub, roughly 1.5 to 4 m tall and usually wider than tall, that forms a thicket if you do not remove the suckers. Penn State Extension notes the native American type is generally smaller and a better fruit producer than its European counterpart, one reason US guides focus on it. The contrast: nigra a few-stemmed shrub to small tree to about 10 m, canadensis a suckering thicket-former to about 4 m.

Pruning then decides the final form. Because elderberry fruits mostly on young, one to two year old wood, the regime shapes the plant: left alone it builds a multi-stem framework, cut back hard it stays a low bush of young canes. More on that in the last section. (One aside for shoppers: searching "elderberry shrub" also turns up a drinking vinegar called a shrub, unrelated to the plant.)

Elderberry takes full sun to partial shade and crops best in full sun; the dark-leaved and golden ornamental forms also hold their colour best in fuller sun. Give it the sunniest spot you can if fruit is the goal.

On soil it is forgiving but has a clear preference. It likes moist, fertile, well-drained ground, but it does not tolerate poor drainage. Cornell is blunt that the idea elders prefer swampy ground is a myth; on heavy or wet soils, US guides plant on a low ridge or berm to lift the roots clear of standing water. So read "likes wet feet" as likes moisture, not waterlogging. On soil reaction it is tolerant: RHS reports S. nigra grows on acid, alkaline or neutral soils across chalk, clay, loam and sand, while US fruit guides aim for a slightly acidic optimum around pH 5.5 to 6.5 (Missouri, Cornell, WVU) for best production, a productive target rather than a hard requirement.

Water matters most while the plant is establishing and while berries fill. Elderberry is shallow-rooted and not drought tolerant in fruit; US guides suggest about 1 to 2 inches (roughly 25 to 50 mm) of water per week in dry spells. RHS notes an established nigra copes with dry weather but still wants water in a prolonged drought. So an established plant survives a dry spell, but a plant you want to fruit wants steady moisture.

Hardiness is where the species split is sharpest, so state every zone with its source. For S. nigra, Oregon State gives about USDA Zone 4 to 5 by selection, NC State zones 5a to 7b, and RHS rates it H6 (hardy across the UK and northern Europe to roughly minus 20 to minus 15 C). For S. canadensis, Oregon State and Cornell put it at about USDA Zone 3, and the American cultivar set spans zones 3 to 9 (WVU). The point a buyer can act on: American elderberry is generally more cold hardy than European black elder, one reason US growers often choose canadensis. Local winter minima and the chosen cultivar matter for your particular site.

Follow these steps.

On spacing there is no single number, because spacing follows intent. For a specimen or a small standard, give a single nigra room for its 2.5 to 4 m spread, several metres clear on each side. For a hedge or a productive row, plants go closer, from about 1.2 m (4 ft) for a tight canadensis hedge up to 1.8 to 3 m (6 to 10 ft) between plants (Cornell). That tight hedge spacing is wrong for a nigra you want as a small-tree specimen, so match the spacing to the plant and the form, not a generic figure.

In the first year or two the plant builds roots and a framework, not a crop. US extension guidance (Missouri, Michigan, Penn State) is to remove the flowers in the establishment year, then expect a partial crop in year two and a full crop by about year three, with the plant productive for at least five years. Take that timeline as a general expectation from US growers on American elderberry, not a guarantee, and a touch later for a slower-establishing nigra. Fruit forms on young wood: canes reach full height in a season, form laterals the next, and fruit most heavily on second-year laterals, while older wood loses vigour by year three or four (Cornell). That habit sets up the pruning fork below.

On pollination, the actionable point is simple: plant more than one cultivar. Most elderberries are partially self-fruitful, so a single plant sets some fruit, but cross-pollination gives a more reliable crop. Cornell and Penn State both advise two different cultivars within about 18 m (60 ft). Haschberg is self-fertile but also yields more when cross-pollinated. If you have room for two, use it.

Then choose a cultivar by climate, grouped by species (the table below sets them side by side with their traits and zones). For a temperate-Europe garden, Haschberg is the obvious choice: a real, named commercial S. nigra cultivar that the standard horticultural review of the genus (Charlebois et al. 2010, Elderberry: Botany, Horticulture, Potential, Horticultural Reviews vol. 37) names in the European set, an Austrian-selected, self-fertile, heavy cropper. The Danish Korsor (Korsoer) is the other European option worth seeking out, exceptionally winter-hardy. Other European cultivars exist, but these two are the ones to plant with confidence. On the American side, the S. canadensis cultivars US buyers find are Adams 1 and 2, York, Wyldewood and Bob Gordon; they belong in the US case, not the European one.[1]

Two cautions. Black Lace (the cultivar Eva) is an ornamental black-leaved nigra, an RHS Award of Garden Merit plant grown for foliage, not fruit, so if you want berries, buy a fruiting cultivar. And state yield loosely: a few pounds per plant once established (Utah gives about 2 to 3 lb, roughly 1 to 1.4 kg; a Missouri trial averaged 0.25 to 0.60 kg). There is no published per-plant figure for a mature garden nigra, so take any number as a rough order, not a promise.

A young elder needs no pruning until it is established, about two years after planting (RHS). After that, prune while dormant in late winter, before bud break.

The standard renewal cut, worked out on American elderberry, is straightforward: each late winter remove all dead, broken or weak canes and all canes more than three years old, leaving a balanced framework of one, two and three year old canes. A mature bush carries roughly five to eight canes. You keep the fruiting wood young by taking out the old.

Here is the species split most growing content misses. Because canadensis fruits well on new shoots, many American cultivars can be cut to the ground in winter, a hard coppice, and still crop that year (growers do it for fewer but larger clusters and a tighter window; the research anchor is Thomas, Byers and Ellersieck 2009, and the exact yield trade-off is paywalled, so we give no number). Most European S. nigra cultivars are not suited to that, because they do not fruit reliably on brand-new wood. For a nigra you want to fruit, the right move is selective renewal of the oldest canes, not cutting the whole plant down. RHS does place S. nigra in pruning group 1 and notes it tolerates hard pruning to restrict size, and ornamental Black Lace can be cut hard to rejuvenate foliage, but rejuvenating foliage and maximising fruit are not the same job. So do not coppice a nigra for fruit.

On problems, keep it regional and use cultural control only. On the European plant, young shoots are sometimes infested with blackfly (aphids), with occasional verticillium wilt. In North America, spotted wing drosophila (Drosophila suzukii) is the serious fruit pest, alongside mites, Japanese beetles, sawfly, borers and aphids; fungal problems include elderberry rust (Puccinia bolleyana, which uses Carex sedges as an alternate host), powdery mildew and leaf spot. The clear answer is sanitation, not spraying: cut out and destroy infested or galled canes, collect and destroy the winter prunings so overwintering pests and spores go with them, keep the planting tidy, and net the fruit against birds. Few products are labelled for elderberry and their effect is under-researched, so the honest advice is good housekeeping.

A last word on why it earns its place. Elderberry is a wildlife and hedgerow plant, the flowers feeding pollinators and the ripe berries feeding birds (RHS lists S. nigra for wildlife gardens), and a kitchen plant on a clear seasonal rhythm, flowers in early summer for fritters (Hollerkiachal) and cordial, cooked berries in early autumn for preserves, juice and soup. Our own work is with the European species, Sambucus nigra, sourced from Austrian regions including Steiermark, Burgenland and Niederösterreich, the plant this whole guide is about.

Is elderberry a tree or a bush?

Both, depending on the species and on pruning. European black elder (Sambucus nigra) is a large multi-stem shrub that you can train as a small standard tree, while American elderberry (S. canadensis) is a shorter suckering shrub that forms a thicket. Left alone either builds a multi-stem framework; pruned hard it stays a lower bush.

How big does an elderberry get?

A European black elder reaches about 4 to 8 m tall with a 2.5 to 4 m spread in a garden (RHS), and up to about 10 m as a small tree (Oregon State). American elderberry is shorter, roughly 1.5 to 4 m and usually wider than tall.

How long until an elderberry produces fruit?

On US extension timing for American elderberry, expect a partial crop in year two and a full crop by about year three. Remove the flowers in the first year so the plant builds roots and structure first. A slower-establishing nigra can take a little longer.

Do I need two elderberry bushes to get berries?

One plant sets some fruit, since most elderberries are partially self-fruitful, but two different cultivars within about 18 m (60 ft) give a more reliable crop (Cornell, Penn State). Haschberg is self-fertile but also yields more when cross-pollinated.

Does elderberry grow in shade?

It tolerates partial shade but crops best in full sun, so give it the sunniest spot you can if fruit is the goal. Ornamental colour forms also hold their colour better in fuller sun.

When is the best time to plant elderberry?

In early spring once the soil is workable and frost risk has passed, or in autumn. Container-grown plants can go out any time the soil is not wet, frozen or dry, with spring and autumn best.

When is the best time to prune elderberry?

While dormant in late winter, before bud break. A young plant needs no pruning for about two years; after that, each late winter remove dead, weak and over-three-year-old canes, leaving about five to eight canes. Do not cut a nigra to the ground for fruit; renew the oldest canes instead.

Can I grow elderberry from cuttings?

Yes. It roots readily from hardwood cuttings taken while dormant in late winter, before bud break, using pieces of two to three buds; softwood cuttings work in early summer. It is one of the easiest fruiting shrubs to propagate.

• Cernusca, M.M., Byers, P.L., Thomas, A.L. et al., 'Growing and Marketing Elderberries in Missouri', University of Missouri Extension Agroforestry in Action AF1017 (2022 revision; document footer AF1016).
• West Virginia University Extension, 'Elderberry', WVU Extension Agriculture and Natural Resources.
• Royal Horticultural Society (RHS), 'Sambucus nigra (common elder)', RHS Plants database, plant id 16391.
• North Carolina State Extension, 'Sambucus canadensis (American Elder, Elderberry)', NC State Extension Gardener Plant Toolbox.
• Missouri Botanical Garden, 'Sambucus nigra 'Eva' BLACK LACE', Plant Finder, taxon id 262947.
• Oregon State University, Department of Horticulture, 'Sambucus canadensis (American Elderberry)', Landscape Plants (College of Agricultural Sciences).
• Oregon State University, Department of Horticulture, 'Sambucus nigra (European Elder, Black Elder)', Landscape Plants (College of Agricultural Sciences).
• Royal Horticultural Society (RHS), 'How to grow Sambucus / RHS Growing Guide', Sambucus genus growing guide.
• Utah State University Extension, 'How to Grow Elderberry in Your Garden', Yard and Garden / USU Extension.
• Lowenstein, D. (2020), 'Growing elderberry in the garden', Michigan State University Extension, published 2020-01-27.
• Cornell University, Department of Horticulture, 'Elderberries (Sambucus spp.)', Cornell Fruit Resources, Minor Fruits.
• Thomas, A.L., Byers, P.L. & Ellersieck, M.R. (2009), 'Productivity and Characteristics of American Elderberry in Response to Various Pruning Methods', HortScience 44(3): 671-677.
• Finn, C.E., Thomas, A.L., Byers, P.L. & Serce, S. (2008), 'Evaluation of American (Sambucus canadensis) and European (S. nigra) Elderberry Genotypes Grown in Diverse Environments and Implications for Cultivar Development', HortScience 43(5): 1385-1391.
• Thomas, A.L., Byers, P.L., Avery, J.D. Jr, Kaps, M. & Gu, S. (2015), 'Horticultural Performance of Eight American Elderberry Genotypes at Three Missouri Locations', Acta Horticulturae 1061: 237-244.