Elder
Sambucus nigra
At a Glance
| Botanical name | Sambucus nigra |
|---|---|
| Common name(s) | Elder |
| Family | Viburnaceae |
| Plant type | shrub (deciduous) |
| Height × Spread | 300–1000 cm × — |
| Hardiness | H6 (to -20.0 °C) |
| Position | Full sun, Partial shade |
| Soil | moderately fertile, humus-rich, moist but well-drained soils; also thrives on extremely chalky sites; tolerates wet and dry soils; not prone to waterlogging |
| Flowering | May–July |
| Toxicity | Harmful if eaten, fruit/flowers edible if cooked. Wear gloves and other protective equipment when handling |
| Native range | Europe as far east as Turkey; native in British Isles |
Elder (Sambucus nigra) is a large, fast-growing deciduous shrub or small tree native to the UK and most of Europe. It is one of the most familiar features of the British countryside in early summer, when its broad, flat-topped clusters of creamy-white flowers cover hedgerows, woodland edges and waste ground. Every part of the plant has a traditional use: the flowers for cordial and champagne, the ripe berries for jam, syrup and wine, and the hollow stems for whistles, pea-shooters and rustic crafts. Given a little space and a light hand with the secateurs, it is one of the easiest and most rewarding native plants to grow in a British garden.
Overview
Sambucus nigra belongs to the family Adoxaceae (it was reclassified from Caprifoliaceae in the early 2000s) and is the common elder of lowland Britain. It typically grows as a multi-stemmed shrub 4–10 m tall with a broad, arching crown, though it can be trained as a small standard tree by removing lower shoots. It is fully hardy across the UK, tolerates a wide range of soils including heavy clay, and is exceptionally valuable to wildlife: its flowers are magnets for bees and hoverflies, and its autumn berries are eaten by blackbirds, thrushes, robins and several small mammals.
Elder is best treated as a large, informal shrub. It is vigorous — young plants can put on 1.5 m of growth in a single season — and benefits from regular pruning to keep it productive and within bounds. A single mature bush can yield several kilograms of flowers in June and a similar weight of berries in September.
Appearance
Elder forms a rounded, often untidy shrub with several main stems arising from or near ground level. The bark is grey-brown and becomes corky and deeply fissured with age; young shoots are smooth, slightly glaucous and famously easy to snap, revealing the soft, white pith at the centre that gives the stems their traditional use as whistles and pea-shooters.
Leaves are pinnate, 15–30 cm long, with five to seven oval leaflets arranged in opposite pairs with a single terminal leaflet. Each leaflet is 4–9 cm long, dark green, with a finely serrated margin and an asymmetrical base. The foliage has a distinctive, slightly unpleasant smell when crushed — a useful identification feature in winter or early spring before the flowers appear.
Flowers appear from late May into June, earlier in the south and later in the north and at altitude. They are tiny (around 5 mm across), creamy-white, strongly perfumed, and carried in dense, flat-topped corymbs (umbel-like clusters) that can reach 20 cm across. Pollinated flowers develop into drooping clusters of small drupes 6–8 mm across; these ripen from green through red to glossy black-purple in late August and September.
Growing Conditions
Elder is undemanding and will grow almost anywhere in the UK except deep shade or permanently waterlogged ground.
- Soil: Most fertile to moderately fertile soils, including clay, loam and chalk. It tolerates a wide pH range and is one of the better shrubs for damp, heavy ground where other species sulk.
- Light: Full sun gives the heaviest flower and fruit crops, but elder flowers reliably in light or partial shade — useful for the back of a mixed border or a north-facing edge.
- Moisture: Prefers moisture-retentive soil but, once established, is reasonably drought-tolerant through normal British summers. It will not survive prolonged winter waterlogging around the roots.
- Exposure: Fully hardy in all UK regions, including exposed sites in the north and at modest altitude. Coastal gardens are fine; salt-laden wind may scorch the leaf tips but the plant recovers.
- Native habitat: Hedgerows, woodland edges, derelict land, scrub and riverbanks. It is a coloniser of disturbed ground and is one of the first shrubs to appear on newly cleared sites.
Planting and Care
Plant bare-root specimens between November and March, when dormant, and container-grown plants at any time the soil is workable. Dig a hole wider than the rootball, tease out circling roots, plant at the same depth as the nursery mark, and water in well. For a single specimen allow 3–4 m of space in all directions; for a wildlife hedge set plants 2–3 m apart in a staggered double row.
Watering is important only in the first year. Water weekly during dry spells until the plant is established; after that, supplementary watering is rarely needed.
Feeding is optional. A mulch of well-rotted garden compost or manure in late winter is usually sufficient, especially on poor soils. Over-feeding produces lush leafy growth at the expense of flowers.
Pruning is the main task. Elder flowers and fruits on the previous season's wood, so the traditional coppice-style cut works well: every two to three years, in late winter (February or early March, before buds break), remove roughly a third of the oldest, thickest stems right down to ground level. This keeps the shrub vigorous, prevents it from becoming leggy, and produces a steady supply of straight, pithy stems for crafts. For a small garden, a single hard cut to within 30 cm of the ground every spring will keep a named cultivar compact and productive, at the cost of one season's flowers.
Propagation is straightforward. Hardwood cuttings of 25–30 cm taken in autumn and pushed two-thirds deep into a spare patch of ground root readily over winter and can be lifted the following autumn. Softwood cuttings root in summer under a propagator. Seed can be sown in autumn after a period of cold stratification, but seedlings will not come true to a named cultivar.
Seasonal care is minimal. Watch for aphids on the young shoots in late spring; they rarely need treatment. Net the bushes if you want to harvest ripe berries for the kitchen, because blackbirds will strip them within days once they colour up. Mulch in late winter and renew any stakes on standards.
Common Problems
Elder is a notably healthy plant in British gardens, but a handful of issues are worth knowing.
- Elder aphids (Aphis sambuci): Black or green aphids cluster on the tips of young shoots and on the developing flower buds in May and June. Heavy infestations can make the flower clusters sticky and sooty with honeydew, but they rarely affect the harvest. Encourage natural predators such as ladybirds, hoverflies and blue tits; only treat with an insecticidal soap if the infestation is severe.
- Coral spot (Nectria cinnabarina): A common fungal disease producing bright orange-pink pustules on dead or dying twigs. It is usually a secondary problem following drought, dieback or heavy pruning cuts. Cut affected wood back to healthy growth in dry weather and bin (do not compost) the prunings.
- Verticillium wilt: Occasional, but serious when it occurs. Symptoms are sudden wilting of shoots, often on one side of the plant, followed by branch dieback. There is no chemical cure; lift and destroy affected plants and avoid replanting susceptible species in the same spot.
- Powdery mildew: A white, dusty coating on the leaves during hot, dry late summers, particularly on plants grown in dry shade or under stress. Improve airflow by thinning congested growth, mulch in spring to keep roots cool, and remove infected leaves. Resistant cultivars such as 'Black Lace' are a good choice in mildew-prone gardens.
- Birds: Blackbirds, song thrushes, mistle thrushes and starlings take the berries from late August onwards. For most gardeners this is a benefit, not a problem; net the bush only if you want a guaranteed harvest for the kitchen.
- Toxicity: All green parts of the plant, including unripe berries, fresh leaves and the bark, contain compounds that can cause nausea and digestive upset if eaten raw. Ripe, cooked berries and freshly opened flowers are safe and have a long culinary tradition.
Popular Varieties
The species itself is an excellent garden plant, but several cultivars offer darker, finely cut or variegated foliage at the cost of slightly slower growth.
- 'Black Lace' (syn. 'Eva'): The most popular of the dark-leaved elders, with finely dissected, almost Japanese-maple-like foliage in a deep burgundy-black and the usual pink-flushed elderflower corymbs in June. Grows to 3–4 m and tolerates hard annual pruning. Excellent in a mixed border or as a small specimen. Possibly the best all-round cultivar for ornamental use, and noticeably resistant to powdery mildew.
- 'Black Beauty' (syn. 'Gerda'): Similar in size and habit to 'Black Lace' but with broader, less divided leaflets in a dark purple-bronze, and a stronger pink tint to the flowers. The flower heads are larger and somewhat heavier than those of the species, which makes them good for cordial. Grows to 3–4 m.
- 'Marginata' (syn. 'Aureomarginata'): A traditional variegated form with leaves edged and splashed with bright golden-yellow. Slower growing than the species, reaching around 3 m, and best planted in light shade where the golden edges do not scorch in strong sun. A useful bright accent in a wildlife or mixed shrub border.
- 'Laciniata' (syn. 'Sambucus nigra f. laciniata'): A heritage form with finely cut, almost fern-like green leaflets. Slower and more graceful than the species, reaching 2.5–3 m. Long cultivated, often seen in old cottage gardens and an excellent companion for roses and hardy geraniums.
Several golden-leaved forms, marketed as 'Aurea' or 'Golden Tower', are also offered by UK nurseries; naming is inconsistent between growers, so it is worth checking the plant in leaf before buying if the precise form matters.
Pests and Diseases
| Problem | Symptoms | Management |
|---|---|---|
| Verticillium wilt | Leaves on individual branches turn yellow, wither and die back while remaining attached. | Remove and burn affected wood immediately; avoid replanting elders in the same spot for several years. |
| Honey fungus | General decline, wilting foliage, and white fungal growth under the bark at the base of stems. | Improve soil drainage and remove infected roots; severe cases may require removing the plant. |
| Aphids | Clusters of small green or black insects on new shoots causing leaf curling and sticky honeydew. | Squash by hand, spray with water, or use insecticidal soap if infestations are heavy. |
| Glasshouse red spider mite | Fine webbing on leaves and stippled yellowing of foliage, especially in dry conditions. | Increase humidity by misting leaves and treat with horticultural oil or a miticide if necessary. |
| Elder leaf blotch | Large brown patches on leaves that may cause premature defoliation in severe cases. | Rake up fallen leaves to reduce spores and ensure good air circulation around the plant. |
Quick Care Summary
| Sunlight | Full sun, Partial shade |
|---|---|
| Soil | moderately fertile, humus-rich, moist but well-drained soils; also thrives on extremely chalky sites; tolerates wet and dry soils; not prone to waterlogging |
| Hardiness | H6 (-20.0 °C) |
| Sow | — |
| Plant | March, April, May, September, October, November |
| Prune | February–March |
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