How to Grow Elderberries in Pennsylvania

Elderberries are one of the most rewarding native shrubs you can grow in Pennsylvania. They’re vigorous, cold-hardy across all PA zones, and produce heavy clusters of dark berries by late summer — berries that make excellent syrup, jam, and wine.

They’re also forgiving. Elderberries thrive in the kind of moist, clay-heavy soils that frustrate other fruit plantings. You don’t need perfect drainage. You don’t need elaborate trellising. What you do need is two plants for cross-pollination, a pruning routine, and a plan for getting to the berries before the birds do.

This guide covers everything from planting through harvest, with Pennsylvania-specific timing for zones 5a through 7a.

Choosing the Right Site

Elderberries are native to Pennsylvania and grow naturally along stream banks, woodland edges, and roadsides. They do best in full sun but are one of the few fruiting shrubs that will still produce in partial shade (4–6 hours).

They tolerate poor drainage better than most fruits, but they don’t want standing water. A low-lying spot that stays damp is fine. Avoid planting near black walnut trees — elderberries are somewhat sensitive to juglone.

Soil Preparation

Pennsylvania soils tend toward clay-heavy and slightly acidic, which suits elderberries well. Target pH 5.5–6.5. Work the planting area to about 12 inches deep and incorporate several inches of compost. Test your soil before planting — Penn State Extension offers soil testing for about $10.

Planting

Spring planting works well in PA — aim for mid-April once the ground thaws and nighttime temps stay above freezing. Fall planting is also viable; plant in September so roots can establish before hard frost.

PA Region	Last Frost	Spring Planting	Fall Planting Deadline
Western PA (Zone 6a)	Apr 20–May 5	Mid–Late April	Mid-October
Central PA (Zone 5b–6a)	May 1–10	Late April–Early May	Early October
Eastern PA (Zone 7a)	Apr 1–15	Early–Mid April	Late October
Northern PA (Zone 5a)	May 10–20	Mid May	Late September

Watering

Elderberries need consistent moisture, especially in the first two years. Once established they’re fairly drought-tolerant but will drop fruit set in extended dry spells.

• First season: 1–1.5 inches per week, deeply rather than frequently.
• Established plants: Natural rainfall is usually sufficient in PA. Supplement during dry July–August when berries are sizing up.

Fertilizing

Elderberries are light feeders. Too much nitrogen produces lush canes with poor fruit set. Apply a balanced granular fertilizer (10-10-10) in early spring at the drip line — about 1–1.5 cups per established plant. That’s it for the season. If canes are growing 4–6 feet per year and berries are producing well, skip fertilizing entirely and let compost do the work.

Pruning

Pruning is the most important maintenance task for elderberries. The goal is to keep the plant producing on second- and third-year canes, which are the most productive wood.

Elderberry cane ages:

• Year 1 (green canes): Establishment — little to no fruit.
• Year 2 (brown canes): Good fruit production. These are your primary producers.
• Year 3 (gray canes): Still productive but beginning to decline in vigor.
• Year 4+ (old, woody canes): Remove these. They produce less fruit and take energy from the younger canes.

Pruning schedule:

• Late winter (February–March): Main pruning time. Remove all canes that are 4+ years old at ground level. Keep 3–5 of the most vigorous 1- and 2-year canes per plant. Cut any dead, damaged, or crossing canes.
• Summer: Remove any winter-killed tips back to healthy wood. Cut out borer-damaged canes immediately below the entry point.

Pest and Disease Management

Elderberries have relatively few serious pest problems in Pennsylvania, but a few issues are worth watching for.

Pest/Disease	Signs	PA Timing	Management
Elderberry borer	Wilting canes, frass at entry holes	July–August	Cut below entry point; dispose of canes
Aphids	Distorted new growth, sticky residue	May–June	Strong water spray; insecticidal soap if heavy
Powdery mildew	White coating on leaves	Late summer	Improve air circulation; fungicide if severe
Leaf spot	Brown or yellow spots on leaves	Midsummer	Remove affected leaves; avoid overhead watering
Birds	Stripped berry clusters	August–September	Netting over plants during ripening

Harvest

Elderberries ripen in Pennsylvania from mid-August through September, with timing varying by zone and variety. Harvest entire clusters — the corymbs — when all or nearly all berries in the cluster are deep purple-black. Individual berries that still show any red are underripe.

Cut the stem at the base of each cluster with scissors or pruners. Don’t try to pick individual berries in the field — it’s tedious and unnecessary. Instead, bring clusters inside and use a fork to strip berries from stems over a bowl.

Using Your Harvest

Freshly harvested elderberries are highly perishable — refrigerate and use within a few days, or freeze immediately. Frozen elderberries hold quality for 12+ months and are easy to work with for syrup and wine.

Most common uses: elderberry syrup (immune support), elderberry jam, elderflower cordial (harvested in June from the flower clusters), and elderberry wine. The flowers — harvested in late May to early June in PA — are edible and make excellent fritters and cordials.

Frequently Asked Questions