When to plant elderberries in Cottage Grove, OR

Plant elderberry shrubs in Cottage Grove Mar 13 – May 8.

Easy Plant bare-root or potted shrubs

Difficulty: Easy
Sun: Full sun to part shade
Spacing: 6 to 8 feet apart
Planting depth: Same depth as in the pot
Frost: Hardy perennial; comes back every year
First harvest: Some berries in year two; full crops from year three

Why these dates

Cottage Grove's typical last spring frost is April 24. As a hardy perennial, this crop can go in about 6 weeks before that.

West-side valleys. The Willamette Valley, Puget Sound and southern Oregon valleys. Long frost-free seasons, but soil stays cold and wet into May, so warm crops wait for warm soil, not just the last frost.

How to grow elderberries in Cottage Grove

Pick a sunny spot with soil that drains well, and mix in an inch or two of compost.
Plant elderberry shrubs Mar 13 – May 8, 6 to 8 feet apart. Same depth as in the pot.
Plant two varieties for better crops. Water through the first summer, and cut out old, weak canes in late winter to keep the shrub productive.
Harvest: Cut whole clusters when nearly all the berries are dark and soft. Strip the berries off the stems and cook them before eating.

Key numbers

6–12 feetShrub size
Most, even dampSoil
Year 2–3First crops
Raw berries and stemsBiggest risk

Growing notes

What makes the difference in Northwest gardens, in plain language.

Which elderberries to grow

Blue elderberry is native across much of the Northwest, from sunny west-side valleys to the dry east side, and its berries are the edible kind when cooked. American and European elderberry varieties like York, Adams and Nova are bred for bigger fruit clusters and grow well on both sides of the Cascades. Red elderberry, the common native on the west side, is lovely for birds but its berries are not for eating.

Safety in the kitchen

Elderberry leaves, stems, roots and unripe berries contain compounds that can cause nausea and vomiting. Strip ripe berries off every bit of stem (freezing the clusters first makes it easy), and always cook them into syrup, jam or pie. The flowers are also edible and make a classic cordial.

Planting and care

Elderberries are fast, tough shrubs that tolerate damp soil, some shade and neglect. Plant two varieties for better crops, water through the first summer and keep mulch around the shallow roots. Canes fruit best in their second and third years; cut out older ones at ground level in late winter. They spread by suckers, so give them room or mow around them.

Common questions

When is the last frost in Cottage Grove, OR?

Typically April 24. In 9 years out of 10, frost is over by May 10. These are 1991–2020 NOAA climate normals for Cottage Grove.

Is it too late to plant elderberries in Cottage Grove?

The spring planting window runs through May 8. Potted plants can still go in later if you water them faithfully through their first summer. Fall planting also works well here.

How long until I can pick elderberries?

Some berries in year two; full crops from year three. Cut whole clusters when nearly all the berries are dark and soft. Strip the berries off the stems and cook them before eating.

Can you eat raw elderberries?

No. Raw berries can cause stomach upset. Cook them first, and remove all stems and leaves.

Is the native red elderberry edible?

Its berries are not recommended for eating. Grow blue elderberry or a fruiting variety like York or Adams if you want berries.

Do I need two elderberry plants?

Most set some fruit alone, but you'll get much bigger crops with two different varieties planted near each other.

Also plant in Cottage Grove around the same time

Planting dates for elderberries in nearby areas

Salem, OR Mar 1 – Apr 26
Eugene, OR Mar 1 – Apr 26
McMinnville and Newberg, OR Mar 4 – Apr 29
Corvallis and Albany, OR Mar 1 – Apr 26
Portland, OR Mar 1 – Apr 26
Gresham, OR Mar 1 – Apr 26

Full planting calendar for Cottage Grove · Elderberries in every city