Crop guide · The blueberry and heath family

How to grow Lingonberry

A low evergreen shrub that spreads into a glossy mat and ripens tart scarlet berries in late summer.

Vaccinium vitis-idaea · also called Cowberry, Mountain cranberry

Full sun Intermediate Frost-hardy
Sun
Full sun
Give afternoon shade where summer days regularly top 85 °F (29 °C)
Frost
Hardy
Survives hard frost and deep cold. Open flowers can be lost to a late spring freeze
Spacing
12 in
30 cm between plants
Sow depth
¼ in
6 mm
To harvest
730–1095 days
counted from transplant
Timing

When to plant Lingonberry

Spring
Transplant

Set out potted plants as soon as the ground thaws, about 4 weeks before last frost.

Fall
Transplant

Early fall, at least 6 weeks before the ground freezes.

Too late?Stop planting once nights drop below freezing in fall — roots need 6 weeks to settle before the ground locks up.
Background

Why grow Lingonberry

One planting gives decades of fruit plus year-round evergreen cover for the front of an acid-soil bed. The berries hold their tartness and firmness far better in storage than most soft fruit.

A little history. An evergreen dwarf shrub of northern forests and tundra. It creeps by underground stems, and its fine roots depend on soil fungi that only function in strongly acid ground.

The season, step by step

From planting to harvest

Transplant outside

4 weeks before last frost

Either — needs 8–12 in of acid, peaty, well-drained soil with no lime nearby. In containers: 5-gallon pot or a wide 12-in-deep trough. Space plants 12 inches (30 cm) apart.

Water and feed

All season

Water twice a week in warm weather; shallow roots dry out fast. Water when the top inch of mulch and soil feels dry. Aim for about 1 inch per week including rain.

Feed lightly once in early spring; skip the rest of the year. What to use: half rate of an acid-loving plant fertilizer, or a fresh top-up of pine bark mulch.

Prune and maintain

As it grows

Little needed for the first 3 years. After that, shear off about a third of the oldest stems in early spring to bring on new fruiting shoots, and pull out dead wood.

Harvest and store

730–1095 days from transplant

It's ready when berries are firm, glossy, and evenly deep red top to bottom, with no pale shoulder. Flavor stays tart; fruit gets softer, not sweeter, if left too long. Roll clusters off between thumb and finger, or comb through the mat with a wide berry rake held low. Pick a whole section at a time, then sort out leaves and green fruit on a tray.

Fresh berries keep 4–8 weeks in a covered container in the fridge. Freeze loose on a tray, then bag, for a year.

Companions

Good neighbours, bad neighbours

Plant it with

Blueberry

Both want the same strongly acid, peaty, well-drained ground, so one bed serves both. The lingonberry mat shades the blueberry's shallow surface roots and crowds out weeds that would otherwise need hoeing.

Blueberry - Rabbiteye

In warmer gardens the taller rabbiteye bushes cast light afternoon shade the heat-shy lingonberry appreciates, while the low mat holds soil moisture around the bushes' surface roots.

Oregon Grape

Both are evergreen woodland shrubs content in acid soil and part shade, and they root at different depths so they are not fighting for the same water. Together they give a fruiting understory that stays furnished all winter.

Honeyberry

Honeyberry blooms very early and keeps bumblebees working the bed before lingonberry opens, so pollinators are already on site when its small bell flowers appear. Bumblebees are the main pollinator for both.

Heather

Heather demands the same acid, lean, sharply drained soil and stays low, so it shares the bed without shading the fruit. Its late flowers extend the nectar supply for the same bumblebees that pollinate lingonberry.

Keep it away from

Peppermint

Mint runs underground and will thread straight through a low lingonberry mat, and you cannot pull it out without tearing up the berry plants' shallow roots. Grow mint in a sunk pot or a separate bed well away.

Comfrey

Comfrey's broad leaves and deep taproot out-muscle a 6-inch evergreen mat for both light and water within a season. Use its cut leaves as mulch by all means, but keep the plant itself out of the berry bed.

Cabbage

Cabbage-family beds are usually limed toward neutral, fed heavily, and dug over each year — all three work against lingonberry, which needs undisturbed, unlimed, strongly acid ground. Test soil before liming anywhere near the berry bed.

Asparagus

Asparagus wants near-neutral, richly fed soil and throws up tall ferny growth that shades a low mat all summer. The two crops cannot be kept happy in one bed.

See Lingonberry in the full companion chart →

Crop rotation

After this crop

Rotation

A perennial — it holds its spot for years, so it sits outside the annual rotation.

A permanent perennial planting — no rotation applies, and no family gap is needed. Site it where the bed can stay acid and undug for a decade or more; each spring renew pine bark or needle mulch rather than turning the soil, and keep lime and wood ash out of the area.

Trouble to watch for

Pests and diseases

Pests

Birds

Sign
Ripening berries stripped from the outer edges of the mat, often overnight.
Fix
Drape bird netting on hoops once berries begin to color, keeping it off the foliage.

Black vine weevil

Sign
Notched leaf edges in summer; plants wilt and pull up easily with chewed roots, worst in pots.
Fix
Repot in fresh mix and drench with beneficial nematodes in late summer when soil is above 55F.

Aphids

Sign
Clusters on new shoot tips, curled young leaves, sticky film on older leaves.
Fix
Rinse shoot tips with a strong water spray twice a week; leave ladybugs and lacewings alone.

Spotted wing fruit fly

Sign
Soft dimples on ripe berries; tiny white larvae inside fruit picked slightly late.
Fix
Pick every 3 days once fruit colors and chill or freeze the harvest the same day.

Diseases

Gray mold

Sign
Browned flowers and fuzzy gray growth on berry clusters during cool, wet bloom weather.
Prevent
Thin crowded stems for airflow, water at soil level, and clip off blighted clusters promptly.

Root rot

Sign
Shoots stunted, leaves dull red-brown out of season, roots dark and mushy in soggy ground.
Prevent
Plant in raised, sandy-peaty ground that drains fast; never let the bed stand wet.

Leaf spot

Sign
Small reddish or pale spots on evergreen leaves, heaviest on the lower, shaded parts of the mat.
Prevent
Rake out fallen leaves and berries each fall, and avoid overhead watering late in the day.
FAQ

Common questions about Lingonberry

When should I plant Lingonberry?
Spring: set out potted plants as soon as the ground thaws, about 4 weeks before last frost. Fall: early fall, at least 6 weeks before the ground freezes.
How long until Lingonberry is ready to harvest?
730–1095 days, counted from transplant. It's ready when berries are firm, glossy, and evenly deep red top to bottom, with no pale shoulder. Flavor stays tart; fruit gets softer, not sweeter, if left too long.
Can I grow Lingonberry in a container?
Either — needs 8–12 in of acid, peaty, well-drained soil with no lime nearby. In containers: 5-gallon pot or a wide 12-in-deep trough.
How often should I water Lingonberry?
Water twice a week in warm weather; shallow roots dry out fast. Water when the top inch of mulch and soil feels dry.
How should I store Lingonberry after harvest?
Fresh berries keep 4–8 weeks in a covered container in the fridge. Freeze loose on a tray, then bag, for a year.
Can Lingonberry stay in the ground over winter?
Fully hardy where snow covers the mat. In bare-ground winters, lay evergreen boughs or a 2-in pine needle layer over plants to stop the leaves drying out.

Verdie turns this guide into your plan

Set your garden's location and every window above becomes a real date — then Verdie reminds you when it's time to sow, transplant, water, and pick.

Download on the App Store
Free to download · iPhone & iPad