Shrub · Ericaceae
Lingonberry
Vaccinium vitis-idaea
Give it acidic soil, full sun, and steady moisture, and this low evergreen carpet hands you two crops of tart red berries a year.
Full sun
Every 3–5 days
USDA 2–7
4–16 in · 10–40 cm
Overview
Lingonberry is a low, spreading evergreen from the heath family, the same clan as blueberries and rhododendrons. It grows wild across the cold north, hugging the ground at just 4 to 16 inches (10 to 40 cm) tall while its underground runners knit a dense, glossy-leaved mat. The small bell-shaped flowers give way to bright red berries with a sharp, tart bite that mellows in the kitchen.
What sets it apart is its taste for acid. These plants will only thrive in acidic, well-drained ground, and they ask for the kind of peaty, sandy soil their wild cousins grow in. Get that right and you have a tough, hardy groundcover that shrugs off cold down to -40°F (-40°C) and stays green through the winter.
It is a patient plant rather than a fast one. The rhizomes creep outward season by season until they fill a bed, and European types reward the wait with two crops in a single year, one harvested in late summer and another in the fall.
Care
The short version: full sun, acidic and well-drained soil in the 4.0 to 5.5 range, and steady moisture that never dries out or turns soggy, with only a light feed now and then.
Light
Lingonberries fruit best in full sun, though they take partial sun and even light shade in stride. Push them into deep shade and you trade a heavy crop for a few scattered berries and slow, weak spread.
Water
Their roots are shallow and fibrous, so they want steady moisture every 3 to 5 days and never a bed that dries out or stays waterlogged. Where you can, water with rainwater or another low-mineral source, since hard tap water nudges the soil away from the acidity they need.
Soil
This is the part that makes or breaks the plant. Lingonberries need acidic, well-drained soil in the 4.0 to 5.5 range, sandy or peaty and rich in organic matter like peat moss and pine bark. Loose, acidic ground is what lets their fine roots feed.
Temperature
Few fruiting plants are tougher. Lingonberries take cold down to -40°F (-40°C) and grow happily up to about 77°F (25°C), which suits the cool northern climates they come from.
Humidity
Average humidity around 40% to 60% is plenty, so there's no need to fuss over the air. Steady soil moisture matters far more than what the air is doing.
Feeding
Go light. These plants need little feeding and are easily overdone, so a single low-rate spring application of an acidic, ammonium-based fertilizer made for rhododendrons or azaleas is all they ask. Too much feed does more harm than too little.
Pruning
Lingonberries need almost no pruning. Cut out dead or weak wood as you see it, and every few years shear or mow an old planting in early spring to clear woody stems and push fresh rhizome shoots and new fruiting wood.
Repotting
A container-grown plant wants a fresh acidic mix and a bigger pot every 2 to 3 years. Roots circling the pot, stalled growth, or soil that dries out the moment you water are the signs it has outgrown its home.
Size & spacing
Plants stay low, just 4 to 16 inches (10 to 40 cm) tall, but spread by rhizome to 12 to 24 inches (30 to 60 cm) across. Give each one room to run, since it will steadily fill the gaps to form a dense mat.
When to plant
Lingonberries are hardy and in no hurry. Set young plants out in spring as soon as the soil can be worked, look for blooms in spring with a second flush in midsummer on European types, and pick the berries in late summer and again in fall.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: Spring as soon as soil can be worked (about April to May); early fall in mild regions
- Harvest: Blooms in spring, and again in midsummer on European types; harvest late summer and again in fall (two crops per year on European types)
Hardiness
USDA hardiness zones: 2–7
Temperature: down to -46°C
Troubleshooting
Most lingonberry trouble traces back to soil that is too sweet or too wet, or a spot that is too shady. Read the early signs on the leaves and roots and you can correct course before the plant suffers. Match what you see below, then act while it still helps.
New plants wilting and dying back in wet ground
Lingonberry roots are shallow and fine, and they rot fast in soggy, heavy soil. Wet ground and dark, mushy roots point to root rot taking hold before the plant ever settles in. Plant in a raised bed cut with peat and sand, fix the drainage first, and hold back on the watering.
Fix:
- Plant in raised beds amended with peat and sand
- Improve drainage before planting
- Avoid overwatering
Yellow leaves with veins that stay green
This is chlorosis, and it means the soil has drifted too far above the acidic range lingonberries need. Once the pH climbs past 5.5, the roots can no longer pull iron from the ground, so the leaves pale between their still-green veins. Lower the pH with elemental sulfur or acidic peat, mulch with pine bark, and switch to an ammonium-based acidic feed.
Fix:
- Lower pH with elemental sulfur or acidic peat
- Mulch with acidic peat moss or pine bark
- Switch to an ammonium-based acidic fertilizer
Sparse flowers and berries on a plant that barely spreads
Too little light is almost always behind a shy crop. A plant sitting in deep shade puts out few flowers, sets little fruit, and is slow to fill its bed. Move it into full sun or only light shade, and thin back anything growing over the top of it.
Fix:
- Site in full sun to only light shade
- Thin overhanging vegetation
Toxicity
Good news on this one: the whole plant is safe. The tart red berries are a long-standing kitchen staple, and nothing in the leaves or stems is toxic to people, pets, or livestock. A nibbling pet is no cause for worry.
Safe for
People · Cats · Dogs · Horses · Rabbits · Livestock · Birds
Cats None
Nothing in the plant is toxic to cats. A curious nibble does no harm, though a big mouthful of leaves might bring on a little stomach upset that settles on its own.
Dogs None
Safe for dogs to be around. The berries are fine if one snatches a few, and the foliage carries no toxin worth worrying about.
Horses Safe
No concern for horses grazing nearby. Neither the low evergreen leaves nor the fruit hold anything that would trouble them.
Rabbits Safe
Rabbits can browse the plant without risk. The leaves and berries are safe, so a nibbled stem is nothing to act on.
Livestock Safe
Cattle, goats, and sheep can graze it freely. Lingonberry holds no toxin that affects ruminants.
Birds Safe
Birds eat the bright red berries in the wild and spread the seed, so backyard hens and wild birds alike are perfectly safe around it.
People Safe
The tart red berries are a kitchen favorite, eaten raw, cooked into sauce, or baked. Everything about the plant is safe to handle and the fruit is good to eat.
No special handling needed; ripe berries are edible and safe.
Varieties
Most named lingonberries are European selections bred for bigger berries and steady two-crop yields. These are the ones you are most likely to find.
Koralle
The most widely grown European type, a dependable heavy cropper that gives two flushes of bright red berries a year.
Red Pearl
A vigorous Dutch selection prized for its large fruit and strong, healthy growth.
Sussi
A Swedish cultivar that carries unusually large berries on neat, compact plants.
Regal
A University of Wisconsin selection with a more upright habit and reliably good yields.
Companions
Lingonberries do best beside other acid-loving plants that share their soil, and worst beside anything that competes for nutrients or wants sweeter ground.
Plant near
Blueberry (Vaccinium): Shares the same acidic, well-drained soil and moisture requirements
Rhododendron and azalea: Acid-loving ericaceous plants with similar culture
Keep apart
Lawn grasses: Compete for nutrients and prefer higher pH that harms lingonberry
How to propagate
Lingonberries spread on their own by underground rhizomes, which makes the easy methods very easy. You can divide an established clump, let a stem layer itself, root cuttings, or, with far more patience, start from seed.
DivisionEasy
Early spring before new growth · One season to establish
The simplest way to make more plants is to lift a clump in early spring, before the new growth starts, and split off rooted sections of rhizome. Each piece is an exact copy of the parent and settles into a new spot within a single season. The one catch is that division can carry disease along with the roots, so only divide healthy plants.
LayeringEasy
Spring to summer · One season
Lingonberries layer themselves. From spring through summer their creeping rhizomes and low stems root wherever they rest on moist ground, so you can pin a stem down, keep it damp, and lift a rooted plant in about a season.
Stem cuttingsModerate
Softwood in spring or semi-hardwood in late summer to fall · About 8-12 weeks to root; 2-3 years to fruit
Take softwood cuttings in spring or semi-hardwood ones from late summer into fall. They root in roughly 8 to 12 weeks, but be patient, since a cutting takes 2 to 3 years to bear fruit and tends to spread by rhizome more slowly than a divided plant, with lighter early yields.
SeedDemanding
After cold stratification · Several years to fruit
Growing from seed is the slow road and rarely worth it. The seed needs a cold spell to break dormancy, the seedlings creep along for several years before fruiting, and they don't come true to the parent plant.
Myths
Lingonberry and cranberry are the same plant.
They are close cousins but two different species. Lingonberry is Vaccinium vitis-idaea, a low evergreen subshrub, while the American cranberry is Vaccinium macrocarpon, a sprawling bog plant. They look and grow nothing alike once you set them side by side.
Lingonberries want acidic soil just because they like acid.
The acid itself isn't the point. Their roots and the fungi partnered with them only pull nutrients well in the 4.0 to 5.5 range, so once the pH climbs, the plant starves and yellows even with food in the ground.