What are lingonberries?
Lingonberries (Vaccinium vitis-idaea) are a low, evergreen, berry-bearing shrublet that grows wild in Swedish forests. In early summer it produces small white or pink, urn-shaped flowers, and later develops red, tart berries in late summer. As a wild-growing berry, lingonberries are considered one of our most important berries – lingonberry jam, for example, is a classic accompaniment to many traditional dishes. For anyone interested in growing, it is absolutely possible to plant your own lingonberry plants at home. The lingonberry plant grows only about 10–30 cm tall and spreads as a groundcover via runners and root shoots. It is an excellent choice in the garden as a decorative and edible plant that also offers beautiful autumn colours and glossy green leaves all year round.
Growing lingonberries is inspiring even for beginners. Because lingonberries thrive in our Nordic climate and tolerate frost well, they can be grown in large parts of Sweden. Cultivated lingonberry varieties (for example, garden-bred cultivars) usually produce larger berries and a longer harvest period than wild lingonberries. With the right soil conditions and a little care, you can soon enjoy your own lingonberry harvest in the garden, on a balcony, or in a raised bed. Imagine being able to pick a few sun-ripened lingonberries for your breakfast yoghurt straight from your own plants – practical and fun!
How to plant
You can plant lingonberries in the ground in the garden, in a pot, or in a raised bed/planter. No matter which method you choose, it is important to start with the right soil and location to give the plants a strong start. Ideally, plant in spring or early autumn, so the plants have time to establish before it becomes too hot or too cold. Begin by getting one or more lingonberry plants (small shrubs) from a nursery or garden centre – these are usually easier to succeed with than trying to grow lingonberries from seed.
Planting in the ground: Choose a site with well-drained, acidic soil (i.e. low-lime soil with a low pH). If your garden soil is clay-heavy or rich in lime, improve it by mixing in plenty of peat and sand, or, even easier, fill the planting hole with purchased rhododendron soil (soil formulated for acid-loving plants). Dig a hole that fits the plant’s root ball and set the plant so the soil surface around it is level with the surrounding ground. If planting several plants, space them about 25 to 30 cm apart so they have room to spread. Water thoroughly right after planting. It is also beneficial to mulch around the plants with bark, peat mulch, or pine needles to retain moisture and suppress weeds.
Planting in a pot: Lingonberries thrive in containers as long as the pot is large enough. Choose a spacious pot or bucket (preferably around 10 litres or more) with drainage holes in the bottom. Add a layer of expanded clay pellets or gravel for drainage so excess water can escape. Then fill the pot with rhododendron soil. You can mix in a small amount of well-rotted manure or compost to add nutrients, but avoid standard potting compost with fertiliser that may be too lime-rich. Plant one or a couple of lingonberry plants in the pot (they can be planted closer than in the ground, but leave a few centimetres between them so they can spread). Water generously after planting so the soil settles. Top with bark mulch on the soil surface – this helps retain moisture and keeps the pH low. The pot can remain outdoors year-round because lingonberries are winter-hardy, but note that a large pot insulates roots better against cold and winter drying than a small one.
Planting in a raised bed/planter: A raised bed or planter box is a practical option for lingonberries, especially if your existing garden soil is unsuitable. Place the bed in a sunny to partially shaded location. If the bed sits on weedy ground, line the bottom with weed membrane, then fill the box with a mix of rhododendron soil, sand and peat to create a loose, acidic growing medium. Plant the lingonberries as you would in the ground, with about 25 cm spacing. A standard raised bed (around 120×80 cm) can fit several plants; over time they will grow together into a nice low carpet. Water after planting and add a layer of bark mulch or peat mulch on top. The raised bed keeps the soil contained and makes it easy to tailor the soil mix, which lingonberries appreciate.
After planting, no matter the method, water is your newly planted lingonberry’s best friend. Water consistently during the initial period so the roots never dry out before they are established. Especially in spring and summer, when it is sunny and dry, keep the soil moist (but not waterlogged).
Care and placement
Light and location: Lingonberries do best in sun or partial shade. In full sun, yields are often higher, but it becomes extra important to keep the soil moist. Partly shaded spots, such as along the edge of a woodland garden or under light, open trees, mimic the lingonberry’s natural habitat and work well as long as the soil is acidic and humus-rich. Avoid deep shade under large trees or fully exposed south-facing sites without irrigation – moderate sun and shade is ideal. Also choose a relatively sheltered spot; while the plant tolerates cold, cold dry winds can dry it out in late winter/early spring when the ground is frozen.
Soil and nutrition: For lingonberries to thrive, the soil must be low in lime and rich in organic matter. If you are unsure, check the pH – it should be around 4–5. If growth is poor or leaves yellow, the soil may be too alkaline; in that case, add more peat or a specialist fertiliser for acid-loving plants. In general, lingonberries are relatively sensitive to strong fertilisers and high salt levels. Avoid standard manure or strongly nitrogen-rich soil, as lingonberries dislike high nutrient salt levels and these can raise the pH. Use rhododendron fertiliser or a berry fertiliser in small amounts instead. Usually, a light feed once in spring is enough; too much fertiliser can reduce flowering and berry set. Adding a little fresh rhododendron soil or lime-free compost each year can also provide nutrients without raising pH.
Water and moisture: Lingonberries have fairly shallow roots that can dry out quickly if the soil becomes too dry, especially in pots. Keep the soil evenly moist, but avoid standing water. Water regularly during warm periods and make sure excess water can drain away (particularly in pots and raised beds). Mulching with bark, sawdust, straw or peat mulch helps significantly – it retains moisture and prevents weeds. Mulches like bark and wood chips also lower pH as they break down, which benefits lingonberries. Note that if you mulch with materials that bind nitrogen (such as sawdust or chips), you may need to add a small amount of extra nitrogen the following year, but lingonberries usually manage well without heavy feeding.
Pruning and general maintenance: One advantage of lingonberries is that they do not require regular pruning. The plants keep themselves naturally compact. You can remove any dry or damaged stems in spring to freshen the plant up. Because lingonberries spread by runners and root shoots, you can limit their spread by removing shoots that grow beyond the area you want them to cover. In pots, it can be useful to divide and repot the plants after a few years if the container becomes completely filled, but otherwise they do not need frequent replacement.
Protection and problems: Lingonberries are generally hardy and easy to care for, with few pests or diseases. Aphids or other insects may appear occasionally, but serious infestations are uncommon. If you spot aphids, you can rinse the plants with lukewarm water. A bigger threat to young plants is browsing animals: hares and roe deer may nibble on lingonberry shoots. If you live in an area with lots of wildlife, protect newly planted small plants with fleece or netting, especially in winter when natural food is scarce. Once established, plants usually cope better. Finally, watch out for weeds – remove weeds regularly around lingonberries, as they compete poorly against tall growth. Mulching (bark, peat, etc.) greatly reduces weed pressure.
Tips and frequently asked questions
Growing lingonberries is easy as long as you remember a few basics: acidic soil, a balance of sun and shade, and steady moisture. Here are some common beginner questions and answers:
Can you grow lingonberries in a pot on a balcony? Yes, lingonberries grow very well in pots, including on a balcony or terrace. Make sure the pot is large enough and filled with suitable acidic soil (such as rhododendron soil). Place it where it receives at least a few hours of sun per day. Remember that pots dry out faster than ground beds, so water regularly. Lingonberries are winter-hardy and can stay outdoors year-round, but in colder regions you can insulate the pot in winter (for example by wrapping it in bubble wrap or placing it in a sheltered spot) to prevent roots from freezing too hard.
Do you need more than one lingonberry plant for pollination? Lingonberries can produce berries with just one plant, but you usually get a much better harvest if you have at least two different varieties near each other. Cross-pollination between different cultivars increases the number of flowers that set fruit. If possible, plant two or more plants of different varieties (or add a few runners of wild lingonberries if available, and let them grow alongside your cultivated variety). If space is limited, two plants in the same area is often enough to notice a difference in yield.
When is the best time to plant lingonberries? Spring is usually the best time, because the soil is workable and the plants have a full growing season to establish roots before winter. You can also plant in late summer or early autumn when the heat has eased, as long as the soil is still warm. Avoid planting in the hottest, driest part of summer, or in mid-winter when the ground is frozen. If you buy potted lingonberry plants, you can plant them at almost any time during the growing season, but the warmer it is, the more watering and care they require.
Do you need to prune lingonberry plants? No – unlike many other berry shrubs, lingonberries do not need regular pruning to produce a crop. The plant is low, woody and slow-growing. Older stems may carry fewer leaves and berries over time, but instead of pruning, you can let new, healthy shoots gradually take over. If a stem dies or looks scruffy, you can of course remove it, but no major cut-back is necessary. Lingonberries largely take care of themselves, which makes them very low maintenance.
When can you harvest?
Lingonberry season is usually in late summer and early autumn. The first berries often begin to ripen in August and are harvested through August–September, sometimes into October depending on where you live and which variety you grow. The flowers appear in May or June, and around 2–3 months after flowering the berries are bright red and ready to pick. Cultivated varieties may sometimes have a prolonged ripening period where not all berries ripen at once – this can be an advantage because you can harvest in batches over several weeks.
You can tell the berries are ripe when they have an even red colour and detach easily when picked by hand. The flavour is then pleasantly tart and fresh. Pick carefully; if you have many plants, you can use a berry picker (a scoop/comb commonly used for blueberries and lingonberries) to speed up harvesting. Beginners with just a couple of plants can easily pick by hand.
Homegrown lingonberries can be used just like wild lingonberries. Eat them fresh if you enjoy the sharp flavour, or cook something delicious. The most common use is to make lingonberry jam, lingonberry cordial or jelly. You can also freeze the berries whole; they keep very well in the freezer and can be taken out as needed. Thanks to the lingonberry’s natural preservative (benzoic acid), they can also keep in the fridge for a short period without sugar. Whatever you do with the harvest, it is a special feeling to enjoy your own homegrown lingonberries. Over time, as your plants spread and perhaps multiply, harvests can become larger year after year. Try to pick the berries in time in autumn before hard frost arrives – a few light frosts will not harm the berries, and some people even feel the flavour becomes milder after the first frost.
Once you have harvested your lingonberries, do not forget to care for the plants for the next season. Remove withered leaves around the plants and, if you like, add a little fresh peat mulch or rhododendron soil in autumn as mulch and gentle nutrition. Lingonberry plants are perennial and return year after year, so with good care you can enjoy your lingonberry patch for a long time. Good luck with your growing and enjoy your own red forest treasure!