Bilberry vs Blueberry: What's the Difference?
Short answer: Both are Vaccinium berries, but different species. Bilberry (Vaccinium myrtillus) is a small, wild European berry that's dark purple all the way through - its juice stains fingers and mouth - with an intense, tart-sweet flavour. Cultivated blueberry (mainly Vaccinium corymbosum) is larger, grows in tidy clusters on tall bushes, and has pale green-white flesh inside a blue skin, with a milder, sweeter taste. If the inside is stained purple, it's a bilberry.
| 🫐 Bilberry | 🫐 Blueberry | |
|---|---|---|
| Taste | Intensely sweet-tart and aromatic, more concentrated than a blueberry, with soft dark flesh that stains everything — fingers, teeth, and pastry — a deep inky purple. | Mildly sweet with gentle acidity and a floral, faintly piney note; the pop of the skin is half the pleasure. Wild/lowbush berries are smaller, tarter, and dramatically more flavorful than cultivated. |
| Type | Berry | Berry |
| Peak season | Summer | Summer |
| Origin | Europe and northern Asia | North America; domesticated astonishingly recently — the first cultivated crop shipped in 1916 |
| Calories (per 100 g) | 43 | 57 |
| Sugar (per 100 g) | 7 g | 10 g |
| Vitamin C (per 100 g) | 15 mg | 9.7 mg |
| Typical price | Premium | Mid |
Bilberries and blueberries look like the same berry at a glance, and they’re genuinely close - both Vaccinium - but a European bilberry and a supermarket blueberry are different species with a giveaway difference inside.
The bilberry (Vaccinium myrtillus) is a small, wild berry of European heaths, moors, and woodlands, gathered rather than farmed. Its skin is dark blue-black and, crucially, its flesh is deep purple-red all the way through, so it stains fingers, teeth, and clothing instantly. The flavour is intense - tart, sweet, and wine-like - and it goes into pies, jams, and cordials across Northern and Eastern Europe.
The everyday blueberry (chiefly Vaccinium corymbosum, the North American highbush) is bred for the fruit bowl: larger, borne in generous clusters on tall bushes, with blue skin but pale green-white flesh that hardly stains. It’s milder and sweeter, ideal for eating fresh by the handful, in muffins, and in pancakes.
The simplest test settles it: crush one - purple through and through means bilberry; pale inside means blueberry. Bilberry for wild intensity; blueberry for sweet, plentiful, easy eating.
Frequently asked questions
How can I tell a bilberry from a blueberry?
Cut or crush one. A bilberry is deep red-purple throughout and stains everything it touches. A cultivated blueberry has pale, almost white-green flesh inside its blue skin and barely stains. Bilberries are also smaller and grow singly or in pairs, not in the large clusters typical of blueberry bushes.
Are they the same plant grown differently?
No - they're separate Vaccinium species. Bilberry (V. myrtillus) is a low, wild shrub of European heaths and woodlands, harvested from the wild. The common cultivated blueberry (V. corymbosum) is a North American highbush species bred for size and yield.
Which tastes stronger?
Bilberries have a more intense, wine-dark, tart-sweet flavour, which is why they're prized for pies, jams, and liqueurs. Blueberries are milder and sweeter, better suited to eating fresh by the handful.