Overview

Bilberry is a small, dark blue to purple berry from low-growing shrubs in the genus Vaccinium, most commonly Vaccinium myrtillus. It is native to northern and central Europe, parts of Asia, and North America. The flavor is tart and slightly sweet, more intense and less sugary than the cultivated blueberry.

Origin and history

Bilberries have been foraged in Europe and Asia for centuries, with documented use in traditional medicine for conditions involving the eyes and circulation [2]. The plant grows wild in heathlands, moorlands, and coniferous forests. During World War II, British pilots reported improved night vision after consuming bilberry jam, a claim later linked to the fruit’s anthocyanin content, though clinical evidence remains mixed [2]. Bilberries have never been widely domesticated; most commercial supply still comes from wild harvesting in Scandinavia, Eastern Europe, and the British Isles.

Varieties and aliases

  • Vaccinium myrtillus (common bilberry, European blueberry)
  • Vaccinium uliginosum (bog bilberry)
  • Vaccinium caespitosum (dwarf bilberry)
  • Vaccinium deliciosum (Cascade bilberry)
  • Regional names: whortleberry (England), blaeberry (Scotland), huckleberry (sometimes used interchangeably in North America, though this is taxonomically imprecise)

Culinary uses

Bilberries are used in jams, pies, crumbles, syrups, and liqueurs. In Nordic cuisine, they appear in bilberry soup (soppa) and as a topping for pancakes and porridge. In the British Isles, bilberry pie and bilberry gin are traditional preparations. The berries are rarely eaten raw in quantity due to their tartness; they are typically cooked with sugar. The deep purple juice stains strongly and is used as a natural food colorant.

Cross-cuisine context

Bilberry is the wild European analogue of the North American blueberry (Vaccinium corymbosum and related species). In Mexican cuisine, there is no direct analogue; the closest native berry is the capulín (Prunus serotina subsp. capuli), a small dark cherry with a tart-sweet profile used in atole, jams, and traditional sweets. In East Asian cuisines, the bilberry has no direct counterpart; the goji berry (Lycium barbarum) is used in similar medicinal contexts but is botanically unrelated. In Korean cuisine, the bokbunja (Rubus coreanus, Korean black raspberry) shares bilberry’s tartness and use in fermented beverages and traditional medicine.

Notes for cooks

  • Bilberries are more fragile than blueberries and spoil quickly. Use within a few days of purchase or freeze immediately.
  • Frozen bilberries are common in specialty markets and work well in cooked applications. Thawed berries will release significant liquid.
  • Substitution: in recipes calling for bilberries, use wild blueberries or a mix of blueberries and black currants for a similar tartness and color.