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The Verdant HoursHerbal gathering almanac
Plant atlasEricaceae
Culinary reference

Bilberry.

Vaccinium myrtillus

Also found as European blueberry · Whortleberry

A low heathland shrub with green, angular stems and dark blue berries that stain the fingers.

Sources checked 27 September 2026 · Specialist field review pending
Bilberry: Dark blue berries.
Rafael Medina · CC BY 4.0
Before any gathering or use

Several toxic berries grow in the same heath; check each plant.

Where it grows

Tracked records and known growing zone

Explore on the field map
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Squares: where people recorded it, brighter where more people did
Verified records
46,579
People who recorded it
15,775
Most records (northern hemisphere)
May–Aug
Records span
1971–2026
Northern hemisphere · 46,579 dated records
Bilberry verified records by month, northern hemisphere
January488
February508
March1107
April4710
May8642
June7701
July9910
August7136
September3145
October1884
November802
December546

Research-grade iNaturalist records, snapshot Aug 27, 2026. The growing zone combines areas where different people have repeatedly verified it. Records show where people looked and found it, not current abundance or permission to gather.

01 / Learn to see

Field marks

  1. 01

    Low shrub with green, ridged, angular stems.

  2. 02

    Small, finely toothed oval leaves that drop in autumn.

  3. 03

    Single dark blue berries with purple flesh throughout.

These are study prompts, not a complete identification key. Confirm the full plant with a regional flora and an experienced local identifier.

02 / Resolve the differences

Look closely. Compare.

Bog bilberry

Vaccinium uliginosum has round stems and white-fleshed fruit and is best avoided in quantity.

Use the botanical source

Selected comparisons only. Other lookalikes may occur locally.

03 / Meet the place

Habitat & season

Range context

Northern and central Europe and northern Asia, in acidic woods and heath.

Watch the plant stage

Fruits ripen in mid to late summer.

Stage guidance is not a local forecast. Check your climate, elevation and a regional source; no month-shift formula is used here.

04 / Gather with care

Documented use & care

Parts discussed: Fruit

Eat ripe berries fresh, in pies, or preserved.

Care for the patch

Pick by hand rather than with rakes, which strip shoots.

Preparation & storage essentials

05 / Follow the evidence

Sources & review

Checked 27 September 2026. Original editorial synthesis; source institutions have not reviewed or endorsed this guide. Independent botanical field review is pending. Photos illustrate specimens; they do not certify the identity of a plant you find.

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