Dark Blue-Purple Berries
Produces small, rounded berries with a deep blue-purple appearance when mature.
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Whortleberry, scientifically known as Vaccinium myrtillus, is a low-growing perennial shrub commonly called Bilberry or European Blueberry. It produces delicate pink bell-shaped flowers followed by small, round, dark blue-purple berries. Its attractive green foliage and spreading growth habit make it suitable for woodland gardens, natural landscapes, and edible fruit gardens. Whortleberry prefers acidic, moisture-retentive, well-drained soil and grows naturally in woodland and heathland environments.
Produces small, rounded berries with a deep blue-purple appearance when mature.
Develops small, pendant, bell-shaped pink flowers during the spring to early summer flowering season.
Forms a compact, spreading shrub with green foliage and underground growth that can gradually expand.
Prefers acidic, lime-free soil with suitable moisture and good drainage for healthy root development.
| Scientific Name | Vaccinium myrtillus |
| Common Name | Whortleberry; Bilberry; European Blueberry |
| Plant Family | Ericaceae |
| Seed Type | Fruit Plant Seeds |
| Plant Type | Perennial Deciduous Shrub |
| Growth Habit | Low-growing, bushy, and spreading |
| Flower Color | Pink to pale pink |
| Flower Shape | Pendant, bell-shaped flowers |
| Berry Color | Dark Blue to Blue-Purple |
| Fruit Type | Small Edible Berries |
| USDA Hardiness Zones | 3–8 (reported growing range; climate and provenance dependent) |
| Planting Season | Spring or fall, depending on local conditions |
| Sowing Season | Late winter to spring for controlled seed starting |
| Sowing Months | February–April, depending on growing conditions |
| Seed Starting | Surface sow or cover very lightly in an acidic, lime-free growing medium |
| Germination Time | Variable; approximately 3–8 weeks under suitable conditions |
| Germination Temperature | Approximately 20–23°C (68–73°F) for fresh seeds |
| Sunlight Requirements | Full sun to partial shade |
| Soil Requirements | Acidic, lime-free, humus-rich, moisture-retentive, well-drained soil |
| Soil pH | Approximately 4.5–6.0 |
| Watering | Maintain consistent moisture without waterlogging |
| Mature Plant Height | Approximately 10–50 cm, depending on growing conditions |
| Plant Spacing | Approximately 30–45 cm as a starting guideline; adjust for mature spread |
| Garden Uses | Woodland Gardens, Edible Gardens, Natural Landscapes, and Ground Cover |
Whortleberry adds natural interest to gardens with its compact growth, delicate spring flowers, and small dark blue-purple berries. This perennial shrub is suited to acidic woodland-style growing conditions and can be an interesting addition to edible gardens, natural landscapes, and suitable container plantings. Provide lime-free soil, consistent moisture, and appropriate light for healthy growth.
Find helpful information about Whortleberry seed germination, soil requirements, and berry production.
Sow fresh Whortleberry seeds on the surface of an acidic, lime-free growing medium and cover them very lightly. Maintain moisture and provide bright light with suitable temperatures around 20–23°C. Germination can vary depending on seed freshness, storage, and growing conditions. Once seedlings develop, transplant them carefully into individual containers.
Bilberry plants prefer acidic, lime-free soil with a pH of approximately 4.5–6.0. A humus-rich, moisture-retentive growing medium with good drainage supports healthy development. Avoid alkaline or lime-rich soil because it can interfere with nutrient availability and plant growth.
Whortleberry plants generally take several years to establish and begin producing berries from seed. Seed-grown plants can take around 3 or more years to reach initial fruiting, depending on their growing conditions and maturity. Once established, mature plants produce small blue-purple berries following successful flowering and pollination.