The Oregon Grape (Mahonia aquifolium), also known as Oregon Grape Holly, is an evergreen shrub valued for its glossy holly-like leaves, bright yellow spring flowers, and edible blue-black berries. These non-GMO Oregon Grape seeds produce hardy plants ideal for natural hedges, pollinator gardens, or ornamental landscaping.
Native to western North America, this versatile shrub adds color year-round and provides essential food and shelter for birds and bees. Its deep blue fruits can be used in preserves or enjoyed by wildlife, while its attractive foliage turns bronze-red in fall.
Key Features
- Evergreen shrub with yellow flowers and blue grape-like fruit
- Non-GMO, native, hardy, and drought-tolerant once established
- Excellent for borders, hedges, and wildlife-friendly gardens
- Low-maintenance and pollinator-attracting plant
- Ornamental foliage with year-round interest
Specifications
| Characteristic | Details |
|---|---|
| Common Name | Oregon Grape / Oregon Grape Holly |
| Scientific Name | Mahonia aquifolium |
| Plant Type | Evergreen Shrub or Vine-like Bush |
| Growth Habit | Upright, bushy, spreading form |
| Heirloom | Yes |
| GMO Status | Non-GMO |
| Organic | Naturally untreated seed form |
| USDA Hardiness Zones | 5–9 |
| Sunlight Requirement | Full Sun to Partial Shade |
| Soil Type | Moist, well-drained loam or sandy soil |
| Soil pH | 5.5–7.5 |
| Season | Spring or fall planting |
| Watering | Moderate; drought-tolerant after establishment |
| Days to Germination | 30–60 days (cold stratification recommended) |
| Mature Height | 3–6 feet |
| Spread | 4–6 feet |
| Flower Color | Bright yellow clusters |
| Fruit Color | Blue to black grape-like berries |
| Pollination | Self-fertile; attracts bees and butterflies |
| Maintenance | Low; prune lightly after flowering |
| Special Features | Evergreen foliage, edible fruit, ornamental value, erosion control |
Planting Guide
- Seed Preparation: Cold-stratify seeds for 8–10 weeks in moist sand or peat at 35–40°F.
- Planting Depth: Sow ¼ inch deep in moist, well-drained soil.
- Temperature: Maintain 65–75°F for germination after stratification.
- Transplanting: Move outdoors once frost has passed and soil is warm.
- Watering: Keep evenly moist during establishment; reduce once mature.
- Care: Prune lightly after flowering and mulch base for moisture retention.
