Watermelon Berry (Streptopus amplexifolius), also known as Clasping-Leaved Twisted-Stalk, is a rare, shade-loving perennial plant native to cool regions of North America. It produces small, red berries with a mild, watermelon-like flavor and delicate, arching stems. These non-GMO Watermelon Berry seeds are perfect for gardeners who enjoy cultivating native edible plants or enhancing woodland gardens with unique greenery and natural charm.
Premium-quality, non-GMO Watermelon Berry seeds
Produces sweet, watermelon-flavored red berries
Grows well in partial shade and cool climates
Attractive arching stems and glossy green leaves
Excellent for woodland and native plant gardens
Hardy and low-maintenance once established
Scientific Name: Streptopus amplexifolius
Common Name (US): Watermelon Berry / Clasping-Leaved Twisted-Stalk
Plant Type: Perennial Herbaceous Plant
Seed Type: Non-GMO
Growth Habit: Upright, arching stems with broad leaves
Climate/USDA Zones: 3–7 (Cool to Temperate Regions)
Soil Type: Moist, well-drained, humus-rich soil
Sunlight: Partial Shade to Full Shade
Water Requirement: Moderate; prefers consistently moist soil
Temperature Range: 10°C–24°C (50°F–75°F)
Planting Season: Early Spring or Fall
Germination Time: 4–8 weeks after cold stratification
Maturity: 2–3 years to mature plant
Lifespan: Long-lived perennial under suitable conditions
Seed Preparation: Cold stratify seeds for 8–10 weeks at 4°C (39°F) before planting.
Planting Depth: Sow seeds ¼ inch deep in moist, shaded soil mix.
Light Requirements: Provide partial to full shade; avoid direct hot sun.
Watering: Keep soil consistently moist but not waterlogged.
Transplanting: Move seedlings to a shaded garden area after frost season.
Maintenance: Mulch with organic material to retain soil moisture and improve fertility.
Special Tip: Ideal for naturalized landscapes or forest-edge gardens.
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