Rosebay Rhododendron – Rhododendron maximum Shrub Seeds | 5400 Seeds | Hardy Evergreen Woodland Shrub | Showy Shade Blooms

Create a lush, natural woodland setting with Rosebay Rhododendron (Rhododendron maximum), a hardy evergreen shrub known for its large glossy foliage and impressive late-season flower clusters. Native to eastern North America, this shade-loving species thrives in acidic woodland soils and provides year-round beauty in shaded landscapes.

Typically growing 8–15 feet tall and wide, Rosebay Rhododendron forms a dense, upright rounded shrub that works beautifully as a woodland backdrop, natural privacy screen, or mass planting. In ideal conditions, mature plants may grow even larger. Its leathery, dark green evergreen leaves offer strong visual structure and four-season interest.

In late spring to early summer, upright clusters of 15–30 funnel-shaped flowers bloom in shades of pale pink to nearly white, often accented with yellow-green spotting. These showy blooms attract hummingbirds and butterflies and brighten shaded gardens when many other shrubs have finished flowering. Exceptionally cold tolerant and long-lived, this shrub is ideal for woodland gardens, shade borders, foundation plantings, and large naturalized areas.

You will receive:
✔️ 5,400 Rosebay Rhododendron seeds
✔️ Botanical name: Rhododendron maximum
✔️ Fresh, untreated seeds
✔️ Labeled seed packet with sowing instructions
✔️ Secure packaging for safe delivery

🌼 Growing Information
Common Name: Rosebay Rhododendron
Botanical Name: Rhododendron maximum
Plant Type: Evergreen flowering shrub
Growth Stage: Seed
Sun Requirements: Part shade to high open shade
Soil: Acidic, humusy, organically rich, well-drained yet moisture-retentive
Watering: Medium; keep consistently moist, never allow roots to dry out
Mature Height: 8–15 feet (larger in ideal woodland conditions)
Growth Rate: Medium
USDA Zones: 4–6
Container Friendly: Suitable for early growth only

💡 Care Tip:
Surface sow seeds indoors at 55–64°F in an acidic seed-starting mix. Do not cover seeds, as they require light to germinate. Use a humidity dome and mist gently to maintain even moisture. Ensure excellent drainage and protect plants from hot afternoon sun to prevent leaf scorch.