Rosebay Rhododendron – Rhododendron maximum Shrub Seeds | 50 Seeds | Hardy Evergreen Woodland Shrub | Showy Shade Blooms

Add year-round evergreen beauty to your landscape with Rosebay Rhododendron (Rhododendron maximum). This native North American woodland shrub is prized for its glossy dark green foliage, impressive flower clusters, and exceptional cold hardiness. Perfect for shade gardens, woodland plantings, and naturalized landscapes.

Rosebay Rhododendron is a large, multi-stemmed evergreen shrub that typically grows 8–15 feet tall and wide, though mature specimens can grow larger in ideal conditions. The plant forms a dense, rounded shape and can create natural privacy screens in shaded areas. Thick, leathery leaves remain attractive all year, providing structure and greenery even in winter.

In late spring to early summer, upright clusters of pale pink to nearly white funnel-shaped flowers appear, often with delicate yellow-green spotting. Though lightly fragrant, the blooms are highly ornamental and attract hummingbirds and pollinators. This species thrives in acidic, humus-rich soils and performs beautifully in dappled or high open shade.

Extremely hardy and well-suited for woodland environments, Rosebay Rhododendron tolerates cold temperatures down to approximately -20°F. It is an excellent choice for background plantings, naturalized areas, and shaded foundation beds.

You will receive:
✔️ 50 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 but moisture retentive
Watering: Medium; soil should remain consistently moist but not waterlogged
Mature Height: 8–15 feet (can grow larger in ideal 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 acidic potting mix. Do not cover seeds, as they require light to germinate. Use a humidity dome and mist regularly to maintain moisture. Avoid allowing soil to dry out, as rhododendrons have shallow root systems.