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Growing Info

Scarification: none required|none required

Stratification: none required

Germination: requires light for germination, surface sow and keep moist

Other: Sterile soil should be used, care should be taken to not sow the seed too thick

Native to: Canada (Eastern), Eastern United States, United States

Native

Introduced

Rhododendron maximumRhododendron maximum

Great Rhododendron, Rosebay, Rosebay Rhododendron

In Stock: 1.025 lb (Total:1.025lb)

Rhododendron maximum

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1.03 lb PA

Details

Germination:

40%

Germination test:

estimate

Purity:

90%

Seeds per lb:

2,002,500

Quantity:

1.03 lb

Collected in:

Pennsylvania

Crop year:

2025

Min. hardiness zone:

Item ID:

1837518

Characteristics

Growing Info

Scarification: none required|none required

Stratification: none required

Germination: requires light for germination, surface sow and keep moist

Other: Sterile soil should be used, care should be taken to not sow the seed too thick

Native to: Canada (Eastern), Eastern United States, United States

Native

Introduced

Discover the captivating allure of Rhododendron maximum, also known as Rosebay Rhododendron or Great Rhododendron, a magnificent broadleaf evergreen that transforms gardens into lush paradises. Native to Eastern North America, this versatile shrub thrives in USDA Zones 3-7, offering a stunning presence with heights of 5 to 15 feet and a spread of 5 to 12 feet. Admire its exquisite blooms from June to July, showcasing a spectrum of rose-purplish to pink to white hues, adorned with subtle olive green to orange spots. Adaptable to part shade and full shade, this plant excels in cool, moist, and well-drained acidic soils, making it an ideal choice for shady garden locations.

Rosebay Rhododendron's distinguished features include large, leathery, evergreen leaves with rusty undersides and enchanting umbel-like flower clusters that attract bees, butterflies, and hummingbirds. Its innate ability to tolerate rabbits and heavy shade, along with its winter interest, adds to its garden appeal. Ensure your landscape flourishes by planting it in areas protected from harsh winter winds and avoiding wet soils. With its shallow root system, regular mulching with wood chips or pine needles helps retain moisture and stabilize soil temperatures, preserving its health and beauty. Embrace this iconic native species in your garden, whether as a bold shrub border, in naturalistic settings, or as a focal point in woodland or pollinator gardens.