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Growing Info

Scarification: Soak in water, let stand in water for 24 hours

Stratification: cold stratify for 30-60 days

Germination: sow seed 1/4" deep, tamp the soil, mulch the seed bed, keep moist

Native to: Alaska, British Columbia, California, Oregon, Washington

Native

Introduced

Spiraea douglasiiSpiraea douglasii

Douglas's Spirea, Hardhack, Rose Spirea

In Stock: 1.995 lb (Total:2.229lb)

Seed with Pods

Spiraea douglasii

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Buying options

0.23 lb OR

2 lb OR

Seed with Pods

Details

Germination:

50%

Germination test:

estimate

Purity:

50%

Seeds per lb:

1,360,000

Quantity:

2 lb

Collected in:

Oregon

Crop year:

2024

Min. hardiness zone:

Item ID:

1835409

Characteristics

Growing Info

Scarification: Soak in water, let stand in water for 24 hours

Stratification: cold stratify for 30-60 days

Germination: sow seed 1/4" deep, tamp the soil, mulch the seed bed, keep moist

Native to: Alaska, British Columbia, California, Oregon, Washington

Native

Introduced

Discover the beauty and resilience of Douglas's Spirea (Spiraea douglasii), a stunning native shrub perfect for enhancing your garden or landscape projects. Known by several charming names including Hardhack and Western Spirea, this deciduous broadleaf shrub belongs to the Rosaceae family and thrives in the Pacific Northwest, ranging from northern California to Alaska. Growing up to 7 feet tall, it features a dense, semi-upright form and spreads aggressively through rhizomes, making it ideal for rain gardens and streamside revegetation projects.

Douglas's Spirea is renowned for its vibrant, purplish-pink flowers that blossom in dense plumes, creating a breathtaking "sea of pink" during the summer months. These fragrant blooms attract pollinators, while its rich, green foliage provides habitat for wildlife. Hardy to USDA Zone 5, it flourishes in wet environments such as marsh borders, stream banks, and meadows, but can withstand drier conditions too.

Its historical use by indigenous peoples for culinary and tool-making purposes further underscores the shrub's versatility. Easy to propagate from seeds or cuttings, Douglas's Spirea is a perfect choice for gardeners seeking to introduce native beauty that supports both biodiversity and captivating aesthetics.