Spiraea Douglasii Flower Seeds
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Product Specifications:
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Botanical Name: Spiraea douglasii
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Common Names: Western Spirea, Steeple Bush, Hardhack, Rose Spiraea
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Plant Type: Deciduous Shrub
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Flower Color: Pink to Rose-Purple
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Bloom Time: Summer
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Foliage: Green, turns yellow in fall
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Fragrance: Yes, fragrant flowers
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Wildlife Attraction: Attracts butterflies and pollinators
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Deer Resistance: Yes
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Sun Requirements: Full sun to partial shade
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Soil Type: Moist, well-drained, prefers acidic soils
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Water Needs: Moderate to high (thrives in rain gardens and wet areas)
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Growth Height: 3-6 feet (0.9-1.8 meters)
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Spacing: 3-5 feet apart
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USDA Hardiness Zones: 4-8
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Uses: Rain gardens, natural landscaping, pollinator-friendly gardens, hedgerows

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Features
Life Cycle
Perennial
Planting Season
Spring to Early Summer
Growth Habit
Bushy, Upright
Flavor Profile
None
Plant Characteristics
Clusters of Pink Flowers
Use
Ornamental, Erosion Control
Growing Conditions
Moist, Well-Drained Soil
Harvest Advantages
Attractive Foliage, Long Blooming
Plant Resistance
Deer, Drought Tolerant
Spiraea Douglasii Flower Seeds
Douglas Spiraea
Seed Names
Douglas Spiraea, Hardhack
Seed Type
Non-GMO, Open-Pollinated
Spiraea Douglasii, commonly known as Douglas Spiraea or Hardhack, is a versatile ornamental shrub with striking pink flower clusters. It is ideal for moist landscapes and is commonly used for erosion control, adding beauty to wetland and garden settings.
Planting Information
Light Requirement
Full Sun to Part Shade
Planting Depth
1/8 inch
Sowing Method
Direct or Transplant
Plant Spacing
18–24 inches
Days to Maturity
120–150 Days
Soil Preparation
Moist, Well-Drained
Hardiness Zones
3–9
Water Needs
High, Moist Soil
Planting Season
Spring to Early Summer
Coverage
Seed Count
Recommended Coverage
100
Up to 10 sq ft
500
Up to 50 sq ft
1000
Up to 100 sq ft