Spiraea Species, Rose Meadowsweet, Subalpine Spiraea, Mountain Spiraea, Rosy Spiraea

Spiraeasplendens

Family
Rosaceae (ro-ZAY-see-ee)
Genus
Spiraea (spy-REE-ah)
Species
splendens (SPLEN-denz)
Synonym
Spiraea densiflora
Spiraea hydrangaefolia
Spiraea rosea
Sun Exposure
Full Sun
Foliage
Deciduous
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Bloom Color
Pink
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Groundcovers
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
By dividing the rootball
From softwood cuttings
From hardwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
By simple layering
By stooling or mound layering
Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Yorkville, Illinois

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Gardener's Notes:

0
positive
0
neutral
0
negative
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