Species Physocarpus capitatus | Known

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Is Physocarpus capitatus growing in your garden? Record it and all of your plants in Known.

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Names

Common Names: Pacific Ninebark, Western Ninebark

Growth

Height: 144-216 inches
Spread: 6-12 feet
Growth Rate: Moderate to Fast

Appearance

Bloom Color: White
Foliage Color: Green
Fall Foliage Color: Red to rose-brown

Environment

Hardiness Zones: Zones 4-5
Sunlight Requirements: Ideally Full Sun to Partial Shade.
Soil Type: Slightly acidic to neutral, well-draining loamy soil that retains moisture (pH 5.0–7.0)
Soil Drainage: Well-draining loamy soil that retains some moisture but does not become waterlogged
Soil pH: 5.0-7.0, Slightly acidic to neutral soil is ideal

Lifecycle

Lifecycle: Perennial
Leaf Lifecycle: Deciduous
Seasons of Interest: Spring, Summer, Fall, and Winter
Bloom Time: Spring to Summer

Reproduction

Propagation Methods: Seeds and Cuttings

Wildlife

Attracts Wildlife: Attracts bees, butterflies and moths, and birds

References

Taxonomy

Taxonomic Rank: Species
Author: (Pursh) Kuntze
Publication: Revis. Gen. Pl. 1: 219 (1891)

Superior Taxa

Kingdom: Plantae
Subkingdom: Pteridobiotina
Phylum: Angiosperms
Order: Rosales
Family: Rosaceae
Genus: Physocarpus

Synonyms

Spiraea ribifolia Spiraea opulifolia var. multiflora Spiraea opulifolia var. mollis Spiraea capitata Opulaster capitatus Opulaster opulifolius var. capitatus Neillia capitata Spiraea opulifolia var. tomentella Physocarpus opulifolius var. tomentellus Spiraea ribifolia Neillia opulifolia var. mollis Physocarpus tomentosa Opulaster opulifolius var. tomentellus Spiraea opulifolia var. tomentosa Physocarpus opulifolius var. tomentellus

References

Taxonomic data from World Flora Online, accessed June 20, 2024