Pacific ninebark (Physocarpus capitatus)

Pacific ninebark

Also known as: Western ninebark

Native to western North America, the pacific ninebark is a deciduous shrub that can grow up to 2.5 m tall. Its bark is flaky and peels away in many layers. Pacific ninebark prefers a wet environment but still tolerant a certain degree of drought. It is a popular garden plant in California.

Scientific classification

Species

Pacific ninebark (Physocarpus capitatus)

Roses, elms, figs, and allies

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Shrub

Plant Type

Early summer, Mid summer

Bloom Time

Summer

Harvest Time

1.8 m to 3.5 m

Plant Height

2.5 m

Spread

Green, Red, Orange

Leaf Color

2.5 cm

Flower Size

Brown, Red

Fruit Color

White

Flower Color

Brown

Stem Color

Winter dormancy

Dormancy

Deciduous

Leaf type

5 - 35 ℃

Ideal Temperature

Images of Pacific ninebark

Attributes of Pacific ninebark

Growth Rate

During Spring and Summer, pacific ninebark exhibits a rapid growth rate, quickly increasing in height while simultaneously producing vast perfoliate leaves and clusters of fertile, attractive flowers. This vigorous growth often results in considerable bushy clumps, indicative of its high vigor. Some variation in pace can be noted between seasons, with growth peaking in late spring.

Culture

Garden Use

Pacific ninebark is an excellent choice for naturalized gardens or shrub gardens when you want to attract songbirds and small mammals to build nests. In addition, the roots are helpful in preventing soil erosion when this shrub is established on slopes. Attractive white clusters of flowers followed by small fruits offer visual interest in the landscape for much of the season.

Symbolism

Hope, love

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Care Guide for Pacific ninebark

Every week

Water

Partial sun

Sunlight

5 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Pacific ninebark originates from moist streambanks and wet woodlands, thriving in consistently moist environments. Weekly watering is ideal, although it can tolerate short dry spells. As an adaptable outdoor shrub, pacific ninebark possesses a robust root system, ensuring resilience in varying climate zones.

Fertilize: Pacific ninebark benefits from balanced, slow-release fertilizer applied annually in spring. During growth, switch to high-nitrogen fertilizers for foliage. Limit application to prevent harm, tapering off in fall. Use label instructions to avoid root burn; beginners should apply a palmful per square yard.

Pruning: Pacific ninebark is a multi-stemmed shrub with peeling bark and white flowers. Prune in early spring to remove damaged branches and encourage vigorous growth. Thinning older stems enhances air circulation and reduces disease risk, improving the plant's health and visual appeal.

Propagation: Pacific ninebark propagates effectively via cuttings and layering in autumn and winter, though it has moderate difficulty. Success is shown by new growth and root formation, necessitating patience and proper care throughout the process.

Repotting: Repot pacific ninebark every 2-3 years in early spring to align with its growth cycle. Use a pot one size larger to accommodate roots. Ensure well-draining soil and moderate watering post-repot. Mindful repotting supports pacific ninebark's growth, thriving with its unique bark and clustered flowers.

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Images of Pacific ninebark

Attributes of Pacific ninebark

Culture

Care Guide for Pacific ninebark

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