Swamp Rose, Rosa pisocarpa

About Swamp Rose (Rosa pisocarpa) 1 Nurseries Carry This Plant

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Cluster Rose (Rosa pisocarpa) is a native shrub that grows in northern California in the Sierras and North Coast Range. It is fast growing and short-lived, with fewer thorns than some other members of the genus. It grows in an irregular form to a height of 6 feet. Flowers are red and striking, and bloom in the summer. Leaves are medium green and deciduous. It tends to grow in moist areas, at elevations from 0-5,000 feet.

Plant Description

Plant Type

Shrub

Size

3 - 6 ft tall

Growth Rate

Fast

Dormancy

Winter Deciduous

Fragrance

Fragrant - Pleasant

Flower Color

Red, Pink

Flowering Season

Summer

Wildlife Supported

Various insects and birds are attracted to the flowers and fruits
Butterfly host plants

Butterflies & moths hosted ( 63 likely * ) SHOW ALL

Variable Checkerspot Euphydryas chalcedonaEuphydryas chalcedona

Hoary Comma Polygonia gracilisPolygonia gracilis

White-lined Sphinx Hyles lineataHyles lineata

Polyphemus moth Antheraea polyphemusAntheraea polyphemus

Alfalfa Looper Moth Autographa californicaAutographa californica

Elegant Sheepmoth Hemileuca eglanterinaHemileuca eglanterina

Painted Tiger Moth Arachnis pictaArachnis picta

Landscaping Information

Sun

Part Shade

Moisture

Moderate - High

Summer Irrigation

Keep moist

Nurseries

Carried by 1

Cold Tolerance

Tolerates cold to 0° F

Soil Description

Adaptable, tolerant of sand, loam and clay. Soil PH: 6.0 - 7.5

Companion Plants

Use with Maple (Acer circinatum or glabrum), Alder (Alnus sp.), Spice Bush (Calycanthus occidentlis), Ceanothus sp., Giant Chinquapin (Chrysolepis chrysophylla), Dogwood (Cornus sp.), coffeeberry (Frangula sp.), Silk Tassel (Garrya buxifolia or fremontii), Mock Orange (Philadelphus lewisii), and Pines (Pinus sp.)

Propagation?

For propagating by seed: 3-4 mos. stratification; preceding this by 2-3 mos. warm stratification may improve germination (USDA Forest Service 1974).

Sunset Zones?

1, 4*, 5*, 6*, 7*, 14, 15, 16, 17

Natural Setting

Site Type

Moist areas of the northern mountains below 5,500 ft.

Climate

Annual Precipitation: 13.1" - 154.9", Summer Precipitation: 0.33" - 5.92", Coldest Month: 11.1" - 52.0", Hottest Month: 34.4" - 79.3", Humidity: 0.17" - 25.55", Elevation: 11" - 14042"

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Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links: Jepson eFlora Taxon Page CalPhotos Wikipedia Calflora

Swamp Rose

Rosa pisocarpa

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Swamp RoseRosa pisocarpa

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Swamp Rose

Rosa pisocarpa