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Papaver heterophyllum
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Papaver heterophyllum

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About Windpoppy (Papaver heterophyllum) Windpoppy is a genus of annual plant in the family Papaveraceae. It was formerly included in the monotypic genus, Stylomecon heterophylla, but it has been reclassified to the Papaver genus which includes a few other poppies native to California and north western Mexico. It's flowers are distinctly different from California Poppy. The petals of Windpoppy are more crinkly and bright red-orange with dark centers. In the wild it is found in foothill area of the Sierras and Coast Ranges from the Bay area to San Diego. It makes a nice oak understory planting.
Plant Description
Plant Type
Annual herb

Max. Height
1 - 2 ft (0.3 - 0.6 m)


Blue-green, frilly, typically poppy-looking

Flower Color
Orange, Red

Flowering Season

Native Status

Natural Setting
Site Type
Openings in chaparral, mixed in grasslands, or in the understory of oaks

Part Shade

Elevation ?
58' - 3543'

Annual Precip. ?
6.4" - 28.0"

Summer Precip. ?
0.14" - 0.64"

Coldest Month ?
41.4° F - 57.2° F

Hottest Month ?
65.1° F - 77.7° F

Humidity ?
0.86 vpd - 26.94 vpd

Soil Description

Fast, Medium, Slow

Sunset Zones ?
4, 5, 6, 7*, 8*, 9*, 14*, 15*, 16*, 17*, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Companion Plants
Various Oaks (Quercus sp.), Toyon (Heteromeles arbutifolia), Lemonade Berry (Rhus integrifolia), Manzanita (Arctostaphylos sp.), Dudleya spp., native grasses and geophytes such as Blue Dicks (Dichelostemma capitatum)

Landscaping Information
Water Requirement ?
Very Low
Extremely Low
Very Low
Moderate - High

Seldom Used

Max. Summer Water ?
No Summer Water
Keep moist

Deep Organic

Nursery Availability
Sometimes Available

Other Names
Botanical Names
Stylomecon heterphyllum

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

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