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Helenium autumnale
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Common Sneezeweed
( Helenium autumnale )
Helenium autumnale
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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3 Nurseries Carry This Plant
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About Common Sneezeweed (Helenium autumnale)
3 Nurseries Carry This Plant
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Helenium autumnale
is a North American species of flowering plants in the sunflower family. Common names include common sneezeweed and large-flowered sneezeweed. This plant is widespread across much of the United States and Canada, from Northwest Territories as far south as far northern California, Arizona, Louisiana, and Florida. It has not been found in southern or central California, New Hampshire, or the 4 Atlantic Provinces of Canada. Common sneezeweed is a perennial herb up to 130 cm (51 1-3 in; 4 1-3 ft) tall. In late summer and fall, one plant can produce as many as 100 yellow flower heads in a branching array. Each head has 11-21 ray florets surrounding sometimes as many as 800 disc florets. Distribution and habitat. This plant is widespread across much of the United States and Canada, from Northwest Territories as far south as far northern California, Arizona, Louisiana, and Florida. It has not been found in southern or central California, New Hampshire, or the 4 Atlantic Provinces of Canada. Common sneezeweed is cultivated as a garden perennial. There are multiple named varieties varying in color and height. 'Pumilum Magnificum' is a yellow variety about two feet tall. 'Bruno', a reddish brown cultivar, 'Kupfersprudel', which is yellow/orange, and 'Butterpat', which is golden, all grow 3 to 3. 5 feet (91 to 107 centimetres) tall. 'Chippersfield Orange' is up to 4 feet tall and is orange streaked with gold.
Plant Description
Plant Type
Perennial herb
Size
3.3 - 4.9 ft tall
Form
Upright
Growth Rate
Fast
Flower Color
Yellow
Flowering Season
Fall, Summer
Wildlife Supported
Butterflies & moths hosted ( 1
confirmed
)
SHOW ALL
Dainty Sulphur
Nathalis iole
Nathalis iole
Landscaping Information
Sun
Part Shade
Moisture
Moderate - High
Nurseries
Carried by 3
Soil Description
Adaptable, tolerant of sand, loam and clay
Common uses
Bogs and Ponds, Butterfly Gardens, Bee Gardens
Sunset Zones
?
4*, 5*, 15, 16, 17*
Natural Setting
Site Type
Wet places
Climate
Annual Precipitation: 21.5" - 65.0", Summer Precipitation: 1.14" - 1.99", Coldest Month: 37.6" - 46.5", Hottest Month: 57.8" - 66.8", Humidity: 0.52" - 19.10", Elevation: 13" - 2779"
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Common Sneezeweed
Helenium autumnale
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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