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Seaside Fleabane
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Erigeron glaucus
  

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About Seaside Fleabane (Erigeron glaucus) Erigeron glaucus is a species of flowering plant in the daisy family known by the common name seaside fleabane, beach aster, or seaside daisy. This wildflower is native to the coastline of Oregon and California where it grows on beaches, coastal bluffs and dunes. This is a perennial daisy reaching heights between 5 and 30 centimeters with branching, nodding stems which may be hairy and hairy to hairless. It grows from a stout rhizome and produces thick, firm, rounded to spoon-shaped leaves, sometimes with a few teeth along the edges, each two to 13 centimeters long. Its stems bear flower clusters of one to 15 flower heads which are variable in size from one to over three centimeters wide. The centers contain golden yellow disc florets and the edges are fringed with ray florets which may be long or quite short, and are shades of deep blue and purple to lavender to nearly white. While typical habitats include coastal bluffs, one highly specialised plant association is found within the two Cupressus macrocarpa dominant forests in Monterey County, California.

This is a great plant for coastal gardens, and produces beautiful and abundant flowers most of the year.
Plant Description
Plant Type
Perennial herb

Max. Height
1.0 ft (0.3 m)

Max. Width
2 ft (0.6 m)

Form
Spreading

Fragrance
None, Slight

Growth Rate
Fast

Dormancy
Evergreen

Leaves
Fuzzy green leaves

Flower Color
Lavender, Yellow

Flowering Season
Spring, Summer, Winter
Spring
Summer
Fall
Winter


Native Status
Native

Natural Setting
Site Type
Bluffs, dunes and beaches, ocean facing ravines above the beach, clay soils, as part of coastal strand or coastal scrub vegetation

Sun
Sun, Part Shade

Elevation ?
-87' - 1165'

Annual Precip. ?
11.8" - 67.0"

Summer Precip. ?
0.15" - 1.96"

Coldest Month ?
43.4° F - 55.8° F

Hottest Month ?
55.6° F - 70.9° F

Humidity ?
0.01 vpd - 15.63 vpd

Soil Description
Clay soils on steep slopes, sandy soils on flats

Soil Texture
Clay, Sand, Sandy Clay

Soil PH
5 - 7

Drainage
Fast, Medium, Slow

Cold Tolerance(° F)
Tolerates cold to 15 - 20° F

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

Companion Plants
Wildlife Attracted
Bees, butterflies

Landscaping Information
Ease of Care
Very Easy

Water Requirement ?
Extremely Low, Very Low
Extremely Low
Very Low
Low
Moderate - High


Popularity
Very Popular

Max. Summer Water ?
No Summer Water, 1x/month, 2x/month
No Summer Water
1x/month
2x/month
3x/month
1/week
Keep moist


Mulch
Organic with Rocks

Propagation ?
For propagating by seed: No treatment.

Common uses
Groundcovers, Deer Resistant, Butterfly Gardens, Bee Gardens

Nursery Availability
Commonly Available

Other Names
Common Names
Seaside Daisy


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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