Hollinshead Water-wise Garden Plants

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Photo:

Pat Kolling

Sulfur Buckwheat

Sulfur Flower Buckwheat

Sulfur Eriogonum

Latin Name:

Eriogonum umbellatum

Oregon native mound forming shrub, sub-shrub. Heat, drought, deer, and wind resistant. Colorful yellow to orange flowers in umbels that bloom starting in June through September. Pest free. Attracts birds, bees, and butterflies

Taxon ID#

36 MAINTENANCE

Maintenance Level:

Low

Min. USDA Hardiness Zone:

4 Sun Preference:

Full Sun

Water Preference:

L

Soil Preference:

Dry rocky sites

Fertilizer Needs:

Low

Recommended Mulch:

Family:

Polygonaceae

Origins:

Plant Type:

Small Shrub (usually < 1.5' and not >3')

Western United States

Oregon native:

yes

Western state native:

yes

PLANT DESCRIPTION

Foliage Color:

Gray

Foliage Description:

Leaves basal, 1" long, soft and woolly to hairless

Fragrant:

yes

Predominant flower color:

Yellow

Flower Description:

Small yellow (< 1" wide) perfect flowers arranged in umbel like clusters

Fall color:

no

Fall Color Description:

Leaves evergreen in gray/green shades

Winter Foliage:

Evergreen

Winter Interest:

yes

Winter Interest Description:

Evergreen

Mature height:

6-12"

Mature spread:

2-3'

Growth rate:

Medium

LANDSCAPE APPLICATION

Deer Resistant:

yes

Fire Resistant:

no

Attracts Pollinators:

yes

Attracts Butterflies:

yes

Native Habitat:

Dry rocky soils in forest, foothills, mountain slopes and ridges

Attracts Birds:

yes

Cut/Dried Flowers:

yes

Photo:

Kathy Ketchum

Used by Wildlife:

yes

Hedge/Screen:

no

Swales:

no

Wildlife Use:

Leaves and seeds provide food for birds and small mammals

Border:

no

Erosion Control:

yes

Windbreak:

no

Cover Structures:

no

Ground Cover:

yes

Provides Shade:

no

Rock Garden:

yes

Adds Texture/Movement:

yes

First Bloom:

Jun

Last Bloom:

Sep

Ornamental Accent:

yes

Garden Observations:

Deer munched in June 2021

SEASONAL CARE

Spring Care:

Summer Care:

Fall Care:

Winter Care:

Long Term Care:

Easy to care for so no special needs

Insect Pests:

Wildlife Pests:

Diseases:

Environmental Problems:

Excessive moisture in winter detrimental

Landscape Problems:

Care Comments:

Requires little care

RESOURCES

OSU Landscape Profile:

USDA Plants:

https://plants.usda.gov/factsheet/pdf/fs_erum.pdf

Calscape Database:

https://calscape.org/Eriogonum-umbellatum-(Sulphur-Buckwheat)?srchcr=sc5f4e975094f32

LBJ Native Plant Database:

https://www.wildflower.org/plants/result.php?id_plant=ERUM

Missouri Botanical Garden Database:

Monrovia Profile:

Alternate Source 1:

http://www.highcountryapps.com

Alternate Source 2:

Source Comment:

Oregon Flora Project. Oregon Wildflowers:A Guide to the Wildflowers, Shrubs and Vines of Oregon. Botany & Plant Pathology Department, Oregon State University & High Country APPs, LLC

Hollinshead Water-wise Garden Plants

Photo:

Pat Kolling

Sulfur Buckwheat

Sulfur Flower Buckwheat

Sulfur Eriogonum

Latin Name:

Taxon ID#

36

MAINTENANCE

Low

Min. USDA Hardiness Zone:

4

Sun Preference:

Full Sun

Water Preference:

L

Soil Preference:

Dry rocky sites

Fertilizer Needs:

Low

Recommended Mulch:

​

Family:

Origins:

Plant Type:

Small Shrub (usually < 1.5' and not >3')

Western United States

Oregon native:

yes

Western state native:

yes

PLANT DESCRIPTION

Foliage Color:

Gray

Foliage Description:

Leaves basal, 1" long, soft and woolly to hairless

Fragrant:

yes

Predominant flower color:

Yellow

Flower Description:

Small yellow (< 1" wide) perfect flowers arranged in umbel like clusters

Fall color:

no

Fall Color Description:

Leaves evergreen in gray/green shades

Winter Foliage:

Evergreen

Winter Interest:

yes

Winter Interest Description:

Evergreen

Mature height:

6-12"

Mature spread:

2-3'

Growth rate:

Medium

LANDSCAPE APPLICATION

Deer Resistant:

yes

Fire Resistant:

no

Attracts Pollinators:

yes

Attracts Butterflies:

yes

Native Habitat:

Dry rocky soils in forest, foothills, mountain slopes and ridges

Attracts Birds:

yes

Cut/Dried Flowers:

yes

Photo:

Kathy Ketchum

Used by Wildlife:

yes

Hedge/Screen:

no