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Wasowski, Sally and Andy

Eriogonum giganteum

Eriogonum giganteum S. Watson

St. Catherine's Lace

Polygonaceae (Buckwheat Family)

Synonym(s):

USDA Symbol: ERGI2

USDA Native Status: L48 (N)

A 3-6 ft., or taller, evergreen shub, equally as wide, with repeatedly forked branches, large gray-woolly, spoon-shaped leaves, and immense flat-topped clusters of white flowers which fade to rust-red.

From the Image Gallery

9 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Shrub
Leaf Retention: Evergreen
Fruit Type: Achene
Size Notes: Up to about 10 feet tall, often shorter.

Bloom Information

Bloom Color: White , Pink
Bloom Time: May , Jun , Jul , Aug , Sep , Oct
Bloom Notes: White to rosy pink. May flower year-round under the right conditions.

Distribution

USA: CA
Native Distribution: Channel Islands, CA
Native Habitat: Dry, shrubby slopes

Growing Conditions

Light Requirement: Part Shade
Soil Description: Well-drained soils.
Conditions Comments: Flowers dry well.

Value to Beneficial Insects

Special Value to Native Bees
Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Butterflies and Moths of North America (BAMONA)

Avalon Scrub-Hairstreak
(Strymon avalona)

Adult Food Source

Learn more at BAMONA

Propagation

Description: Propagation by seed is possible.
Seed Collection: The three-sided achene can be hand-stripped from the plant.
Seed Treatment: Seeds of this genus generally germinate without pretreatment but in such a large genus, a variety of germination responses can be expected.
Commercially Avail: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Bibliography

Bibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright
Bibref 995 - Native Landscaping from El Paso to L.A. (2000) Wasowski, S. and A. Wasowski

Search More Titles in Bibliography

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Eriogonum giganteum in USDA Plants
FNA: Find Eriogonum giganteum in the Flora of North America (if available)
Google: Search Google for Eriogonum giganteum

Metadata

Record Modified: 2022-10-18
Research By: TWC Staff

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