Seaside Buckwheat

Eriogonum latifolium

Native to:
United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polygonaceae
Genus:
Eriogonum
Species:
Eriogonum latifolium
USDA Symbol:
ERLA5

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Subshrub
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug,sep,oct
Bloom Colors:
white, pink

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★★★☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★★★☆ Native pollen specialist bee species supported by this genus (NWF)

Host Plant for Caterpillars

Aroga sp. A, Aroga sp. B, Chionodes dammersi, Chionodes sp. B, Electra buckmoth (Hemileuca electra), Holcocera sp. A, omnivorous leaftier (Cnephasia longana), orange tortrix moth (Argyrotaenia franciscana), Synanthedon polygoni, Western tussock moth (Orgyia vetusta), Chalceria heteronea, Comstock's hairstreak (Callophrys comstocki), Dotted Blue (Euphilotes enoptes), Dusky Green Hairstreak (Callophrys dumetorum), Green Hairstreak (Callophrys viridis), ⚠️Mormon metalmark (Apodemia mormo), 🛑Neurona Blue (Plebejus neurona)

Reported Fauna Sightings

Bees: Two-form bumble bee (Bombus bifarius), ⚠️Western honey bee (Apis mellifera) Butterflies:Dusky Green Hairstreak (Callophrys dumetorum), Icaricia acmon, Tharsalea heteronea

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from woody root crown following fire. Common in coastal scrub communities with periodic fire.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to coastal bluffs and dunes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Seeds germinate best with cold stratification and light exposure. Germination can be erratic.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: Seeds are collected between May 1st and July 1st. Mature inflorescences are rust brown. Seeds are minute and black at maturity and are found at the base of each dried flower. E. latifolium is found in coastal strand communities and coastal scrub, from San Luis Obispo County, California to Oregon.

Source: npn.rngr.net