North America Native Plant

Gate Canyon Buckwheat

Botanical name: Eriogonum hylophilum

USDA symbol: ERHY3

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Eriogonum corymbosum Benth. var. hylophilum (Reveal & Brotherson) S.L. Welsh (ERCOH2)   

Gate Canyon Buckwheat: A Rare Utah Native Worth Knowing Meet Gate Canyon buckwheat (Eriogonum hylophilum), one of Utah’s most exclusive native plants. This little-known perennial herb holds a special place in the world of native gardening, though it’s definitely not your typical backyard flower. If you’re drawn to rare plants ...

Rare plant alert!

Region: Conservation status by state

Status: S1Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Gate Canyon Buckwheat: A Rare Utah Native Worth Knowing

Meet Gate Canyon buckwheat (Eriogonum hylophilum), one of Utah’s most exclusive native plants. This little-known perennial herb holds a special place in the world of native gardening, though it’s definitely not your typical backyard flower. If you’re drawn to rare plants and have a passion for conservation gardening, this unique buckwheat species might just capture your interest.

A True Utah Original

Gate Canyon buckwheat is a native plant species that calls only Utah home. This endemic perennial is found in very limited locations throughout the state, making it a true botanical treasure. As a member of the buckwheat family, it shares DNA with more common relatives, but this particular species has carved out its own special niche in Utah’s diverse landscape.

What Makes It Special

This charming forb herb grows as a low-growing perennial without any woody stems above ground. Like other herbs in its category, Gate Canyon buckwheat keeps its growing points right at or below the soil surface, helping it survive harsh conditions year after year. The plant produces delicate clusters of small flowers that typically range from white to soft pink, creating a subtle but lovely display against its silvery-green foliage.

A Word About Rarity

Here’s where things get important: Gate Canyon buckwheat has a Global Conservation Status of S1Q, indicating it’s quite rare and potentially at risk. If you’re considering adding this plant to your garden, please make sure any plant material comes from responsible, ethical sources that don’t harm wild populations. Never collect plants or seeds from the wild – this species needs all the help it can get to thrive in its natural habitat.

Garden Role and Design Ideas

If you can source Gate Canyon buckwheat responsibly, it makes an exceptional addition to specialized gardens:

  • Rock gardens and alpine collections
  • Drought-tolerant landscapes
  • Native plant preservation gardens
  • Educational botanical displays

This isn’t a plant for mass plantings or typical flower borders. Instead, think of it as a conversation starter – a special specimen that showcases Utah’s unique botanical heritage.

Growing Conditions

Gate Canyon buckwheat has very specific needs that reflect its natural habitat:

  • Soil: Excellent drainage is absolutely critical – think rocky, sandy, or gravelly soils
  • Sunlight: Full sun exposure
  • Water: Minimal watering once established; drought tolerance is key
  • Climate: Adapted to high-elevation conditions, likely hardy in USDA zones 4-8

Planting and Care Tips

Successfully growing Gate Canyon buckwheat requires mimicking its natural environment:

  • Plant in spring after the last frost
  • Ensure perfect drainage – consider raised beds or containers if your soil holds water
  • Avoid fertilizers, which can actually harm native buckwheats
  • Water sparingly, if at all, once the plant is established
  • Protect from excessive winter moisture

Benefits for Pollinators

Like other buckwheat species, Gate Canyon buckwheat likely provides nectar and pollen for native bees, butterflies, and other beneficial insects. The small clustered flowers are perfectly sized for smaller pollinators, making it a valuable addition to pollinator-friendly gardens.

The Bottom Line

Gate Canyon buckwheat represents something special in the native plant world – a rare, endemic species that tells the story of Utah’s unique ecology. While it’s not the easiest plant to grow or find, dedicated native plant enthusiasts and conservation-minded gardeners may find it a rewarding challenge. Just remember to source responsibly and respect this plant’s rarity status.

If you can’t locate Gate Canyon buckwheat through legitimate channels, consider other Utah native buckwheats or drought-tolerant natives that can give you a similar aesthetic while being more readily available. Every native plant in your garden, rare or common, contributes to supporting local ecosystems and preserving our natural heritage.

Gate Canyon Buckwheat

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Eriogonum Michx. - buckwheat

Species

Eriogonum hylophilum Reveal & Brotherson - Gate Canyon buckwheat

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA