North America Native Plant

Rockjasmine Buckwheat

Botanical name: Eriogonum androsaceum

USDA symbol: ERAN5

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Eriogonum flavum Nutt. var. androsaceum (Benth.) M.E. Jones (ERFLA2)   

Rockjasmine Buckwheat: A Lesser-Known Native Gem for Northern Gardens If you’re on the hunt for native plants that can handle tough northern climates, let me introduce you to rockjasmine buckwheat (Eriogonum androsaceum). This hardy perennial might not be the flashiest plant in your garden center, but it’s got some serious ...

Rockjasmine Buckwheat: A Lesser-Known Native Gem for Northern Gardens

If you’re on the hunt for native plants that can handle tough northern climates, let me introduce you to rockjasmine buckwheat (Eriogonum androsaceum). This hardy perennial might not be the flashiest plant in your garden center, but it’s got some serious staying power and a charm all its own.

What Makes Rockjasmine Buckwheat Special?

Rockjasmine buckwheat is a true native plant, calling the northwestern regions of North America home. As a member of the buckwheat family, it’s built tough and designed to thrive where many other plants might throw in the trowel. This perennial forb (that’s gardener-speak for a non-woody flowering plant) has adapted to some pretty challenging climates, which makes it a reliable choice for gardeners in similar conditions.

Where Does It Call Home?

This resilient little plant has carved out its niche in Alberta, British Columbia, and Montana. It’s perfectly at home in the rugged landscapes of northwestern North America, where it has learned to make the most of short growing seasons and challenging weather conditions.

What Does It Look Like?

Like other members of the buckwheat family, rockjasmine buckwheat produces clusters of small, delicate flowers that typically range from white to cream colored. While it may not be the showstopper of your garden, it offers a subtle, naturalistic beauty that fits perfectly into native plant collections and wildlife-friendly landscapes.

Why Consider Growing Rockjasmine Buckwheat?

Here are some compelling reasons to give this native a spot in your garden:

  • Native plant benefits: Supporting local ecosystems and wildlife
  • Cold hardy: Built to handle harsh northern winters (likely zones 3-6)
  • Low maintenance: Once established, native plants typically require less fussing
  • Pollinator friendly: Buckwheats are known to attract beneficial insects and small pollinators
  • Drought tolerant: Likely requires minimal watering once established

Perfect Garden Situations

Rockjasmine buckwheat would be right at home in:

  • Native plant gardens
  • Rock gardens and alpine settings
  • Naturalistic landscapes
  • Wildlife habitat gardens
  • Low-maintenance perennial borders

Growing Conditions and Care

While specific growing information for rockjasmine buckwheat is limited, we can make some educated guesses based on its native habitat and family characteristics:

  • Sunlight: Likely prefers full sun
  • Soil: Probably thrives in well-drained soils
  • Water: Likely drought-tolerant once established
  • Hardiness: Cold hardy, suitable for northern climates

The Reality Check

Here’s the thing about rockjasmine buckwheat – it’s not exactly common in the nursery trade. This lesser-known native might require some detective work to track down, and detailed growing information is pretty scarce. If you’re set on growing it, you might need to connect with native plant societies, specialty nurseries, or seed exchanges that focus on regional native plants.

Getting Started

If you manage to source rockjasmine buckwheat, treat it like you would other hardy native perennials. Give it a sunny spot with good drainage, and don’t overwater once it’s settled in. Remember, this plant has survived in the wild without any help from gardeners, so it probably doesn’t need much pampering.

Since finding this particular species might be challenging, consider exploring other native buckwheats that are more readily available in your area. Your local native plant society can be a goldmine of information about what’s available and what grows best in your specific location.

The Bottom Line

Rockjasmine buckwheat represents the kind of tough, resilient native plant that our gardens could use more of. While it might not be the easiest plant to find or the most detailed to research, it offers the satisfaction of growing something truly local and adapted to your region’s challenges. Sometimes the best garden adventures come from seeking out these lesser-known native treasures – just be prepared for a bit of a hunt!

Rockjasmine 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 androsaceum Benth. - rockjasmine buckwheat

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