North America Native Plant

Field Locoweed

Botanical name: Oxytropis campestris var. minor

USDA symbol: OXCAM2

Life cycle: perennial

Habit: forb

Native status: Native to Canada  

Synonyms: Oxytropis campestris (L.) DC. var. terrae-novae (Fernald) Barneby (OXCAT)  âš˜  Oxytropis terrae-novae Fernald (OXTE4)   

Field Locoweed: A Hardy Native for Cold Climate Gardens If you’re gardening in Canada’s coldest regions and looking for a tough, beautiful native plant that can handle whatever winter throws at it, meet field locoweed (Oxytropis campestris var. minor). This petite powerhouse might have an unusual name, but it’s a ...

Field Locoweed: A Hardy Native for Cold Climate Gardens

If you’re gardening in Canada’s coldest regions and looking for a tough, beautiful native plant that can handle whatever winter throws at it, meet field locoweed (Oxytropis campestris var. minor). This petite powerhouse might have an unusual name, but it’s a charming addition to the right garden setting.

What is Field Locoweed?

Field locoweed is a perennial forb – essentially a non-woody flowering plant that comes back year after year. Don’t let the weed in its name fool you; this is a legitimate native wildflower that deserves respect. You might also see it listed under its synonyms Oxytropis campestris var. terrae-novae or Oxytropis terrae-novae in some botanical references.

Where Does Field Locoweed Grow Naturally?

This hardy native calls eastern Canada home, naturally occurring across Manitoba, Quebec, Nunavut, Labrador, and Newfoundland. It’s perfectly adapted to some of the harshest growing conditions on the continent, thriving in arctic and subarctic environments where many other plants simply can’t survive.

Why Consider Field Locoweed for Your Garden?

Field locoweed offers several appealing qualities for the right gardener:

  • Extreme cold hardiness: Thrives in USDA zones 1-4, making it perfect for Canada’s coldest regions
  • Beautiful flowers: Produces clusters of small, pea-like flowers in shades of purple to pink
  • Attractive foliage: Features silvery, hairy leaves that add interesting texture
  • Pollinator support: Attracts native bees and other arctic pollinators
  • Low maintenance: Once established, requires minimal care
  • Drought tolerance: Well-adapted to dry conditions after establishment

What Type of Garden is Field Locoweed Suited For?

This isn’t your typical suburban garden plant. Field locoweed shines in specialized settings:

  • Rock gardens: Perfect for tucking between stones and boulders
  • Alpine gardens: Ideal for mountain-style plantings
  • Native plant gardens: Excellent choice for Canadian native landscapes
  • Naturalistic designs: Great for meadow-style plantings in cold climates

Growing Conditions and Care

Field locoweed is surprisingly easy to grow if you can provide the right conditions:

  • Sunlight: Requires full sun exposure
  • Soil: Needs well-draining soil; avoid areas that stay wet
  • Watering: Drought tolerant once established; avoid overwatering
  • Climate: Requires cold winter temperatures to thrive
  • Maintenance: Very low maintenance once established

Planting Tips

Getting field locoweed started can be the trickiest part, but it’s worth the effort:

  • Seeds typically require cold stratification to germinate properly
  • Plant in spring after the last frost
  • Choose a location with excellent drainage
  • Be patient – establishment may take a full growing season
  • Avoid fertilizing, as this plant prefers lean soils

Is Field Locoweed Right for Your Garden?

Field locoweed is definitely a specialized plant. It’s perfect if you’re gardening in Canada’s coldest regions and want to create a native plant garden or alpine-style landscape. However, it’s not suitable for warmer climates, heavily irrigated gardens, or formal landscape designs.

If you’re passionate about native plants and have the right growing conditions, field locoweed can be a unique and rewarding addition to your garden. Just remember that this plant is all about authenticity – it wants to grow the way it does in nature, and the best results come from working with its natural preferences rather than against them.

Field Locoweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Oxytropis DC. - locoweed

Species

Oxytropis campestris (L.) DC. - field locoweed

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