North America Native Plant

Macoun’s Meadowfoam

Botanical name: Limnanthes macounii

USDA symbol: LIMA20

Life cycle: annual

Habit: forb

Native status: Native to Canada  

Macoun’s Meadowfoam: A Rare Canadian Treasure Worth Protecting If you’ve never heard of Macoun’s meadowfoam, you’re not alone. This delicate annual wildflower is one of Canada’s botanical gems that few gardeners will ever encounter—and for good reason. Limnanthes macounii is an imperiled species that deserves our respect and protection rather ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Macoun’s Meadowfoam: A Rare Canadian Treasure Worth Protecting

If you’ve never heard of Macoun’s meadowfoam, you’re not alone. This delicate annual wildflower is one of Canada’s botanical gems that few gardeners will ever encounter—and for good reason. Limnanthes macounii is an imperiled species that deserves our respect and protection rather than a spot in our garden beds.

What Makes This Plant Special

Macoun’s meadowfoam is a charming little annual forb that belongs to the meadowfoam family. Unlike its more common cousins, this particular species has an extremely limited range and faces significant conservation challenges. As a forb, it’s a non-woody plant that completes its entire life cycle in a single growing season, producing delicate flowers before setting seed and dying back.

Where You’ll Find It (If You’re Lucky)

This rare beauty calls British Columbia, Canada, its exclusive home. Its distribution is so limited that it has earned a Global Conservation Status of S2, meaning it’s considered imperiled due to extreme rarity. With typically only 6 to 20 occurrences remaining and somewhere between 1,000 to 3,000 individual plants left in the wild, every single specimen is precious.

Why You Shouldn’t Plant This One

Here’s where we need to have a serious conversation about conservation ethics. While Macoun’s meadowfoam might sound like an intriguing addition to a native plant garden, this isn’t a species that belongs in cultivation—at least not in the traditional sense. Its imperiled status means that:

  • Wild populations need every individual plant to survive and reproduce
  • Seeds and plants are not commercially available
  • Collecting from wild populations could push the species closer to extinction
  • Even well-intentioned cultivation could introduce genetic pollution to wild populations

Better Alternatives for Your Garden

If you’re drawn to the idea of growing meadowfoam species, consider looking into more common relatives that won’t contribute to conservation concerns. While they may not be native to your specific area, other Limnanthes species are widely available and can provide similar aesthetic appeal without the ethical dilemmas.

For Canadian gardeners specifically, focusing on other native annuals that are more stable and garden-appropriate will give you the satisfaction of supporting local ecosystems without risking rare species.

How You Can Help Instead

Rather than trying to grow Macoun’s meadowfoam, here are meaningful ways to support this rare species:

  • Support habitat conservation organizations working in British Columbia
  • Learn about and protect local rare plant species in your own area
  • Choose abundant native alternatives for your garden
  • Spread awareness about the importance of plant conservation

The Bigger Picture

Macoun’s meadowfoam serves as a perfect example of why native plant gardening needs to be thoughtful and informed. While we celebrate the beauty and ecological value of native species, we must also recognize when our gardening enthusiasm should take a backseat to conservation needs.

Sometimes the best way to honor a rare plant is to leave it undisturbed in its natural habitat, working instead to protect the places where it grows and supporting the scientists and conservationists working to ensure its survival.

The story of Macoun’s meadowfoam reminds us that native gardening isn’t just about what we plant—it’s about understanding our role in the larger web of plant conservation and making choices that truly benefit native ecosystems.

Macoun’s Meadowfoam

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

Geraniales

Family

Limnanthaceae R. Br. - Meadow-Foam family

Genus

Limnanthes R. Br. - meadowfoam

Species

Limnanthes macounii Trel. - Macoun's meadowfoam

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