North America Native Plant

Lemmon’s Yampah

Botanical name: Perideridia lemmonii

USDA symbol: PELE5

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Lemmon’s Yampah: A Delicate Native Gem for Western Gardens If you’re looking for a charming native plant that brings delicate beauty to your garden while supporting local wildlife, meet Lemmon’s yampah (Perideridia lemmonii). This unassuming perennial forb might not be the showiest plant in your garden, but it’s definitely one ...

Lemmon’s Yampah: A Delicate Native Gem for Western Gardens

If you’re looking for a charming native plant that brings delicate beauty to your garden while supporting local wildlife, meet Lemmon’s yampah (Perideridia lemmonii). This unassuming perennial forb might not be the showiest plant in your garden, but it’s definitely one of the most dependable and ecologically valuable.

What Makes Lemmon’s Yampah Special?

Lemmon’s yampah is a true western native, naturally found across California, Nevada, and Oregon. As a perennial forb, it’s an herbaceous plant that comes back year after year without any woody stems – think of it as the reliable friend who shows up every spring with a bouquet of tiny white flowers.

This native plant belongs to the carrot family, and you’ll notice the resemblance in its delicate, lacy foliage and characteristic umbel flower clusters that look like tiny white fireworks bursting in your garden.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where Lemmon’s yampah really shines – it’s a pollinator magnet! Those small white flower clusters are irresistible to:

  • Native bees of all sizes
  • Beneficial insects
  • Butterflies looking for a nectar source
  • Other small pollinators that need easily accessible flowers

The plant typically reaches a modest height and spread, making it perfect for tucking into naturalistic plantings or creating drifts in meadow gardens. Its feathery foliage adds textural interest even when it’s not in bloom.

Perfect Garden Spots for Lemmon’s Yampah

This adaptable native works beautifully in several garden styles:

  • Native plant gardens: Obviously a perfect fit alongside other western natives
  • Pollinator gardens: Essential for supporting local bee populations
  • Meadow or prairie-style plantings: Provides delicate contrast to grasses and larger forbs
  • Woodland edges: Thrives in the transition zone between sun and shade
  • Low-maintenance landscapes: Once established, it practically takes care of itself

Growing Conditions That Make It Happy

The beauty of native plants like Lemmon’s yampah is that they’re already adapted to your local conditions. Here’s what it prefers:

  • Sunlight: Part shade to full sun – quite flexible!
  • Soil: Well-draining soils (soggy feet are not its friend)
  • Water: Drought tolerant once established, but appreciates some water during extreme dry spells
  • Climate: Hardy in USDA zones 6-9, perfect for most western gardening regions

Planting and Care Tips

Good news for busy gardeners – Lemmon’s yampah is refreshingly low-maintenance:

  • Spring planting: Best time to establish new plants
  • Watering: Regular water the first year, then reduce once established
  • Summer dormancy: Don’t panic if it goes quiet during hot summer months – this is normal!
  • Fall care: Let the spent flowers go to seed for wildlife and self-sowing
  • Spring emergence: Watch for fresh growth as temperatures warm

One quirky trait to expect: like many natives, Lemmon’s yampah might take a little time to get established. The first year it sleeps, the second year it creeps, and the third year it leaps – patience pays off!

Is Lemmon’s Yampah Right for Your Garden?

This native gem is perfect if you want a plant that:

  • Supports local ecosystems and wildlife
  • Requires minimal care once established
  • Adds delicate texture and seasonal interest
  • Fits into naturalistic garden designs
  • Helps create habitat for beneficial insects

However, it might not be the best choice if you’re looking for bold, showy flowers or need something that provides structure year-round. Think of Lemmon’s yampah as a supporting actor rather than the star of the show.

By choosing this native plant, you’re not just adding beauty to your garden – you’re participating in local ecosystem restoration and providing crucial resources for wildlife that have evolved alongside this plant for thousands of years. Now that’s gardening with purpose!

Lemmon’s Yampah

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

Apiales

Family

Apiaceae Lindl. - Carrot family

Genus

Perideridia Rchb. - yampah

Species

Perideridia lemmonii (J.M. Coult. & Rose) T.I. Chuang & Constance - Lemmon's yampah

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