North America Native Plant

Yellow Phacelia

Botanical name: Phacelia lutea var. lutea

USDA symbol: PHLUL2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Miltitzia lutea (Hook. & Arn.) A. DC. (MILU2)  âš˜  Phacelia lutea (Hook. & Arn.) J.T. Howell var. purpurascens J.T. Howell (PHLUP)   

Yellow Phacelia: A Bright Native Annual for Western Gardens If you’re looking to add a splash of sunshine to your native plant garden, yellow phacelia (Phacelia lutea var. lutea) might just be the cheerful annual you’ve been searching for. This delightful wildflower brings both beauty and ecological benefits to gardens ...

Yellow Phacelia: A Bright Native Annual for Western Gardens

If you’re looking to add a splash of sunshine to your native plant garden, yellow phacelia (Phacelia lutea var. lutea) might just be the cheerful annual you’ve been searching for. This delightful wildflower brings both beauty and ecological benefits to gardens across the western United States.

What is Yellow Phacelia?

Yellow phacelia is a native annual forb that belongs to the waterleaf family. As a forb, it’s a non-woody plant that completes its entire life cycle in a single growing season. Don’t let its humble classification fool you though – this little plant packs a big punch when it comes to garden appeal!

You might also encounter this plant listed under its synonyms Miltitzia lutea or Phacelia lutea var. purpurascens in older gardening references, but they’re all referring to the same lovely species.

Where Does Yellow Phacelia Call Home?

This native beauty has made itself at home across three western states: Idaho, Nevada, and Oregon. It’s perfectly adapted to the climate and growing conditions of these regions, making it an excellent choice for gardeners who want to work with nature rather than against it.

Why Grow Yellow Phacelia in Your Garden?

There are several compelling reasons to give yellow phacelia a spot in your landscape:

  • Native plant benefits: As a true native, it supports local ecosystems and requires less water and maintenance than non-native alternatives
  • Pollinator magnet: Like other Phacelia species, it’s beloved by bees and other beneficial pollinators
  • Low maintenance: Once established, this annual typically thrives with minimal care
  • Bright blooms: The cheerful yellow flowers add color and texture to wildflower gardens and naturalized areas

Perfect Garden Settings

Yellow phacelia shines brightest in:

  • Native plant gardens
  • Wildflower meadows
  • Xeriscapes and drought-tolerant landscapes
  • Pollinator gardens
  • Naturalized areas where you want a more wild look

Growing Conditions and Care

Like most western natives, yellow phacelia likely prefers:

  • Sunlight: Full sun exposure
  • Soil: Well-draining soils (avoid areas that stay soggy)
  • Water: Moderate to low water needs once established
  • Climate: Suitable for USDA hardiness zones 4-8

Planting and Care Tips

Growing yellow phacelia successfully is typically straightforward:

  • Seeding: Direct sow seeds in fall or early spring for best results
  • Soil prep: Ensure good drainage – this plant doesn’t appreciate wet feet
  • Spacing: Give plants room to spread naturally
  • Watering: Water during establishment, then reduce as the plant matures
  • Maintenance: Minimal care needed – let it do its thing!

Is Yellow Phacelia Right for Your Garden?

Yellow phacelia is an excellent choice for gardeners in Idaho, Nevada, and Oregon who want to create authentic native landscapes. It’s particularly valuable if you’re interested in supporting local pollinators or creating low-maintenance garden areas that still offer seasonal interest.

Since it’s an annual, you’ll need to replant each year or allow it to self-seed for ongoing displays. This can be a pro or con depending on your gardening style – some folks love the predictable seasonal cycle, while others prefer the set-it-and-forget-it nature of perennials.

If you’re gardening outside its native range, consider choosing native alternatives from your local area instead. Every region has its own special wildflowers that are perfectly adapted to local conditions and wildlife needs.

Ready to brighten up your garden with this sunny native? Yellow phacelia might just become your new favorite annual wildflower!

Yellow Phacelia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Hydrophyllaceae R. Br. - Waterleaf family

Genus

Phacelia Juss. - phacelia

Species

Phacelia lutea (Hook. & Arn.) J.T. Howell - yellow phacelia

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