North America Native Plant

Coral Gilia

Botanical name: Aliciella subnuda

USDA symbol: ALSU9

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gilia subnuda Torr. ex A. Gray (GISU)  âš˜  Gilia subnuda Torr. ex A. Gray ssp. superba (Eastw.) Brand (GISUS)   

Coral Gilia: A Hidden Gem for Southwestern Native Gardens If you’re looking for a charming native wildflower that brings delicate beauty to harsh landscapes, coral gilia (Aliciella subnuda) might just be your new favorite plant. This understated perennial offers a splash of coral-pink color in places where many other flowers ...

Coral Gilia: A Hidden Gem for Southwestern Native Gardens

If you’re looking for a charming native wildflower that brings delicate beauty to harsh landscapes, coral gilia (Aliciella subnuda) might just be your new favorite plant. This understated perennial offers a splash of coral-pink color in places where many other flowers simply can’t survive.

What Is Coral Gilia?

Coral gilia is a native herbaceous perennial (though it can behave as a biennial) that belongs to the phlox family. Don’t let its delicate appearance fool you – this little powerhouse is tough as nails and perfectly adapted to challenging growing conditions. You might also see it listed under its former scientific names, including Gilia subnuda.

This native beauty calls the American Southwest home, naturally growing across Arizona, Colorado, New Mexico, and Utah. It’s perfectly at home in the high desert and mountain regions where extreme temperatures and drought are just part of everyday life.

Why Gardeners Love Coral Gilia

There are plenty of reasons to consider adding coral gilia to your native plant palette:

  • Stunning flowers: The small, tubular coral-pink to bright red blooms are absolutely eye-catching, especially when they appear in loose, airy clusters
  • Pollinator magnet: Hummingbirds go crazy for these tubular flowers, and you’ll also see butterflies and native bees visiting regularly
  • Drought champion: Once established, this plant laughs in the face of drought – perfect for water-wise gardening
  • Low maintenance: Coral gilia pretty much takes care of itself once you get it going
  • Native credentials: You’re supporting local ecosystems and wildlife by choosing this indigenous species

Where Coral Gilia Shines

This isn’t a plant for formal English gardens or lush cottage landscapes. Coral gilia is happiest in:

  • Rock gardens where it can nestle between stones
  • Native plant gardens celebrating regional flora
  • Xeriscapes and drought-tolerant landscapes
  • Naturalized areas where it can spread and self-seed
  • Wildflower meadows with other southwestern natives

The plant typically reaches about 1-3 feet tall with a similar spread, making it perfect as an accent plant or grouped in drifts for more impact.

Growing Coral Gilia Successfully

The good news is that coral gilia wants to succeed – you just need to give it the right conditions.

Location and Soil

Choose a spot with full sun and excellent drainage. This plant absolutely cannot tolerate soggy soil, so if you have heavy clay, consider raised beds or slopes. Sandy, rocky, or gravelly soils are ideal. Coral gilia actually prefers slightly alkaline conditions, so don’t worry if your soil pH runs high.

Planting Tips

The easiest way to establish coral gilia is from seed, sown directly in fall or early spring. The seeds need cold stratification (a period of cold, moist conditions) to germinate well, so fall planting often works best. Simply scatter seeds where you want them to grow and let nature take its course.

If you’re starting with nursery plants, spring planting after the last frost works well in USDA zones 4-8.

Care and Maintenance

Once established, coral gilia is refreshingly low-maintenance:

  • Watering: Water regularly the first year to establish roots, then only during extended dry periods
  • Fertilizing: Skip it entirely – rich soil actually makes the plant weak and floppy
  • Deadheading: Remove spent flowers to encourage more blooms and prevent excessive self-seeding if desired
  • Winter care: Cut back dead foliage in late fall or leave it for winter interest and natural reseeding

Potential Considerations

While coral gilia is generally problem-free, there are a few things to keep in mind:

  • It can self-seed prolifically in ideal conditions – great for naturalizing, but monitor if you want controlled growth
  • The plant may go dormant during extreme heat or drought, which is normal survival behavior
  • Overwatering or rich soil can cause weak, floppy growth

The Bottom Line

Coral gilia is a fantastic choice for gardeners in the Southwest who want to embrace native plants and support local wildlife. It’s particularly perfect if you’re dealing with challenging growing conditions like poor soil, drought, or temperature extremes. While it may not be the showiest plant in your garden, its delicate beauty and ecological benefits make it a valuable addition to the right landscape.

Just remember – this is a plant that thrives on benign neglect. Give it sun, drainage, and space to do its thing, and coral gilia will reward you with years of charming blooms and happy hummingbirds.

Coral Gilia

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

Polemoniaceae Juss. - Phlox family

Genus

Aliciella Brand - aliciella

Species

Aliciella subnuda (Torr. ex A. Gray) J.M. Porter - coral gilia

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