North America Native Plant

Sleepydaisy

Botanical name: Xanthisma

USDA symbol: XANTH

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Sleepydaisy (Xanthisma): A Charming Native Wildflower for Southwestern Gardens If you’re looking to add some authentic southwestern charm to your garden, meet sleepydaisy – a delightful native wildflower that’s as intriguing as its dreamy common name suggests. This annual forb might not be the flashiest plant in your garden center, ...

Sleepydaisy (Xanthisma): A Charming Native Wildflower for Southwestern Gardens

If you’re looking to add some authentic southwestern charm to your garden, meet sleepydaisy – a delightful native wildflower that’s as intriguing as its dreamy common name suggests. This annual forb might not be the flashiest plant in your garden center, but for those seeking to create authentic regional landscapes, it’s a gem worth discovering.

What is Sleepydaisy?

Sleepydaisy (Xanthisma) is a native annual forb that belongs to the sunflower family. As a forb, it’s a non-woody flowering plant that completes its entire life cycle in a single growing season. Think of it as nature’s way of painting temporary splashes of color across the southwestern landscape each year.

Where Does Sleepydaisy Call Home?

This lovely native has carved out its niche in the American Southwest, naturally occurring across Arizona, New Mexico, Oklahoma, and Texas. It’s perfectly adapted to the unique conditions of this region, making it an excellent choice for gardeners wanting to work with nature rather than against it.

Why Consider Sleepydaisy for Your Garden?

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

  • True native authenticity: Supporting local ecosystems by choosing plants that naturally belong in your region
  • Low-maintenance appeal: Native plants typically require less water and care once established
  • Wildlife support: As a member of the sunflower family, it likely provides nectar and seeds for local wildlife
  • Unique character: Its charming common name hints at a plant with personality

Growing Sleepydaisy Successfully

While specific growing information for Xanthisma as a genus is limited, we can make educated assumptions based on its native habitat and plant family characteristics:

Ideal Growing Conditions

  • Sunlight: Likely prefers full sun, typical of southwestern natives
  • Soil: Probably thrives in well-draining soils, as most desert and semi-desert plants do
  • Water: Once established, should tolerate drought conditions typical of its native range
  • Climate: Best suited for regions with similar conditions to its native southwestern habitat

Planting Tips

Since sleepydaisy is an annual, you’ll need to replant each year or allow it to self-seed. Spring planting after the last frost is typically best for annual wildflowers in the Southwest. Consider starting with seeds, as this is often the most economical way to establish annual wildflowers.

Perfect Garden Companions

Sleepydaisy would feel right at home in:

  • Native plant gardens focused on southwestern species
  • Wildflower meadows and naturalized areas
  • Xeriscapes and drought-tolerant landscapes
  • Pollinator gardens supporting local wildlife

A Word About Sourcing

When seeking sleepydaisy for your garden, look for seeds or plants from reputable native plant suppliers who can verify the plant’s local genetic origin. This ensures you’re getting truly regional material that will perform best in your specific area.

The Bottom Line

While sleepydaisy might require a bit more detective work to source than your typical garden center annual, it offers something special: the satisfaction of growing a plant that truly belongs in your regional ecosystem. For southwestern gardeners committed to native landscaping, this charming annual deserves consideration as part of a broader palette of regional wildflowers.

Remember, successful native gardening is often about patience and observation. Start small, learn as you go, and enjoy the process of discovering these wonderful regional treasures that have been thriving in your area for countless generations.

Sleepydaisy

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Xanthisma DC. - sleepydaisy

Species

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