Non-native Plants

Tricolor Daisy

Glebionis carinatum

USDA symbol: GLCA5

annual forb

Lower 48 states: non-native, naturalized

Looking for a flower that’s basically nature’s version of a bullseye? Meet the tricolor daisy (Glebionis carinatum), a delightfully showy annual that brings instant cheer to any garden with its distinctive concentric rings of color. While it might not be a hometown hero, this Mediterranean native has charmed gardeners worldwide ...

Tricolor Daisy: A Cheerful Annual with Rainbow Rings

Looking for a flower that’s basically nature’s version of a bullseye? Meet the tricolor daisy (Glebionis carinatum), a delightfully showy annual that brings instant cheer to any garden with its distinctive concentric rings of color. While it might not be a hometown hero, this Mediterranean native has charmed gardeners worldwide with its easy-going nature and eye-catching blooms.

What Makes Tricolor Daisy Special

The tricolor daisy earns its name honestly – each flower displays beautiful bands of color that typically feature white outer petals, a yellow middle ring, and a deep red or orange center. It’s like someone took a regular daisy and gave it a makeover with nature’s paintbrush! You might also see this plant listed under its former scientific names, Chrysanthemum carinatum or Ismelia carinata, but don’t let the name changes fool you – it’s the same cheerful flower.

Native Status and Where It Grows

Originally from the Mediterranean region and North Africa, tricolor daisy has made itself at home in parts of the United States, particularly California and Massachusetts. As a non-native species that reproduces spontaneously in the wild, it’s found its niche in American gardens and naturalized areas. While it’s not considered invasive, it’s always worth considering native alternatives that support local ecosystems.

  • Species observed
  • No observations

Garden Appeal and Design Uses

This charming forb (that’s garden-speak for a non-woody flowering plant) grows as an annual, completing its entire life cycle in one growing season. Tricolor daisies typically reach 12-24 inches tall and spread about 12 inches wide, making them perfect for:

  • Annual flower borders
  • Cottage garden displays
  • Cut flower gardens
  • Container plantings
  • Naturalized meadow areas

Benefits for Pollinators and Wildlife

Despite being a non-native, tricolor daisy does offer some benefits to local pollinators. Its open, daisy-like flowers provide easily accessible nectar and pollen for bees, butterflies, and other beneficial insects. The flowers bloom over a long period, typically from late spring through fall, offering a consistent food source when planted alongside native species.

Growing Conditions and Care

One of tricolor daisy’s best qualities is its laid-back attitude toward growing conditions. This Mediterranean native thrives in:

  • Light: Full sun (6+ hours daily)
  • Soil: Well-drained, average to poor soil
  • Water: Drought tolerant once established, but benefits from occasional watering
  • Climate: Grown as an annual in USDA zones 2-11

The plant actually prefers lean soils and can become too lush in overly fertile conditions, potentially producing more foliage than flowers.

Planting and Care Tips

Growing tricolor daisy is refreshingly simple:

  • Sowing: Direct sow seeds in spring after the last frost, or start indoors 6-8 weeks earlier
  • Spacing: Plant seeds about 12 inches apart
  • Germination: Seeds typically sprout within 10-20 days
  • Maintenance: Deadhead spent flowers to encourage continued blooming
  • Self-seeding: Allow some flowers to go to seed if you want volunteers next year

Should You Grow Tricolor Daisy?

Tricolor daisy makes a solid choice for gardeners seeking reliable color and pollinator appeal. While it’s not native, it’s well-behaved and offers benefits to garden ecosystems. However, consider balancing non-native plantings with native alternatives like:

  • Native asters for similar daisy-like flowers
  • Black-eyed Susan (Rudbeckia species)
  • Purple coneflower (Echinacea species)
  • Regional wildflower mixes

The tricolor daisy’s easy-care nature, long blooming period, and distinctive appearance make it a worthy addition to gardens where a splash of reliable color is needed. Just remember to pair it with native plants to create the most beneficial environment for local wildlife while enjoying those cheerful rainbow rings all season long!

Glebionis carinatum is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Glebionis carinatum is also known as:

Chrysanthemum carinatum | USDA symbol: CHCA9
Ismelia carinata | USDA symbol: ISCA7

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Glebionis Cass. - glebionis

Species: Glebionis carinatum (Schousb.) Tzvelev - tricolor daisy

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