North America Native Plant

American Columbo

Botanical name: Frasera caroliniensis

USDA symbol: FRCA2

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Frasera officinalis W. Bartram (FROF)  âš˜  Frasera verticillata Raf. (FRVE3)  âš˜  Frasera walteri Michx. (FRWA)  âš˜  Swertia caroliniensis (Walter) Kuntze (SWCA)   

American Columbo: A Towering Native Wildflower Worth the Wait If patience is a virtue, then American columbo (Frasera caroliniensis) might just be the plant to help you cultivate it. This remarkable native wildflower is like the tortoise of the plant world—slow and steady, but absolutely spectacular when it finally reaches ...

Rare plant alert!

Region: Alabama

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

American Columbo: A Towering Native Wildflower Worth the Wait

If patience is a virtue, then American columbo (Frasera caroliniensis) might just be the plant to help you cultivate it. This remarkable native wildflower is like the tortoise of the plant world—slow and steady, but absolutely spectacular when it finally reaches the finish line.

What Is American Columbo?

American columbo is a perennial forb native to eastern and central North America. Don’t let the term forb intimidate you—it simply means it’s an herbaceous flowering plant without woody stems, basically a really impressive wildflower. This plant has quite the collection of aliases too, having been known historically as Frasera officinalis, Frasera verticillata, and several other tongue-twisting scientific names.

Where Does It Call Home?

This native beauty has quite an extensive range, stretching across 18 states and provinces from Ontario, Canada, down through the eastern and central United States. You’ll find it growing naturally in Alabama, Arkansas, Georgia, Illinois, Indiana, Kentucky, Michigan, Mississippi, Missouri, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, and Virginia.

A Word of Caution: Rarity Matters

Before you get too excited about adding American columbo to your garden, there’s something important to know. This plant is considered rare in some areas—it has an S2 rarity status in Alabama, meaning it’s imperiled in that state. If you’re planning to grow American columbo, please make sure you source it responsibly from reputable native plant nurseries rather than collecting from wild populations.

Why Gardeners Love (and Sometimes Hate) American Columbo

American columbo is definitely not for the instant gratification crowd. This plant is monocarpic, which means it grows for several years as a leafy rosette, then produces one magnificent flower spike before dying. It’s like the botanical equivalent of a one-hit wonder, but what a hit it is!

When it finally decides to bloom, American columbo puts on quite a show. The plant can reach an impressive 3 to 9 feet tall, sending up a towering spike covered in greenish-white flowers. It’s an architectural marvel that commands attention in any garden setting.

Perfect Garden Spots for American Columbo

This native wildflower shines in several garden settings:

  • Native plant gardens and prairie restorations
  • Naturalized woodland edges
  • Back-of-border plantings where its height can be appreciated
  • Wildflower meadows
  • Any space where you want a dramatic, conversation-starting specimen

Growing Conditions and Care

The good news about American columbo is that it’s relatively low-maintenance once you understand its needs. This plant is quite adaptable and can handle a range of conditions:

Light: Partial shade to full sun
Soil: Well-drained soils; tolerates poor conditions
Water: Drought tolerant once established
USDA Zones: 4-8

American columbo is surprisingly tough and can handle less-than-perfect soil conditions. Once established, it’s quite drought tolerant, making it a great choice for low-maintenance gardens.

Planting and Care Tips

Growing American columbo successfully is more about patience than technique:

  • Start with plants from reputable nurseries—remember, this species can be rare in some areas
  • Plant in spring or fall when temperatures are moderate
  • Give it space—this plant needs room to show off when it finally blooms
  • Water regularly the first year to help establish roots, then back off
  • Don’t expect flowers for several years—enjoy the foliage rosette while you wait
  • Minimal fertilization needed; too much can actually delay flowering

Wildlife and Pollinator Benefits

When American columbo finally blooms, it becomes a pollinator magnet. The flowers attract a variety of bees, butterflies, and other beneficial insects. The plant’s long blooming period provides a reliable nectar source during its flowering years.

Is American Columbo Right for Your Garden?

American columbo is perfect for gardeners who appreciate the journey as much as the destination. If you’re looking for instant color and don’t mind waiting several years for the payoff, this native wildflower could be exactly what your garden needs. It’s ideal for anyone interested in supporting native ecosystems and doesn’t mind a plant with a bit of personality.

Just remember to source responsibly and give this slow-growing beauty the time and space it needs to reach its full potential. When it finally blooms, you’ll understand why some gardeners consider it worth every year of waiting.

American Columbo

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

Gentianales

Family

Gentianaceae Juss. - Gentian family

Genus

Frasera Walter - green gentian

Species

Frasera caroliniensis Walter - American columbo

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