North America Native Plant

Flameflower

Botanical name: Macranthera flammea

USDA symbol: MAFL4

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Flameflower: A Rare Southeastern Wetland Gem Worth Protecting If you’re drawn to rare native plants and have a passion for wetland gardening, you might want to learn about flameflower (Macranthera flammea). This little-known biennial forb is one of the Southeast’s hidden botanical treasures, though it’s definitely not your typical garden ...

Rare plant alert!

Region: Alabama

Status: S3: Status is uncertain but is somewhere between the following rankings: Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘ 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) ⚘

Region: Alabama

Flameflower: A Rare Southeastern Wetland Gem Worth Protecting

If you’re drawn to rare native plants and have a passion for wetland gardening, you might want to learn about flameflower (Macranthera flammea). This little-known biennial forb is one of the Southeast’s hidden botanical treasures, though it’s definitely not your typical garden center find.

What Makes Flameflower Special?

Flameflower is a native biennial forb, meaning it completes its life cycle over two years and lacks the woody tissue you’d find in shrubs or trees. True to its fiery name, this plant produces small, flame-colored blooms that add a unique spark to wetland environments. As a forb, it maintains its herbaceous nature throughout its lifecycle, with perennating buds that overwinter at or below ground level.

Where Does Flameflower Call Home?

This southeastern native has a relatively limited range, naturally occurring in Alabama, Florida, Georgia, Louisiana, and Mississippi. It’s perfectly adapted to the warm, humid conditions of the lower 48 states’ wetland ecosystems.

A Word of Caution: Rarity Matters

Before you get too excited about adding flameflower to your garden, there’s something important you need to know. This species carries a Global Conservation Status of S3, meaning it’s considered vulnerable. In Alabama specifically, it’s rated S2, indicating it’s imperiled. With typically only 21 to 100 occurrences worldwide and between 3,000 to 10,000 individuals, every flameflower plant matters.

If you’re interested in growing this species, please only source plants or seeds from reputable native plant societies or conservation organizations that can guarantee responsible, sustainable collection practices.

Wetland Warrior

Here’s where flameflower gets really specific about its needs: it’s classified as an Obligate Wetland species in both the Atlantic and Gulf Coastal Plain region and the Eastern Mountains and Piedmont region. This means it almost always occurs in wetlands and requires consistently moist to saturated soils to thrive.

This isn’t a plant for your typical perennial border or drought-tolerant landscape. Think more along the lines of:

  • Bog gardens
  • Rain gardens with constant moisture
  • Wetland restoration projects
  • Specialized native plant conservation gardens

Growing Conditions and Care

Given its southeastern native range, flameflower likely thrives in USDA hardiness zones 8-10. As an obligate wetland species, it demands:

  • Consistently moist to wet soils year-round
  • Full to partial sun (typical of wetland environments)
  • Acidic to neutral soil pH
  • High humidity levels

Because it’s a biennial, don’t expect flowers the first year. The plant will spend its first growing season establishing its root system and foliage, then bloom and set seed in its second year before completing its life cycle.

Is Flameflower Right for Your Garden?

Honestly? Probably not, unless you have very specific conditions and conservation goals. This rare beauty is best suited for:

  • Gardeners with existing wetland areas or constructed bog gardens
  • Conservation enthusiasts participating in native plant preservation efforts
  • Specialized collectors with the proper growing conditions
  • Restoration projects in appropriate southeastern wetland habitats

Supporting Conservation Without Growing

If you’re inspired by flameflower but don’t have suitable growing conditions, consider supporting wetland conservation organizations in the Southeast or volunteering with native plant societies. Sometimes the best way to help a rare plant is to protect its wild habitat rather than attempting to cultivate it.

For most gardeners interested in supporting southeastern native plants, there are many other beautiful and less vulnerable wetland species that can provide similar ecological benefits without the conservation concerns. Consider alternatives like cardinal flower, blue flag iris, or swamp milkweed for your wetland garden needs.

Flameflower reminds us that not every native plant is meant for every garden – and sometimes, that’s exactly what makes them special.

Flameflower

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

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Macranthera Nutt. ex Benth. - macranthera

Species

Macranthera flammea (W. Bartram) Pennell - flameflower

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