North America Native Plant

Sweet Shaggytuft

Botanical name: Stenandrium dulce var. floridanum

USDA symbol: STDUF

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gerardia dulcis (Cav.) Nees var. floridana (A. Gray) S.F. Blake (GEDUF)  âš˜  Gerardia floridana (A. Gray) Small (GEFL3)  âš˜  Stenandrium floridanum (A. Gray) Small (STFL)   

Sweet Shaggytuft: Florida’s Elusive Native Wildflower If you’re a native plant enthusiast with a passion for rare and unusual species, you might be intrigued by sweet shaggytuft (Stenandrium dulce var. floridanum). This little-known native forb represents one of Florida’s more mysterious botanical treasures—emphasis on mysterious, as this plant keeps a ...

Rare plant alert!

Region: Conservation status by state

Status: S3S5T1T2Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Subspecies or variety is 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) ⚘ 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 ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Sweet Shaggytuft: Florida’s Elusive Native Wildflower

If you’re a native plant enthusiast with a passion for rare and unusual species, you might be intrigued by sweet shaggytuft (Stenandrium dulce var. floridanum). This little-known native forb represents one of Florida’s more mysterious botanical treasures—emphasis on mysterious, as this plant keeps a pretty low profile in both the wild and in cultivation.

What Makes Sweet Shaggytuft Special?

Sweet shaggytuft belongs to that fascinating group of plants that botanists call forbs—essentially, herbaceous flowering plants that aren’t grasses, sedges, or rushes. As a perennial, this variety has the staying power to return year after year, though finding it in the first place might prove to be the bigger challenge.

This particular variety is endemic to Florida, meaning you won’t find Stenandrium dulce var. floridanum growing naturally anywhere else in the world. Talk about Florida exclusivity! The plant also goes by several scientific synonyms, including Stenandrium floridanum and Gerardia floridana, which reflects the ongoing botanical detective work scientists do to properly classify our native flora.

Where Does It Call Home?

Sweet shaggytuft has chosen Florida as its one and only home base. Unlike its more widespread cousins, this variety has put all its geographical eggs in the Sunshine State basket. This limited distribution is part of what makes it so special—and so challenging to study and cultivate.

The Rarity Reality Check

Here’s where things get serious: sweet shaggytuft carries a Global Conservation Status that indicates it’s quite rare and potentially vulnerable. This isn’t a plant you’ll find at your local nursery, and that’s actually a good thing from a conservation perspective. If you’re interested in growing this species, it’s crucial to work only with responsibly sourced material and to understand that you’d be participating in conservation efforts rather than casual gardening.

The Cultivation Conundrum

If you’re hoping for detailed growing instructions, you might be disappointed. The rarity of sweet shaggytuft means there’s limited information about its cultivation requirements, preferred growing conditions, or maintenance needs. This knowledge gap reflects both the plant’s scarcity and the fact that it hasn’t been widely studied or grown in garden settings.

What we do know is that it’s a perennial forb, which suggests it would return each growing season under the right conditions. However, without specific data on its preferred soil, light, or water requirements, growing this plant would be more of an educated experiment than a sure thing.

Should You Try to Grow Sweet Shaggytuft?

The honest answer is: probably not, unless you’re deeply involved in native plant conservation efforts. Here’s why:

  • Its rarity means finding seeds or plants would be extremely difficult
  • Limited cultivation information makes success uncertain
  • Conservation efforts might be better served by protecting existing wild populations
  • There are many other beautiful Florida native plants that are easier to grow and more readily available

Better Alternatives for Your Florida Native Garden

If you’re drawn to the idea of growing rare Florida natives, consider starting with species that are better documented and more accessible. Many Florida wildflowers offer similar ecological benefits with much better chances of gardening success. Local native plant societies and conservation organizations can point you toward appropriate alternatives that support local ecosystems without putting rare species at risk.

The Conservation Connection

Sometimes the most responsible thing we can do as gardeners is to appreciate a plant from afar. Sweet shaggytuft serves as a reminder that Florida’s native flora includes many species that exist in delicate balance with their environment. By learning about plants like this one, we develop a deeper appreciation for the complexity and fragility of our native ecosystems.

If you encounter sweet shaggytuft in the wild (and you’d be quite fortunate to do so), the best thing you can do is observe, photograph, and perhaps report the location to local botanists or conservation groups. Every sighting contributes valuable data to our understanding of this elusive species.

While sweet shaggytuft might not end up in your garden, it can certainly capture your imagination and deepen your appreciation for Florida’s remarkable botanical diversity. Sometimes the plants we can’t grow teach us the most about the wild places we’re working to protect.

Sweet Shaggytuft

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

Acanthaceae Juss. - Acanthus family

Genus

Stenandrium Nees - shaggytuft

Species

Stenandrium dulce (Cav.) Nees - sweet shaggytuft

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