North America Native Plant

Red-margin Fanpetals

Botanical name: Sida rubromarginata

USDA symbol: SIRU2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Red-Margin Fanpetals: A Rare Florida Native Worth Preserving If you’re a Florida gardener with a passion for rare native plants, red-margin fanpetals (Sida rubromarginata) might just be the botanical treasure you’ve been searching for. This little-known perennial herb represents one of Florida’s unique endemic species, though finding information about it ...

Rare plant alert!

Region: Conservation status by state

Status: S3?Q: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Uncertain taxonomy: ⚘ 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 ⚘

Red-Margin Fanpetals: A Rare Florida Native Worth Preserving

If you’re a Florida gardener with a passion for rare native plants, red-margin fanpetals (Sida rubromarginata) might just be the botanical treasure you’ve been searching for. This little-known perennial herb represents one of Florida’s unique endemic species, though finding information about it can feel like hunting for a needle in a haystack.

What Makes Red-Margin Fanpetals Special?

Red-margin fanpetals is a perennial forb, which is simply a fancy way of saying it’s a non-woody flowering plant that comes back year after year. Unlike trees or shrubs, this native herb stays relatively low to the ground and doesn’t develop thick, woody stems. It’s part of the mallow family, related to hibiscus and cotton, which gives you a hint about its potential flower appeal.

Where Does It Call Home?

This rare gem is native to Florida and appears to be found nowhere else in the world. That makes it what botanists call an endemic species – essentially, Florida’s very own botanical signature. Its extremely limited geographic range adds to both its rarity and its conservation importance.

The Rarity Factor: Handle with Care

Here’s where things get serious: red-margin fanpetals has a conservation status that’s somewhat uncertain, but it’s considered rare enough to warrant special attention. If you’re considering adding this plant to your garden, you’ll want to ensure any plant material comes from responsible sources – never collect from the wild. Think of it as adopting a piece of Florida’s irreplaceable natural heritage.

Why Grow Red-Margin Fanpetals?

While detailed information about this specific species is limited, there are compelling reasons to consider it:

  • You’ll be participating in conservation efforts for a rare Florida endemic
  • It’s a true native that evolved alongside Florida’s other indigenous plants and wildlife
  • As a perennial, it offers lasting value in your landscape
  • It represents botanical diversity that’s increasingly rare in home gardens

Growing Conditions and Care

Since specific growing information for red-margin fanpetals is scarce, we can make educated guesses based on its plant family and Florida origins. Most Florida native herbs prefer:

  • Well-draining soil (Florida’s sandy soils are naturally well-draining)
  • Full to partial sun exposure
  • Tolerance for Florida’s heat and humidity
  • Minimal supplemental watering once established

Given its status as a rare species, it would be wise to start with just one or two plants and observe how they perform in your specific garden conditions before expanding your planting.

Garden Design Considerations

As a low-growing perennial herb, red-margin fanpetals would likely work well in:

  • Native plant gardens focused on conservation
  • Wildflower meadows or naturalized areas
  • Rock gardens or areas with well-draining soil
  • Educational gardens highlighting Florida’s unique flora

The Bottom Line

Red-margin fanpetals isn’t your typical garden center find – and that’s exactly what makes it special. If you can source this rare Florida native responsibly, you’ll be adding a piece of botanical history to your garden while supporting conservation efforts. Just remember: with great rarity comes great responsibility. This isn’t a plant to propagate carelessly or share without proper consideration for its conservation status.

For most Florida gardeners, focusing on more readily available native alternatives might be the practical choice. But for those passionate about rare plant conservation and willing to do their homework on responsible sourcing, red-margin fanpetals offers a unique opportunity to preserve a piece of Florida’s irreplaceable natural heritage right in your backyard.

Red-margin Fanpetals

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Malvales

Family

Malvaceae Juss. - Mallow family

Genus

Sida L. - fanpetals

Species

Sida rubromarginata Nash - red-margin fanpetals

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