North America Native Plant

Mohr’s Coneflower

Botanical name: Rudbeckia mohrii

USDA symbol: RUMO6

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Mohr’s Coneflower: A Wetland Wonder for Southern Gardens If you’re looking for a native wildflower that thrives in those persistently soggy spots in your garden, meet Mohr’s coneflower (Rudbeckia mohrii). This cheerful perennial is like that friend who actually enjoys rainy days – it absolutely loves wet feet and will ...

Mohr’s Coneflower: A Wetland Wonder for Southern Gardens

If you’re looking for a native wildflower that thrives in those persistently soggy spots in your garden, meet Mohr’s coneflower (Rudbeckia mohrii). This cheerful perennial is like that friend who actually enjoys rainy days – it absolutely loves wet feet and will reward your marshy areas with bright, sunny blooms.

What Makes Mohr’s Coneflower Special

Mohr’s coneflower is a true southeastern native, naturally occurring only in Florida and Georgia. As a perennial forb, it comes back year after year without any woody stems to worry about. Think of it as nature’s way of adding permanent sunshine to your wettest garden spots.

The Look You’ll Love

This delightful wildflower produces classic daisy-like blooms with bright yellow petals radiating from dark, prominent centers. The flowers appear from summer through fall, creating months of color when many other plants are calling it quits for the season. The blooms sit atop sturdy stems that can handle the wet conditions this plant craves.

Perfect Garden Roles

Mohr’s coneflower shines in several garden situations:

  • Rain gardens where water naturally collects
  • Bog gardens and wetland restorations
  • Native plant gardens focused on local species
  • Naturalized areas that mimic wild wetland habitats
  • Problem spots that stay consistently wet

A Pollinator Paradise

Like other members of the Rudbeckia family, Mohr’s coneflower is a pollinator magnet. Bees, butterflies, and other beneficial insects flock to its nectar-rich blooms. The seeds that follow also provide food for birds, making this plant a true wildlife winner.

Growing Conditions

Here’s where Mohr’s coneflower gets interesting – it’s what botanists call an obligate wetland species. This means it almost always occurs in wetlands in nature and needs consistently moist to wet soil conditions to thrive. Don’t try to grow this one in your drought-tolerant garden!

Ideal conditions include:

  • Full sun to partial shade
  • Consistently moist to wet, even boggy soil
  • USDA hardiness zones 8-10
  • Areas that don’t dry out during summer

Planting and Care Tips

Spring is the best time to plant Mohr’s coneflower. Since this species has a limited natural range, make sure you’re purchasing from reputable native plant sources. Here’s how to keep your plants happy:

  • Plant in spring after the last frost
  • Choose the wettest spot in your garden
  • Maintain consistent moisture – never let the soil dry out
  • Mulch around plants to help retain moisture
  • Divide clumps every 3-4 years to maintain vigor
  • Deadhead spent blooms to encourage continued flowering

Why Choose This Native Beauty

As a native species, Mohr’s coneflower supports local ecosystems in ways that non-native plants simply can’t match. It has co-evolved with regional wildlife and provides food and habitat that imported species often fail to deliver. Plus, there’s something deeply satisfying about growing plants that naturally belong in your area.

If you have wet areas in your southeastern garden that you’ve been struggling to fill, Mohr’s coneflower might just be your perfect match. It turns problematic soggy spots into beautiful, ecologically valuable garden features that both you and local wildlife will appreciate.

Just remember – this isn’t a plant for everyone or every garden. But if you’re in zones 8-10 with consistently wet conditions and a love for native plants, Mohr’s coneflower could become one of your new favorites.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Mohr’s Coneflower

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Rudbeckia L. - coneflower

Species

Rudbeckia mohrii A. Gray - Mohr's coneflower

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