I can barely remember a time when I wasn’t enamored with Rudbeckia maxima.  It all started with a clump in my Grandmother Emanis’ backyard in Deep East Texas. A friend had shared a start with her. I had no idea that it was an East Texas wildflower as it didn’t occur anywhere around our family property or along the route from our home in Longview to my ancestral grounds in rural Shelby County. It’s been a part of my life ever since, towering over my borders, standing sentinel in my prairie patches, and brightening the wild margins of pastures and roadsides as I ramble the highways of the Ark-La-Tex. Some folks plant flowers. I’ve always planted stories; and Rudbeckia maxima is a tall tale that I have lived to tell.

Known by several common names including giant coneflower, swamp coneflower, and cabbage-leaf coneflower, Rudbeckia maxima doesn’t shy away from attention. It’s the kind of plant that turns heads and sparks questions from Master Gardeners and novices alike. With powdery blue-green foliage that resembles oversized cabbage leaves and tall, bare stems topped with golden petals and a chocolate cone center, it’s impossible to miss. I’ve seen them easily reach six feet tall in my own plantings, rising up like botanical exclamation points.

According to Jason Singhurst, Botanist and Plant Community Ecologist with Texas Parks and Wildlife Department, this native perennial is found in moist prairies and savannas on sandy, silty and clay soils in the Pineywoods and Post Oak Savanna. Giant coneflower naturally occurs in Arkansas, Louisiana, Oklahoma, South Carolina and Texas. He adds that is was discovered by the English botanist and plant explorer Thomas Nuttall (1786-1859) in 1816 near the Red River in Oklahoma Territory.

Cherokee County

In addition to some wonderful populations along the highway, I’ve had the fortunate experience of seeing two different extensive stands that covered entire pastures, one in Cherokee County and one in Rusk County.  I love perusing thousands of seedlings and selected a gold-leafed form from the edge of the Cherokee County stand that I named ‘Golda Emanis’ after a great aunt and two bronze flowered seedlings near a gas well from the Rusk County stand that I’m using for breeding purposes.  Sadly both of those incredible scenes were completely wiped out by herbicide applications in order to promote monocultured non-native pasture grasses.

When I first started my career in the 1980’s I heard that giant coneflower was trendy in European gardens and on Long Island, yet like many local natives I had never seen it in a Texas garden. I changed that with the first perennial border I ever created by dividing my granny’s clump and planting a sweep of them on the north side of my parent’s new house.  A few years later I created my then famous 100 foot long “Rainbow Border” in front of their house and divided the previous stand into an even larger stand. Each year the border got cut back and the debris was piled in the pasture. This allowed seeds to germinate and created a stand on the hill behind their house.  Each year I would collect seed from those and started a patch in the middle of my bulb meadow out in front of my old farmhouse. From there, I added them to my Picnic Pocket prairie and then to my pine savanna pollinator understory plantings. Most recently I added the bronze flowered seedlings to my pocket prairie at Big Momma’s where I’ll let them naturalize in order to select and name a novel colored cultivar one day.

Rainbow Border

There’s something unmistakably architectural about it, those broad basal leaves provide a unique contrast to finer-textured companions. I like pairing it with native grasses and other East Texas prairie plants. When I’m planting one of my pocket prairies, it always earns a place. It’s a touch of drama, a slice of the wild, and a pollinator magnet all in one.

Despite its name, it’s not really a swamp plant in the way most folks might imagine. It prefers moist soil to get started but resents staying soggy. Mine thrive in well-drained sandy loams and clays. It’s adaptable and forgiving; qualities I wish more plants and people possessed.

Pollinators love it, of course. The towering blooms become landing pads for bees and butterflies, while the seed heads are a songbird buffet. If I don’t collect the seed myself, I often leave the stems standing through winter just for the birds, even if they lean or flop a little after a storm. I figure if nature doesn’t mind, neither should I. However, if you prefer a tidier garden and a bit of rebloom, the flowering stems can be cut back as the petals fade.

It’s not as common in the trade as I think it should be, perhaps because of its slow spread or awkward pot size. But most gardeners who know it love it. I’ve seen it growing in perennial borders, urban pocket prairies, and formal estate gardens alike. It seems equally at home in a prairie restoration or a suburban bed.

For gardeners who want to grow Rudbeckia maxima, I recommend planting it in the fall or early spring to give it time to root before summer. Once you see those distinctive blue-gray leaves poking up, you’ll know you’ve got a keeper. Water it well the first year, then let it tough it out with the rest of your natives.

Picnic Pocket Prairie

It doesn’t need fertilizing or pampering, but it does appreciate a little elbow room. I usually give each plant about three feet of space so the leaves can do their cabbagey thing without competition. If you read my previous blog about Grime’s Triangle, Rudbeckia maxima is best classified as a stress tolerator with some competitive tendencies. It’s well adapted to stable, relatively low-resource environments like prairies, meadows, and Earth-Kind borders where persistence and structure matter more than speed.

Like all good plants, Rudbeckia maxima teaches patience. It won’t bloom its first year from seed and it may take a season or two to reach full stature. But when it does, it will reward you with a display that’s both graceful and bold and most likely outlive you.

Bronze seedlings

Some plants come and go in our gardens. They’re experiments, flings, short-lived fascinations. But others become lifelong companions. Rudbeckia maxima is one of mine. It reminds me of childhood explorations, of prairie roots, and of the joy of gardening with purpose. In a world of new cultivars and trending perennials, I take comfort in its old-fashioned reliability and wild beauty.

If you don’t already have it in your garden, I hope you’ll give it a try. And if you ever come across it in the wild, take a moment to admire it. It’s one of those plants that doesn’t just grow, it endures. And like the best gardening memories, it stays with you for a lifetime.