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from Intrinsic Introductions


Rudbeckia ‘American Gold Rush’ on PPA Plant Of The Year Website

3/10/25—There’s a new Perennial Plant Association website dedicated to their many years of showcasing picks for PPA Plant Of The Year, beginning in 1990. Rudbeckia ‘American Gold Rush’ won the award in 2023 for its long season of dazzling color, beautiful habit, and disease resistance (making it an excellent replacement for ‘Goldsturm’) so it’s among the cultivars profiled on the new site. Brent weighs in with his thoughts on the discovery of this award-winning rudbeckia as well.

It’s an honor for Rudbeckia ‘American Gold Rush’ to be included among the PPA Plant of the Year award recipients. This means that hundreds of respected members from across the horticultural industry voted for the plant as “a low-maintenance, pest and disease-resistant superstar that can thrive in a wide range of climates.” Also, it’s important to note that the PPA has no commercial interest in any of the plants considered; cultivars are recognized solely for their exceptional performance. PPA members are the plant experts, and Plant of the Year award winners are the plants they trust most.

Founded in 1984, the PPA is a non-profit organization of horticulture professionals from throughout the United States and Canada. Members include growers, retailers, landscape designers & contractors, educators, and other herbaceous perennial industry pros. The community is one “where passions for perennials run deep and professional camaraderie is nurtured.”

Intrinsic Perennial Gardens At The Penn State Flower Trials

It was a great year for Intrinsic Perennial Gardens at the 2024 Penn State Flower Trials. Intrinsic’s entries had amazing performances. Eupatorium ‘Blind Date’ earned a perfect 5.0 score in its third and final year of the in-ground trials and was awarded the top Best of Show honors. ‘Blind Date’ is a native wetland species with chocolate-red foliage topped by milky white flowers in summer. The blooms are held on three-foot tall stems, and the leaves become beautifully bronze in full sun. It combines easily with other varieties in the garden.

Pycnanthemum ‘Smokey Mountain Mint’ was a big hit with visitors to the trial gardens. It also earned a perfect 5.0 score and Best of Show honors. ‘Smokey Mountain Mint’ is a hybrid incanum that has wide appeal to humans and pollinators alike. Gray foliage has a purple cast below the silver tips, and bract-like leaves surround flower clusters at the ends of the long stems on this vigorous, rhizomatous plant.

Aster ‘Thunderdome’ earned the Director’s Select award with a final overall average of 4.64 out of 5.0. ‘Thunderdome’ is a new color break for this type of aster. A hybrid, it has the purple flower of New England aster and the fragrant foliage and bushy, substantial habit of aromatic aster. Plants are large in the garden, growing three to four feet tall and up to three feet wide.

The Penn State Flower Trials’ gardens are living laboratories and garden classrooms for horticulture, plant pathology, and entomology. At The Penn State Flower Trials, judges evaluate plants during the growing season, provide information for commercial growers and gardeners, and hold an annual Field Day for a visual evaluation and tour. They also conduct tours on request. This year the Penn State Flower Trials welcomed approximately 230 visitors on Field Day, with many more joining them throughout the season.

Greenhouse Management Magazine Cover Story

11/1/24—Brent made the cover of Greenhouse Management magazine’s November, 2024 issue. Essentially Flourishing: How Intrinsic Perennial Gardens Brings Durable Ornamentals To Market is a deep dive into Brent’s path toward breeding perennials and bringing them to market. Editorial director Kelli Rodda gets a behind-the-scenes look at what led to his discovery of some of his well-known plants, such as Sedum ‘Autumn Charm’ (Lajos) and Rudbeckia ‘American Gold Rush’. He also discusses his focus on durability and the many nuances involved in breeding for that quality, including the naturalistic garden trend, and takes us through the process of bringing a plant from an initial concept through trials.

As a plant breeder for over three decades and the second generation owner of Intrinsic Perennial Gardens, Brent was a natural choice for the cover. Over the years he’s introduced a range of perennials, grasses, and sedums based on his work with landscapers and retailers in the Chicagoland area. His plants are highly regarded in the industry and have won numerous awards, including the prestigious Perennial Plant Association (PPA) Perennial Plant of the Year 2023 for ‘American Gold Rush’.

Greenhouse Management is the leading trade publication serving wholesale greenhouse businesses. Growers depend on it for in-depth educational content month after month. Their team delivers the most up-to-date independent research, trends reports, and relevant business information. It’s published by GIE Media and is part of the GIE Media Horticulture Group, the industry’s most trusted independent voice for the latest news, research, and solutions—from genetics to the garden—to help drive success for their partners and audience.