Yikes, campers! I think I burned myself picking up my sun-drenched sprinkler! What a summer!
This month I thought it more important to show some awesome plants that smile at one hundred degrees with special thanks to Dallas arboretum for their input and listing in the FlameProof Awards. These are given to plants that happily tolerate weeks in the hundreds. I’m always surprised to walk by our Dicentra Amore™ ‘Titanium’ blooming at this temperature. You’d think it would be most happy in a moist, shaded home but this plant growing in gravel in my rock garden has roots in a Japanese species that thrives in screes on Japanese mountain tops. Mixing the genes to create a sterile, everblooming perennial is the Terra Nova magic touch. This is a great time to visit Cultivate ’26, the largest hort show in North America. Ask the question here; can this be a great plant for my well-cooked customers?
Again, our intrepid breeders search and find the odd species that adds resistance to heat, cold, mildew, and viral diseases and bring on the Terra Nova Touch, with a plant that defies the old rules. Today’s three plants have such a pedigree. Our amazing Agastache ‘Prince’s Plume’ has even longer panicles than ‘Blue Boa’, the previous record holder and gold standard. Its roots are in Arizona giving it heat and drought resistance, and other species make it a rebloomer and tall. Y’all asked for tall and we have it in a thirty-six-inch masterpiece. From Japan, with hot and humid days comes a Campanula with curious flowers like exploded Chinese lanterns. It’s a spreader and perfect for rock gardens. It took Dallas heat like a champ! The American Southeast and Florida are no slouch for heat. Orlando alone has one hundred five days over ninety degrees F. One such denizen thriving in this heat is Coreopsis verticillata.
Here’s the link to our current catalog, our 2027 catalog is done, and it will be subbed here when we do the BIG NEW release on July 24th. Stay tuned. This is a big launch for us for a familiar genus with an incredible new form- and in colors! Linked below, is a colorful and informative magazine. You will learn about the ways of our breeding and witness the remarkable introductions we have introduced over the last thirty-four years. Besides, there’s a lot of groovy pictures, container combos and especially gigantic installations in Australia and China that use our plants on a huge scale.
Come explore these three remarkable offerings by the ORIGINAL innovators: Terra Nova™.
This article is handwritten.
Agastache ‘Prince’s Plume’
Stately, elegant, lavender-violet flowers in great abundance crowd this plant with color from June until frost. Fragrant flowers on huge, long spikes and attractive foliage attract throngs of hummingbirds and vast casts of bumble bees. ‘Princes Plume’ impresses with its hardiness, great quality foliage and floral display. Very disease resistant and the foliage has a minty scent that herbivores like deer don’t like. Hardy in USDA zones five to ten. The flower stems grow to thirty-six inches high in a strong upright habit, thirty inches wide by six inches high in its first season. Full sun as this has native plant blood from wild species in Arizona. You can expect blooms from June to September! Great background plant in the border. You asked for tall plants, and this is a sterling example!
Buds like pink-speckled Japanese lanterns open to striking pink, octopus-like flowers. Over fifty blooms flutter down from the nicely upright flowering branches above strong, deeply cut foliage. Unique and interesting! Long bloom time and easy to grow. This spreader does very well in the South and is one of the most heat-tolerant species of the Campanula genus. Tolerant of most soils. Jimmy Turner, while at the Dallas Arboretum recommended this plant for green roofs as it is a spreader. It won a prestigious FlameProof Award which is given annually by the Dallas Arboretum and Botanical Garden to plant varieties that have thrived under the extreme heat and humidity of a Texas summer often tolerating three weeks at or above one hundred degrees. Vigorous! Hardy in USDA zones five to nine. The flower stems grow to fifteen inches high. Foliage height is ten inches tall. Full sun to partial shade, blooming from June to July. Bees love them!
This is a Coreopsis verticillata type with striking orange, red-eyed flowers. These are heat tolerant and hardy, with a clean, manicured habit, an extremely long bloom time. Mildew is sometimes a problem with Coreopsis, but this shrub-like beauty has feathery, mildew resistant foliage. It hails from the Southeast US from Florida up through the southern states and the eastern seaboard. A native of well-drained soil in dry savannahs, it tolerated heat and drought well. Hardy in USDA zones six to 10. The flower stems grow to eighteen inches high. Foliage height is ten inches tall. Full sun, blooming from June to September! Loved by many bees!
Dan Heims is an award-winning author who lectures throughout the world. He was recently honored by The American Horticultural Society with the Luther Burbank Breeding Award, as well as the Perennial Plant Association’s Award of Merit. He was also honored in receiving the Royal Horticultural Society’s Reginald Cory Cup for advancements in breeding. A 2025 Silver Laurel Award was granted by GardenComm International for Terra Nova’s unusual 2025 Commercial Catalog.
By: All Aboard Travel, Dreams and Destinations, and Explora Journeys
In 2027 GardenSMART will be turning 30. That’s a long time for a Television show and we are planning a spectacular cruise on the Western Mediterranean to celebrate. Importantly we would like for GardenSMART newsletter readers and our TV audience to join us. We’re excited, think you will be too. A great cruise plus watching GardenSMART at work filming beautiful shows in a wonderful part of the world. Click here to learn more about this fantastic journey and how you can join us at work.
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