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Dahlia ‘Mystic Illusion’: The Golden Retriever of the Garden

February 8, 2025

If there is a golden retriever puppy of the plant world, it has to be a dahlia. I mean, everybody loves golden retriever puppies, right? And everyone loves dahlias, too. They’re cheerful, charismatic, and full of personality.

This year, I only added one dahlia to the gardens at Coastal Maine Botanical Gardens—Dahlia ‘Mystic Illusion.’ And what a choice it turned out to be. Planted in late April, it’s still blooming strong well into fall. That alone is impressive, but there’s more to love about this plant.

Close-up of a vibrant yellow dahlia with orange accents on its petals, viewed from behind, against a blurred green and gray background. The center of the flower is dark, adding contrast to the bright petals, creating a mystic illusion.
The lovely Dahlia “Mystic Illusion,” shot at the New York Botanical Garden in the Bronx, New York.  Image by John.

Bred by renowned New Zealand hybridizer Dr. Keith Hammett , Dahlia ‘Mystic Illusion’ is part of the Mystic series, a collection of dahlias known for their striking dark foliage and bright, single-petaled flowers. This particular variety features large, sunshine-yellow blooms perched atop near-black leaves, creating one of the most eye-catching color contrasts in the garden. It’s a patented plant, which means you won’t find exact copies elsewhere, and in my experience, it outshines some of its closest relatives.

I was already familiar with Dahlia ‘Yellow Hammer,’ a similar yellow-flowered dahlia, but ‘Mystic Illusion’ takes things up a notch. One of the biggest frustrations I’ve had with Dahlia ‘Bishop of Llandaff’ and ‘Yellow Hammer’ is that their blooms tend to get lost in the foliage. Not with ‘Mystic Illusion.’ This variety holds its flowers well above the leaves, making sure those golden blooms are always on display.

Another major perk? No staking required. Dahlias are notorious for flopping over, but ‘Mystic Illusion’ is touted as self-supporting, and so far, it’s living up to the promise. It has a nice, compact growth habit—about 24 to 36 inches tall—which makes it an excellent choice for borders, containers, or anywhere you want a reliable burst of color.

A vibrant yellow Dahlia 'Mystic Illusion' blooms with a dark red center, surrounded by shadowy foliage. The background features a soft-focus lattice pattern with hints of green.
Yellow gold mystic illusion dahlia in full bloom against dark green lush leaves. By roaminegg

Like most dahlias, ‘Mystic Illusion’ is only hardy in USDA Zone 9 and warmer, so here in Maine, it’s an annual. However, it’s easy to dig up and store the tubers over winter, if you want to keep them going year after year. Simply lift the tubers after the first frost, let them dry, and store them in a cool, dark place until spring.

Given how well ‘Mystic Illusion’ has performed, I’m already planning to add more of the Mystic dahlia series next year. If this first one is any indication, they’re going to be a hit. I’ve also noticed that visitors consistently stop to admire this plant, so it’s not just me who’s impressed.

Do you grow dahlias in your garden? Have you tried any of the Mystic series? Let me know—I’d love to hear about your experience.

—Rodney

More great Dahlias and plants with black foliage:

  1. Rebekah says:

    I’m trying to find dahlias I love to add to our garden. Right now, I’m only really interested in the deep burgundy and pure white versions.

  2. Does the owner of this web site have a Fb account
    that we may connect with? Would be wonderful to connect and find even more of
    your articles, thanks!

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