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GardenSMART :: Turn Up the Flower Power with Grandaisy

Turn Up the Flower Power with Grandaisy

By Delilah Onofrey, Suntory Flowers
Photographs courtesy of Suntory Flowers

Why settle for a standard argyranthemum? Grandaisy is a new intergeneric hybrid that produces larger plants with flowers twice the size!

Bred by Suntory Flowers through its partnership with Bonza Botanicals in Australia, Grandaisy is a cross between two genera – Argyranthemum and Ismelia, commonly known as tricolor chrysanthemum or tricolor daisy. This is where the great colors come from. The highly advanced intergeneric cross is a triploid hybrid and protected by a utility patent.

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An outstanding color range includes Red Improved, White, Yellow, Dark Pink, and Pink Halo, which has light pink flowers with a dark raspberry inner ring. All have dark center disks surrounded by a golden yellow ring, creating a tricolor effect. Red has been improved for color retention and showier habit.

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Look for Grandaisy at your favorite plant retailers this spring. In California, they hit the market as soon as February. These full, vigorous beauties are perfect for Easter and Mother's Day in decorative pots. Grab and go for the patio! You'll want to collect them all. They are beautiful planted in landscape beds, too.

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Hardy to Zone 10a, Grandaisy is an annual in most climates. It produces a tough, bushy plant with a mounded habit and is free flowering. Plants reach a height of 18-24 inches with a spread of 18-24 inches. Full sun is recommended.

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Grandaisy likes it warmer than a standard argyranthemum and will continue to bloom through summer in Northern climates. Flowers become smaller as temperatures increase. Grandaisy isn't recommended as a summer item for the South. Plants are happiest with high light levels and cooler night temperatures.

For more information about Grandaisy, visit


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