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Delightful Double Flowers

What's even more decadent than a garden full of flowers? A garden full of DOUBLE flowers! Double flowers are simply flowers that have extra layers of petals, sometimes so many that they're virtually unrecognizable as their original species. 


Some flowers are almost always double. Wild-type roses are generally single-flowered, but most familiar roses grown in today's gardens are doubles. Same goes with Dahlias. But other double flowers are exceptions to the rule, like double Sunflowers and double Hollyhocks. Either way, their double forms resulted from mutations that have been exploited by plant breeders for their desirable looks, so that we can enjoy them year after year in our own gardens. 


Happily, double flowers are no harder to grow than their single-flowered relatives, and they often last longer in bloom. They're extravagant and wonderful, and spectacular in bouquets. Add a few of the following double flowers to your garden for a special floral treat.

Spring is just around the corner! Do you know your last frost date? Find it HERE.

Plant Them in Moderation...

The only down side to double blooms is that many are so fully double that they are not as beneficial to pollinators. In some cases all of the flower's reproductive organs have been converted to extra petals, making the flowers sterile, while in others, the few remaining stamens are inaccessible to pollinators through the sheer mass of the petals. If your gardening goals include attracting pollinators, single or semi-double flowers are best.

Gummy Bear Sunflower

Helianthus annuus. Gummy Bear Sunflower's fully double, 3"- to 5"-wide flowers are bright lemon-yellow, deepening to a lime green center. Annual. Height: 36" to 48".

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Double Zahara Zinnias

Zinnia marylandica. If you've grown and loved the single-flowered Zahara Zinnias, you'll be wowed by this double-flowered version in the same wonderful colors! Annual. Height: 12" to 16".

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Cherrelle Double Nasturtium

Tropaeolum majus. A double nasturtium! These stunning, raspberry-red flowers are full and ruffly, with a bright yellow center. The foliage is trailing. Annual. Height: 3' - 5'.

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Aquilegia vulgaris. A decadent, long-stemmed mix of fully double blooms in shades of blue, violet and pink with white accents. Perennial, Zones 3-8. Height: 24" to 30".
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Tagetes erecta. This sturdy Marigold mixture is happiest in mixed borders, where its masses of yellow, gold and orange, 3”- to 4”-wide pompons make a big impact. Annual. Height: 18”.
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Callistephus chinensis. Our Seastar Aster Mixture looks like other-worldly, brightly colored sea urchins in cream, yellow, deep pink, violet-blue, pale salmon and red. Annual. Height: 24".
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Maya Black-Eyed Susan

Rudbeckia hirta. This compact Black-Eyed Susan has whopping 4"-wide, fully double golden flowers with pale green and brown centers! Perennial, Zones 3-7. Height: 12" to 18".

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Twister California Poppies

Eschscholzia californica. Our Twister Mixture has orange, yellow, creamy white and pink cup-shaped flowers in both double and semi-double forms. Annual. Height: 12" to 18".

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Crazy Daisy Shasta Daisy

Leucanthemum X superbum. With frilly, yellow-centered double flowers with needle-like white petals, it looks like it's had a bit of a shock, in a good way! Perennial, Zones 5-9. Height: 2' to 3'.

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Tagetes erecta. For something different, try this creamy white, fully double, ruffly African Marigold with a small, creamy yellow-green center. It glows at dusk! Annual. Height: 12” to 14”.
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Matthiola incana. Our Beauty of Nice Mixture has long straight stalks studded with semi-double rose, pink, blue, violet, white, yellow and crimson florets. Annual. Height: 18".
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Calendula officinalis. A classic, old-fashioned mix of semi-double to fully double blooms in shades of yellow, gold and orange, some with darker eyes. Annual. Height: 2'.
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Alcea rosea. These classic heirlooms flaunt tall spires of flowers. This mix features fully double yellow, pink, red, deep purple, apricot and white blooms. Biennial, Zones 3-9. Height: 6' to 8'.
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Calendula officinalis. These dark-eyed double flowers have peachy-yellow petals that curl up to show hints of their dark red undersides. The flowers are edible! Annual. Height: 2'.
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Cosmos bipinnatus. Our frilly blend features the 3" cranberry-red, rose-pink and snow-white blossoms of the prized double and semi-double French strain. AnnualHeight: 4'.
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Tagetes erecta. These unusual mum-like, lemon yellow and orange, 2½” African Marigold blooms are wonderfully shaggy, with dense, twisting petals! Annual. Height: 14”.
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Ipomoea nil. Intriguingly shredded pink and white petals form 2” puffball flowers on this unique Morning Glory! Give it a sturdy trellis upon which to climb. Annual. Height: 8' to 10'.
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Helianthus annuus, These fully double, golden-orange flowers are 5" to 8" across with the full look of a mum. It has strong-branching stems and long-lasting flowers. Annual. Height: 5' to 6'.
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Zinnia elegans. Appearing much like little pom-pom dahlias, our Lilliput Pastel Zinnia Mixture yields lovely petite plants with 1½" double flowers in shades of white and pink. Annual. Height: 18".
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Rudbeckia hirta. This mix of large, dark-eyed, double Black-Eyed Susan flowers is autumnal shades of gold, rose, wine red and peach. Beautiful! Perennial, Zones 3-7. Height: 2’.
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Sunrise Serenade Morning Glory

Ipomoea purpurea. Each flower of this rediscovered, fully double heirloom Morning Glory is a ruffled 3” puffball of deep rosy pink petals with a white interior. Annual. Height: 8' to 10'.

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Helianthus annuus. A petite golden Sunflower with serious KAPOW! Each flower is fully, thickly double, with no center disk in sight. Lush! Annual. Height: 24” to 36”.
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Cosmos bipinnatus. Part of the Early Sensation Cosmos series, these deep, cranberry-red, fully double, 2”- to 3”-wide blooms are so dramatic and lovely! Annual. Height: 3' to 4'. 
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Dianthus caryophyllus. This fragrant 1870 French heirloom has 2" to 3", double fringed flowers in a mix of warm colors and bi-colors. They exude a spicy clove fragrance. Annual. Height: 24".
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