Shea's Rainbow Cactus Dahlia

Shea's Rainbow Cactus Dahlia 

Radiant and delightfully unexpected, Shea’s Rainbow brings a vibrant fireworks display right into your garden. Its incurved cactus blooms burst with deep, dark-pink petals laced with cheerful yellow variegation—each flower a miniature masterpiece of color and movement. On sturdy 4-foot stems, these expressive blooms dance above the foliage, offering an exuberant pop of charm to cutting gardens, mixed borders, or floral arrangements. It’s a variety that instantly captivates: bold, playful, and utterly unforgettable.

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Details

• Form: Incurved Cactus 

• Bloom Size: Approximately 5 in (BB Class: Small, 4–6 in) 

• Plant Height: Around 4 ft (Medium category) 

• Stem Strength: Strong and dependable—supports dramatic cactus-form blooms with ease

• Unicorn Status: Rare—its distinctive variegated pink-yellow blooms make it a standout among collectors

• Primary Color: Dark Pink

• Secondary Color: Variegated Yellow

• Plant ID: 

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A Bit of History

Introduced in 1999 and originating in Great Britain, Shea’s Rainbow quickly became a cherished variety among dahlia lovers for its stunning coloration and abundant blooms . Its name and provenance reflect a legacy of elegance and vibrancy, embodied in its vivid variegation and consistent flowering. Today, this cultivar remains beloved among growers seeking both drama and delight in their gardens—a thrilling conversation piece with dependable performance.

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Ideal For

• Cutting gardens that crave bold, expressive blooms

• Dramatic mixed borders where its colors can pop against greenery

• Vibrant, eye-catching container displays on patios or entryways

• Unique bouquets and floral arrangements that stand apart

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Pairs Well With

‘Cafe au Lait’ — The pale, creamy tones beautifully offset Shea’s Rainbow’s vivid hues and add an elegant contrast.

‘Blue Bird’ (or other cool-toned dahlias) — Soft blues and lavenders cool and balance the warm variegated petals.

Salvia ‘Amistad’ or Dusty Miller — Deep purple or silvery foliage offers a complementary backdrop, making the blooms truly pop.