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Dahlia Tubers & Bulbs

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Dahlias add months of color to your summer garden. Explore our versatile selection of dahlia tubers for sale below for an easy-to-grow and gorgeous addition to your garden this summer! Learn more about which dahlia tubers to buy, when, where and how to plant, and more with our Dahlia Planting Info below.

Dahlia Bulbs & Tubers for Sale from K. van Bourgondien

Often called "dahlia bulbs," our dahlia tubers are of the finest quality: large, free of nicks or cuts, and ready to be planted in well-drained soil and to thrive in a sunny spot in your garden. We offer dozens of varieties, including many you won't find at most retail stores, that will happily bloom from summer to frost. Dahlias are favorites for the summer garden because they are easy to grow and provide weeks, and sometimes months, of colorful blooms. They're also favorites for cut flower displays.

Why We Love Dahlias for Every Gardener:

  • Hundreds of beautiful varieties
  • Dahlias are easy to plant and maintain all season.
  • Dahlias will bloom all summer and fall for long-lasting beauty.
  • Dahlias attract pollinators like bees and butterflies, which helps maintain a happy, healthy garden.
  • Which Dahlia Tubers Should I Buy?

    Because dahlia tubers for sale are available in a variety of forms and colors, it's easy to find ones that fit your gardening style. We suggest selecting the form first, then choosing the color. Here are the categories to choose from:

  • Ball Dahlias: Their unique, orb-shaped blooms have a more formal look.
  • Dinnerplate Dahlias: Their huge flowers—up to 10-inches across—create a spectacular look in the garden and are equally impressive in a vase.
  • Cactus Dahlias: Spiky blooms give gardens a whimsical feel.
  • Decorative Dahlias: Variety of styles allows you to give your garden a personal look.
  • Karma Dahlias: Developed for the cut-flower market, these big flowers on strong stems are showstoppers in the garden too.
  • Mixed Dahlias: These perfectly balanced mixtures provide a kaleidoscope effect.


  • Discover the secrets to successful dahlia cultivation! Learn the optimal timing for planting dahlia tubers post-spring frost, ideal planting locations (think full sun and well-drained soil), and the precise depth and care required for these vibrant blooms. Delve into expert advice on nurturing your dahlias, including pro tips for warding off common pests and ensuring a healthy growth cycle. Learn more about how to grow and care for your dahlias with our Dahlia Growing Tips.
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