Just like roses, many gardeners create a dedicated patch full of dahlias (Dahlias spp.). And since they come in a wide-ranging array of sizes, colors, and forms, from frilly and cactus-petaled varieties to single and double flowers, dwarfs and giants, you can combine different varieties for a pretty flower bed. But if you’re looking to diversify your plantings and introduce visual depth plus tropical touches to your summer and fall beds, consider complementing the dahlias in your garden with canna lilies (Canna x generalis).
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