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How to store dahlia tubers and enjoy them for years to come

Why buy new dahlias every year? A simple storage trick can keep your tubers thriving—and your garden bursting with color. Here’s how.

This is a paper and here we can see some images of plants, flowers, grass and water and there are...
This is a paper and here we can see some images of plants, flowers, grass and water and there are some stickers.

How to store dahlia tubers and enjoy them for years to come

Dahlias bring vibrant color to gardens as summer fades, making them a standout feature at places like The Gardens on Spring Creek. These striking flowers belong to a diverse genus, with 42 species and over 57,000 registered cultivars. Their popularity stems from the wide range of shapes, hues, and structures they offer to gardeners.

Many gardeners treat dahlias as single-season plants, replacing them each year. Yet with the right care, their tubers can be stored and replanted, saving money and expanding a home collection. The key to successful storage lies in controlling temperature, humidity, and the medium used. A cool, dark space—such as a garage or cellar—works best, with temperatures kept between 4 and 8 degrees Celsius (39–46°F). This prevents the tubers from drying out or sprouting too early.

Storing dahlia tubers properly allows gardeners to enjoy these flowers year after year. With over 57,000 cultivars available, there are always new varieties to explore. Their versatility and bold colors ensure they remain a favorite for late-season gardens.

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