10 Fast-Growing Perennials That Will Fill Your Garden In A Flash

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Every garden needs bothannuals for instant impact and perennials for color that returns for many years. Because perennials are long-lived, they’re a great investment in your garden. Besides adding beauty, texture, and structure to your garden, perennials also provide food forbeneficial insects and pollinators.

But you do need to be a wee bit patient with perennials, which can take their time getting established. In fact, there’s a saying among gardeners that perennials sleep, creep, leap. That means they tend to grow fairly slowly the first year while they’re setting down their roots, then they grow a little faster the second year. By the third growing season, they finally take off.

When shopping, make sure to choose a variety that will survive winters in your USDA Hardiness zone (find yourshere). Also, read the plant tag or description so you’ll know what kind of light it needs: Full sun is considered 6 or more hours of direct sunlight per day, while part sun is about half that.

Finally, remember that the tiny 3-inch pots are going to take far longer to fill in your garden than gallon-sized or larger. So, when possible, opt for the larger size for quicker results. And don’t forget to keep your plants watered during the first season so they can set down strong roots.

Ahead, our favorite low-maintenance fast growers that will fill in your garden in a flash:

• Botanical Name: Agastache spp.
• Sun Exposure: Full sun
• Soil Type: Average, well-draining
• Soil pH: 6 to 7.5

Also known as hummingbird mint, this upright,