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The Best Vegetables and Flowers to Plant in September


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Even though most flowers bloom during the spring months, that doesn’t mean that your fall garden has to be left behind. In fact, there are plenty of fall flowers, vegetables and evergreen shrubs that are perfect for planting during autumn! From growing mums to incorporating popular perennial flowers and plants into the mix, we are offering some helpful tips and ideas for what to plant in September.

Whether you are a beginner gardener or have spent years sprucing up your indoor planters of peonies and pansies, you can always add a new flower or vegetable to your autumn garden to keep it growing! Although we share what is best to plant in September, it’s always a good idea to reference the USDA Hardiness Zone map which helps determine which plants are likely to grow successfully based on your location. And if you are new to gardening we also have helpful vegetable gardening tips and advice on how to plant to plant a fall garden for extra guidance when you get to digging!

Lettuce

Photo credit: fotolinchen - Getty Images
Photo credit: fotolinchen - Getty Images

With good soil, lettuce can thrive during the autumn season. This fast-growing vegetable, especially baby lettuce, can be ready to harvest in just about 30 days from sowing.

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Brussels Sprouts

Photo credit: mschowe - Getty Images
Photo credit: mschowe - Getty Images

Frosty, cool weather is ideal for Brussels sprouts, which are packed with vitamin C. They prefer fertile, well-drained soil and should be given between 18 to 24 inches of space to spread out as they grow.

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Radishes

Photo credit: MaskaRad - Getty Images
Photo credit: MaskaRad - Getty Images

Radishes, perfect for containers or garden beds, can grow in as little as 20 days. Just be sure to keep the soil moist and be mindful of proper spacing (one-inch apart for seeds and 12 inches in between rows).

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Calendulas

Photo credit: Kateryna Pavliuk - Getty Images
Photo credit: Kateryna Pavliuk - Getty Images

These vibrant yellow and orange flowers, whose petals can be used in salads, prefer partial shade as well as fertile, well-drained soil. Typically, they grow up to two feet tall.

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Garlic

Photo credit: Barbara Rich
Photo credit: Barbara Rich

Best in the ground or raised beds, garlic can be planted in September for a crop by mid-summer. Choose from two varieties: softneck garlic, which are common in milder climates and contain multiple cloves in each bulb, and hardneck varieties that have a much stronger flavor and fail to store as long as their counterparts.

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Broccoli

Photo credit: Calvin Chan Wai Meng - Getty Images
Photo credit: Calvin Chan Wai Meng - Getty Images

When growing broccoli, it does best with full sun, along with slightly acidic soil that's moist and rich in organic matter. Keep rows at least three feet apart to ensure optimal growth.

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Carrots

Photo credit: dado - Getty Images
Photo credit: dado - Getty Images

Late summer to early fall is an ideal time to plant this root vegetable. In order to flourish, carrots need sandy soil with a pH range between six and seven.

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Peonies

Photo credit: frema - Getty Images
Photo credit: frema - Getty Images

Plant this eye-catching perennial in the fall to enjoy its beauty next spring. This low-maintenance plant needs full sun and moist soil that drains well. Plant them two inches below the soil surface and maintain about three to four feet of distance in between them to allow for good air circulation.

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Spinach

Photo credit: Vaivirga - Getty Images
Photo credit: Vaivirga - Getty Images

Spinach — especially the savoy varieties — tend to grow quickly during the cooler months. With rich soil, this nutrient-rich vegetable, can grow in full sun or partial shade.

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Eggplant

Photo credit: simonkr - Getty Images
Photo credit: simonkr - Getty Images

To do well in cooler temperatures, consider growing eggplants in large containers. There's one caveat though: Their fruit has a tendency to make them tip over, so consider tying them to stakes. And to help keep flea beetles at bay, make sure their containers are at least a foot-and-a-half off the ground.

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