Autumn Vegetables: Must-Grow Crops For Your September Garden

As summer draws to a close and the leaves start changing their colours, it’s time to shift our focus from the vibrant blooms of the warmer months to the bountiful autumn harvest by working on your autumn vegetable patch.

September marks the perfect time to revamp your vegetable garden and prepare it for a rich autumn harvest. The cooler temperatures and ample sunlight make it ideal for cultivating crops that thrive during this season. 

In this blog post, I’ll explore the must-grow crops for your September garden. Ensuring a plentiful and rewarding autumn vegetable patch.

autumn vegetables

What vegetables can I plant in autumn?

As the heat of summer wanes, cool-weather crops become the stars of the garden. These hardy plants also become accustomed to the cooler temperatures and shorter autumn days.

They not only withstand the chill but actually improve in flavour after exposure to light frosts. This will enhance the taste of your dishes.

Leafy Greens: Spinach, kale, lettuce, and arugula are excellent choices for September planting. Their tender, vitamin-packed leaves will also add a nutritional punch to your salads and smoothies throughout the season.

Brassicas: Broccoli, cauliflower, Brussels sprouts, and cabbage belong to the brassica family, which flourishes in the cool autumn weather. You can roast, sauté, or even incorporate these versatile vegetables into hearty soups.

Root Vegetables: In September, you can plant resilient root crops like carrots, beets, and radishes. The cooler temperatures promote the growth of sweet, succulent roots perfect for hearty stews and side dishes.


Extend the Summer Vegetable Harvest

While embracing the fall season, you can still savour the last remnants of summer’s warmth by planting vegetables that thrive in the fading summer.

These crops will continue to produce for you. Making sure you have a steady supply of fresh produce throughout the changing season.

Green Beans: Bush beans and pole beans can still be planted in September to yield a late harvest. Regularly picking the beans will also encourage the plant to keep producing. Thus providing you with a continuous supply of tender green pods.

Tomatoes: If you have unripe tomatoes remaining on the vine as summer ends, don’t despair. Pick them before the first frost threatens and allow them to ripen indoors. Additionally, some tomato varieties, such as “Black Krim” and “Brandywine,” perform well in cooler temperatures and can be planted in September for a late harvest.

Courgettes and Squash: Planting courgettes and squash in early September allows you to enjoy a late-season harvest of these prolific vegetables. Ensure they have enough sunlight and fertile soil to thrive as the days shorten.


Prepare For Winter Storage

It is essential to prepare your vegetable garden for winter storage crops in September, allowing you to harvest and preserve them for use during the colder months.

These crops require a bit of planning but will reward you with fresh produce during the coldest days.

Potatoes: You can store potatoes for long periods as they are a staple crop. Plant them in September, and as the foliage dies back, you can harvest the potatoes and store them in a cool, dark place.

Onions: Autumn-planted onions will mature by early summer the following year, allowing you to enjoy homegrown onions long after the traditional spring harvest.

Garlic: Plant garlic in the fall for a summer harvest, similar to onions. This aromatic bulb adds flavour to various dishes and stores well for several months.

Succession Planting

To make the most of your September garden, embrace the concept of succession planting. By planting new crops in intervals, you can ensure a continuous harvest throughout the season and avoid a glut of produce that might go to waste.

Lettuce: Sow lettuce seeds every two weeks for a steady supply of fresh, tender leaves. This ensures that you have a consistent crop without the risk of bolting during the warmer days.

Radishes: Radishes have a short growing season, making them ideal for succession planting. Plant a small batch every ten days for a continuous harvest of crunchy, peppery roots.

Green Onions: Green onions are another crop that benefits from succession planting. Plant them in clusters and harvest them once they reach a desirable size, leaving the rest to mature further.


A well-planned September garden can provide an abundant and diverse harvest that keeps your kitchen stocked with fresh, nutritious vegetables throughout the fall and winter. 

You can make the most of your autumn vegetable patch by growing various cool-weather crops, extending your summer harvest, preparing for winter storage, and practising succession planting. 

Embrace the changing seasons, get your hands dirty, and revel in the joy of a bountiful and rewarding garden. Happy gardening!

If you would like to watch more videos and pick up some more garden tips, check out the Cottage Garden Playlist on YouTube, where you will find a new video every Sunday! Or click here for more garden posts.


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