
Keeping Your Garden Looking Good in the Fall
You are nearing the squash finish line for fall and winter squash. To ensure you get to enjoy the fruits of your squash labors this summer, there are still a few things you should do. Your squash vines, which once ruled the garden with massive green leaves, are now showing their age. As summer transitions into autumn, squash plants face a unique set of stressful challenges. Understanding these late-season concerns—and taking immediate action—can mean the difference between a bumper harvest and a rotting disappointment. Read this article for helpful tips for a great squash harvest.
Liz Townley, Dakota County Master Gardener Intern

By the time we get to the State Fair and Labor Day weekend, your garden might be looking as tired as you feel. What happens to your garden is often a reflection of your time, energy and dedication to your craft. I get it, you weathered the heat waves, the constant watering, spraying for pests, and now, you are just tired of giving attention to what’s left blooming or showing any signs of life.
But it doesn’t have to be that way! Fall can be a time for renewal and added vigor to your gardens. How many times does it look like you have fought the good fight keeping your annuals up and in swoops a deer that chomps off all the flowerheads? Or the heat waves have caused your plants to look leggy or under distress? If you have ever done a room renovation in your home, it might just be time for a garden renovation, often called ‘The August Reset.’ Ideally, you would like to see something always blooming. Fall flowers and foliage can team up to give you those final weeks of glory.

Plan and reset
Generally, we think of garden planning as a spring activity. But fall is a perfect time to take note of what plants worked and what did not and make some late-season adjustments. You can see where animals and insects took some care to ruin leaves, produce, and roots. Maybe it is time to move a plant that is not doing well now that the temperatures are cooling down. Do you like the colors in your fall garden or are you finding yourself staring at the traditional fall colors of yellow, orange and rust? They can be just beautiful. Yet, adding some nontraditional colors can add a little flavor to your garden: reds, purples, whites and even pinks! Think about rosy Autumn Joy Sedum, purple Aster, pink mums, or purple Turtlehead. Ornamental Kale can add an interesting look to the fall garden.
It may be too late to start from seed for most plants. Although some plants can come up quickly under the right conditions. Just be aware of propagation time to not disappoint yourself! Stay in the zone. See map below:

And don’t discount the role of foliage to add interest and even color to your garden, try variegated hostas, sedum, Japanese painted fern, or brunnera. Many shrubs turn into shades of red in the fall, such as: fothergilla, hydrangea, viburnum, dogwood, black chokeberry and sumac. With some planning, you can keep your garden interesting well into the fall.
Try cutting back a plant to extend its final surge in growth
Some plants – perennials and annuals – will thrive after being pruned back in summer. The best candidates for the one-third prune approach are perennials that bloom on new growth: catmint, salvia, geranium, coreopsis, veronica, and bee balm. Annual blooming flowers like petunias, calibrachoa, lobelia, and verbena - these are the trailing/mounding types that genuinely get leggy – can be rejuvenated with a good trimming. Herbs fall into this same camp, since they also flower and flush out new growth continuously. Basil, mint, oregano, thyme, and tarragon all respond beautifully to a good midsummer trim.

Photo credit: University of Minnesota Extension
Leafy greens thrive in fall temps
Here are some leafy greens that are candidates for August planting: kale, bok choy, spinach, chard, mustard greens, and lettuce. They flourish in early fall’s cooler temperatures and are ready to harvest in about 45 days. They are ideal for trellising or raised bed edges.
Flowering plants that will work for the fall season

Try these suggestions to get some last-minute glory for those cool morning and hot afternoon seasonal shifts. It is always important to get things established before that first frost hits.
Purple Coneflower
Black Eyed Susans
Blanket Flower
Obedient plant
Salvia
Swamp milkweed
Hardy Hibiscus
Shasta Daisy
Whatever, you try, document it for next year. No sense in making the same mistake twice. Weather can be a bit unpredictable during the fall season, so make note of those irregularities. Gardening is more like an artform sometimes. Whatever you choose: greens, flowering, native or nonnative, annuals or perennials, don’t forget to include plants that feed the pollinators as they go into hibernation or migration. They will thank you for your choices of flowering plants. Check out this link to a University of Minnesota Yard and Garden article for pollinator friendly plants. Remember to forge your inner artist and design away!
Source: Gardeners swear by the one-third pruning rule to revive tired flower beds MSN Story by Debbie Wolfe
Source: 11 heat-loving flowers that keep blooming all August
Southern Living - Mary Marlowe Leverette
Source of photos: University of Minnesota Extension Office website 2026

