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Sweet Corn Has
Arrived!

Greenhouse News!

BOGO Close-Out Sale

...On All Flowers...

 

Buy One, Get One FREE!

Close-Out on all

remaining flowers.

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Greenhouse interior filled with vibrant red hanging geranium baskets and potted flowers.
A wide variety of colorful hanging flower baskets and potted plants inside a lush greenhouse.
Vibrant African Daisies or Osteospermum in a variety of colors.
Close up of unique orange and yellow Candy Corn Vine flowers with green foliage.
Unique hanging cone baskets filled with red geraniums.
Close up of soft pink geranium flowers with healthy green leaves.

Fresh From the Market! Trending Now!

Close-up of fresh bunches of sweet corn grown in Southern Illinois, displaying bright green husks.
Close-up of plump, juicy, dark reddish-black cherries in pint containers.
Close-up of vibrant, glossy red and green bell peppers grouped together.
Bottles of Sweet Jane’s Pure Honey, harvested straight from the beehives on our farm.
Four large, Missouri watermelons grouped together on a wooden market bench.
A large display of crisp, red Honeycrisp apples at the farmstand.
A large, vibrant bounty of juicy red plums piled high at the market.
Crisp, black grapes packed neatly into pint containers on the display shelf.
Cans of our famous, refreshing Sparkling Apple Cider on the shelf, exclusive to Theis Farm Markets in Yorkville.
Close-up of a premium jar of sweet and chunky Mango Salsa on display.
A market box filled with small, bumpy, fresh green pickling cucumbers.
Five bottles of specialty salad dressings lined up: Honey Mustard, Raspberry Vinaigrette, Roasted Garlic Parmesan, Strawberry Poppyseed, and Lemon Herb.

Theis Markets
Quality Fruits & Vegetables

"The Season of Fresh"
Just Arrived - While Supplies Last
Southern Illinois Sweet Corn

Close-up shot of a fresh, husked ear of sweet corn showing plump, juicy yellow kernels.
Cucumbers July 2026.jpg
A large, vibrant bounty of juicy red plums piled high at the market.
Close-up of vibrant red, freshly picked raspberries packed into pint containers.
Close-up of freshly harvested green onions ready for the farmstand display.

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⭐ Our Specialties

  • The Best Local Sweet Corn & Tomatoes: Renowned throughout Kendall and surrounding counties for flavor and freshness. Sweet Corn (Zea mays) is our pride; we harvest it at peak sugar content for the best dining quality.

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  • Farm-Fresh Eggs: Over 125 layers provide fresh eggs Spring through Fall. Find them here or at the Farmers Markets in Hinsdale and Plainfield.​

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  • On-Site Honey-Bee Keeper: Our resident hives produce local honey available in Spring, Summer, and Fall.​​​​​​​​​​​​​​​​​

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​The "Extreme Heat" Collection 

For “hot sauce” lovers, we grow everything from mild chilies to the world’s hottest peppers, including Apocalypse & Trinidad Scorpion, Death Spiral, Seven Pot Chocolate, the Carolina Reaper and more...​

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​Always Available While Supplies Last

Eggs, Honey, Salsa, Jams/Jellies, Salad Dressings, BBQ Sauces, and Pickled Products.

The wooden beehives located on the farm property, surrounded by nature, where Sweet Jane's honey is made.
Three buckets filled to the brim with colorful, farm-fresh eggs waiting to be washed, weighed, and cartoned.
A market box containing a colorful variety of hot peppers, from hot flavors to XXX hot varieties.
Close-up of fresh bunches of sweet corn grown in Southern Illinois, displaying bright green husks.
Customers enjoying a photo-op at the giant sweet corn sign, Theis Evergreen Farm, Yorkville, IL
Katie holding a baby Turken chicken at Theis Evergreen Farm in Yorkville, IL
Happy laying hens in the coop at Theis Evergreen Farm, providing fresh eggs for Yorkville, IL
A close-up view of a healthy, mild banana pepper plant with several bright yellow peppers growing on the vine.
Bottles of Sweet Jane’s Pure Honey, harvested straight from the beehives on our farm.

2026  
Seasonal Offerings  Katie's Garden

SPRING

Mother’s Day Flower Favorites

Step Into Our 3 Expansive Greenhouses for a Massive Selection of...

  • Premium Brands: Proven Winner annuals, Mixmaster, Trixi Mixes, and more!

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  • Varieties: Geraniums, Petunias, Begonias, Coleus, Calibrachoa, Verbena, Impatiens, and more.

  • Foliage: Asparagus Ferns, Spikes, and Hosta.

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LATE SPRING – EARLY SUMMER

Herb & Vegetable Starts

Ready to Plant in Your Own Garden

  • Culinary Herbs: Multiple Basil varieties, Rosemary, Lemongrass, Cilantro, Marjoram, Sage, Thyme, and both Peppermint/Spearmint.

  • Vegetable Starts: Broccoli, Cabbage, Kohlrabi, various and Tomato/Pepper varieties, and cold crops.

  • Bedding Plants: Asparagus, Blueberries, Raspberries, Rhubarb, and Strawberries, and Perianal edibles.

 

 

 

 

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​​SUMMER: Peak Harvest Produce

(Available by the Bushel)

  • Main Crop: Sweet Corn, Peppers, Tomatoes, and Green/Yellow Beans.

  • Melons: Multiple varieties of Watermelon and Musk Melon.

  • Essentials: New Crop Potatoes, Carrots, Beets. Fresh Fruits – Blueberries, Peaches, Plums, and Raspberries.​​

 

 

 

 

 

 

 

 

 

 

FALL - Harvest Decor & Hardy Crops

  • Decor: Hardy Mums, Pumpkins, Corn Stalks, Straw Bales, and Decorative Gourds.

  • Storage Crops: Acorn, Buttercup, Butternut, Delicata, and Spaghetti Squash, Apples, onions, and sweet potatoes.  

Geranium in Pink
Close-up of ripe, bright red strawberries filling pint containers at the farmstand.
Freshly picked carrots, tomatoes, green peppers, and dill from Theis Evergreen Farm in Yorkville, IL
A vibrant, arranged display of colorful autumn chrysanthemums and assorted pumpkins laid out on a green lawn.
Large wooden containers filled with a variety of autumn squash and decorative, colorful gourds displayed outside the farm retail center.
Neat rows of farm-fresh pumpkins and various types of squash spread out across the grass.
Freshly harvested bunches of deep red beets with vibrant green leafy tops lying out on display.

Be The First In The Greenhouse

Sign up for opening day alerts, seasonal harvest notes, and Katie’s favorite planting tips.

Yummy Wall...
Jams, Jellies & More

The famous Yummy Wall at Theis Farm Markets featuring shelves stocked with local specialty jams, jellies, salad dressings, fruit salsas, dips, jarred peaches, hot sauces and more.

Our famous "Yummy Wall" is a true farm market treasure, packed from top to bottom with the very best local flavors! Explore rows of specialty fruit jams, sweet jellies, and gourmet salad dressings, alongside our crowd-pleasing orchard favorites. If you’re looking to spice up your next gathering, we have you covered with an incredible lineup of savory dips, zesty fruit salsas, and locally crafted hot sauces ranging from mild to wild.

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