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Greenhouse interior with rows of vibrant flowers and hanging plant baskets.

Theis Farm Markets

Evergreen Farm, & Katie's Garden 
Five generations of
Quality Home Grown Produce
Open Daily 9 am - 5 pm 

Hanging Baskets, Cones, & Pots. Veggie Garden Starts.

Theis Markets
Quality Fruits & Vegetables

"The Season of Fresh"
Just Arrived - While Supplies Last

A beautiful tabletop display at the farm market featuring fresh stalks of rhubarb and asparagus, local raw honey, farm-fresh eggs, and bottles of sparkling apple cider.
Colorful bright yellow and red sweet bell peppers paired with crisp, green garden cucumbers in the market display.
A vibrant summer display of plump yellow and red heirloom tomatoes alongside juicy, ripe peaches at Theis Farm Markets.
A rustic wooden display box filled to the brim with crisp, freshly harvested green beans at the farm market.
A farm-fresh assortment of crisp red radishes, hearty portobello mushrooms, and sweet, shiny apples on 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.

Honey bee hives on-site at Theis Evergreen Farm for local Yorkville honey and crop pollination
Freshly gathered farm eggs in buckets at Theis Evergreen Farm in Yorkville, IL
Fresh harvest of locally grown Jalapeños, Habaneros, and Ghost peppers at Theis Evergreen Farm market in Yorkville, IL
Freshly harvested bi-color sweet corn at Theis Evergreen Farm market in Yorkville, IL
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
Healthy Banana Pepper plant growing at Theis Evergreen Farm in Yorkville, IL

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 Close Up.jpg
Freshly cut asparagus spears at Theis Evergreen Farm market in Yorkville, IL
Freshly picked carrots, tomatoes, green peppers, and dill from Theis Evergreen Farm in Yorkville, IL
Colorful garden mums and pumpkins on the lawn at Theis Evergreen Farm retail center in Yorkville, IL
Crates of colorful autumn gourds and winter squash at Theis Evergreen Farm retail center in Yorkville, IL
Freshly harvested pumpkins spread out on the grass at Theis Evergreen Farm retail center in Yorkville, IL
Freshly harvested red beets with green tops in a basket at Theis Evergreen Farm, Yorkville, IL

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.

Greenhouse News!

The Season is in Full Bloom​​​​

Don’t wait until the benches are empty. From vibrant geraniums to our top-selling veggie starts, the best of spring is here right now.

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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 Bench What’s Blooming Now

A tray of vibrant pansies in full bloom at Theis Farm Markets greenhouse.
Close-up of a tray of Calibrachoa Aloha Kona flowers starting to bloom.
Detailed view of Coleus foliage featuring striking red veins and vibrant green edges.
A lush, light green bi-color fern showing healthy new growth in the greenhouse.
Rows of healthy vegetable starts filling the greenhouse benches for the 2026 planting season.
Buddy the farm dog standing in the greenhouse, looking over a potted geranium as if inspecting the plant.
Close up detail of a deep purple petunia flower in bloom.
Various hanging flower baskets featuring a mix of seasonal textures and colors.
Interior view of the greenhouse at Theis Farm featuring geranium hanging baskets and flower cones.
A variety of spikes, potted Wandering Jew plants, and mixed vegetable starts in the greenhouse.
A full tray of Wandering Jew (Tradescantia) plants with purple and green foliage.
Close up of vibrant green, fresh-picked basil leaves from the herb garden.
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