Garden Days Sale

Big Savings for Summer Gardens

Thursday, June 25 through Wednesday, July 1, 2026

Summer is just getting started in Wisconsin—and this is a great time to add more color, fill a few garden gaps, or tackle that next planting project. 

Stop into Thomas Greenhouse & Gardens for savings on annual planters, hanging baskets, vegetables, perennials, shrubs, trees, tropical plants, roses, summer décor, and more.

This Week’s Deals at Our Garden Center

Thomas Greenhouse & Gardens Garden Days Sale, Thursday, June 25 through Wednesday, July 1.
Purple annual planter promoting buy one, get one free annual planters and hanging baskets at Thomas Greenhouse & Gardens. Lowest-priced item is free, with one transaction per customer.
Colorful bedding plants displayed inside the greenhouse, promoting 50% off bedding flats.
Bright pink tropical hibiscus flowers promoting 60% off tropical hibiscus plants.
White and pale pink mandevilla flowers promoting 60% off mandevilla plants.
Rows of young vegetable plants promoting buy one, get two free vegetable plants at Thomas Greenhouse & Gardens.
Pink roses in bloom promoting 25% off roses at Thomas Greenhouse & Gardens.
Red flowering perennials displayed in a greenhouse, promoting 20% off 4.5-inch perennials.
Variegated deciduous shrubs displayed outdoors, promoting 20% off deciduous shrubs.
Large white magnolia flower promoting 20% off magnolia trees.
Assorted potted evergreen trees and shrubs promoting 30% off potted evergreens.
Fourth of July decor and apparel display promoting 25% off patriotic decorations and clothing at Thomas Greenhouse & Gardens.
Garden Days Sale terms stating no rain checks, price adjustments or holds; selection may vary, exclusions apply and offers are valid while supplies last.

Greenhouse & Garden Center Savings

Whether you need a few finishing touches, want to fill some gaps, or are ready to refresh the whole yard, this is a great week to see what is blooming at Thomas Greenhouse & Gardens.

Shop early for the best selection of plants, sizes, colors, and varieties.

Annual Planters & Hanging Baskets

  • Buy 1, Get 1 Free

  • Lowest-priced item is free

  • One transaction per customer

4.5-Inch Perennials

  • 20% Off

Deciduous Shrubs

  • 20% Off

Magnolia Trees

  • 20% Off

Potted Evergreens

  • 30% Off

Roses

  • 25% Off

Tropical Hibiscus

  • 60% Off

Mandevilla

  • 60% Off

Fourth of July Décor & Apparel

  • 25% Off

Bedding Flats

  • 50% Off

Vegetable Plants

  • Buy 1, Get 2 Free

Why Shop Our Greenhouse Sale in Mukwonago, WI?

Thomas Greenhouse & Gardens in Mukwonago is a local stop for gardeners and plant lovers from Mukwonago, Waukesha, Muskego, East Troy, Waterford, Eagle, New Berlin, Milwaukee, and surrounding communities looking for fresh plants, seasonal ideas, and greenhouse savings.