Unofficial Summer Kick Off Sale

Big Garden Savings!

May 22-May 25, 2026

Kick off the unofficial start of summer with big savings at Thomas Greenhouse & Gardens! Stop in this weekend for deals on concrete fountains, shade trees, pottery, teepee mandevilla, hanging baskets, garden seeds, bagged mulch, and more.

This Week’s Deals at Our Greenhouse

Thomas Greenhouse & Gardens Unofficial Summer Kickoff Sale, Friday, May 21 through Monday, May 25.
Top deal at Thomas Greenhouse & Gardens: 40% off remaining concrete fountains.
Thomas Greenhouse & Gardens sale graphic advertising hoop house bargains from 25% to 50% off.
Thomas Greenhouse & Gardens sale graphic advertising 30% off all pottery.
Thomas Greenhouse & Gardens sale graphic advertising 25% off all shade trees.
thomas-greenhouse-garden-seeds-bagged-mulch-buy-3-get-1-free
Thomas Greenhouse & Gardens sale graphic advertising 20% off teepee mandevilla plants.
Thomas Greenhouse & Gardens sale graphic advertising $5 savings on annual hanging baskets and bags.
Thomas Greenhouse & Gardens sale terms for the Unofficial Summer Kickoff Sale, including no rain checks, no price adjustments, no holds, exclusions may apply, and offers valid while supplies last.

Garden Center Savings

  • Concrete fountains: 40% off remaining inventory
  • Shade trees: 25% off
  • All pottery: 30% off
  • Teepee mandevilla: 20% off
  • Annual hanging baskets and bags: $5 savings
  • Hoop house bargains: 25% to 50% off
    *Varies by house and product. See store for details.
  • Garden seeds: buy 3, get 1 free
  • Bagged mulch: buy 3, get 1 free

Why Shop Our Garden Center Sale in Mukwonago, WI?

Shopping the Unofficial Summer Kickoff Sale at Thomas Greenhouse & Gardens makes it easy to get your yard, porch, patio, and garden ready for the season. You can see the plants, pottery, fountains, and garden items in person, compare your options, and choose the pieces that feel right for your home.

With savings on shade trees, pottery, mandevilla, hanging baskets, garden seeds, bagged mulch, and select hoop house items, it’s a simple one-stop visit in Mukwonago. And if you have questions, our team is here to help you choose plants and products that fit your space, your style, and your summer plans.