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Wisconsin Gardening Cover




Upcoming Events for Wisconsin

To submit your gardening event to our staff, submit it using our contact form or send an email to



Through April, Madison
Green Thumb Gardening Classes
Dane County UW Extension Office

Series will give you the practical knowledge to keep your home garden thriving. UW Extension educators and local horticulture experts will provide in depth and accessible information for everyone from the novice to the experienced gardener, 6:30 to 9 p.m. For details:



April 21 and 28, Janesville
Compost & Pansy Sale
Rotary Botanical Gardens

Held at the RBG Horticulture Center, 825 Sharon Road, 8 a.m. to noon, $6/bag. 10 percent off with membership card.




Through May 27, Oshkosh
Masterpieces of the Valley
The Paine Art Center and Gardens

The walls of the Paine’s Main Gallery will be filled with a “Salon-style” exhibition of exceptional artworks from the collections of the Paine and local institutions.

Through May 28, Milwaukee
Shakespeare in Love Spring Floral Show
Mitchell Park Horticultural Conservatory

Shakespeare in Love will showcase a romantic garden setting featuring a full size gazebo and the memorable romantic words of the famous playwright. 9 a.m.-5 p.m.

May 1-October 28, Oshkosh
Formal Garden Showcase
The Paine Art Center and Gardens

Throughout 2018, the Paine’s new formal garden will feature tulip bulbs in spring, colorful annuals in summer, and frost-hardy plants in fall.


May 1, Green Bay
Advanced Vegetable Gardening
Green Bay Botanical Gardens

Taught by Lynn Clark and Jim Fameree, N.E.W. Master Gardener Volunteers. Presented in partnership with UW-Extension and N.E.W. Master Gardeners’ Association. 6–7:30 p.m.

May 2, Madison
Gardening for Hummingbirds
Olbrich Botanical Gardens

Through the use of perennial and annual plants, wildflowers, shrubs, trees, and hummingbird feeders, you can discover the magic and excitement of hummingbirds. Taught by Michael and Kathi Rock. Register by April 25. $15/$12 Olbrich members.

May 5, Milwaukee
Art in the Green
Mitchell Park Horticultural Conservatory

This event showcases more than 40 local artists with works for sale that include painting, sculpture, ceramics, jewelry, glass, and photography. 9 a.m.-5 p.m. Saturday, 9 a.m.-4 p.m. Sunday.


May 6, Hales Corners
10th Annual Art at the Gardens Craft Fair
Boerner Botanical Gardens

Enjoy a beautiful spring day while you browse a unique selection of handmade jewelry, garden art, photography, artwork & more. 10 a.m.-3 p.m.

May 8, Green Bay
Native Plants to Attract Pollinators
Green Bay Botanical Gardens

Taught by Claudia Schultz, Al Nass, Annette Weissbach, N.E.W. Master Gardener Volunteers. Presented in partnership with UW-Extension and N.E.W. Master Gardeners’ Association. 6-7:30 p.m.

May 14, Green Bay
Intro to Smartphone Photography
Green Bay Botanical Gardens  
Taught by Marc Amenson, Amenson Studio. 5:30–7:30 p.m.


May 17, Green Bay
Green Bay Botanical Gardens

Savor, sip, and support at TasteBud from 5-8 p.m., featuring 300,000 spring blooms, culinary delights, signature cocktails, live music, and a silent auction. Registration begins April 2.

May 17, Madison
Perennials for Sun
Olbrich Botanical Gardens

Discover spectacular perennials for sun that brighten your landscape from spring through fall. UWEX horticulture educator Lisa Johnson will discuss the characteristics of perennials, winter hardiness, proper planting and watering, propagation, and selection. Register by May 10. $15/$12 Olbrich member.

May 19, Oshkosh
Festival of Spring
The Paine Art Center and Gardens

This free event features the Paine’s annual Spring Plant Sale and more than 100 vendors of original art, fine crafts, plants, and garden supplies.

May 19, Wausau
Green Plant Saturday Plant Sale and Garden Flea Market
Monk Botanical Gardens

Don’t miss the Green Saturday Plant Sale and Flea Market at the Monk Botanical Gardens. Rain Date: Sunday, May 20.

May 19, West Allis
Perennial Plant Sale
Wisconsin State Fair Exploratory Park

More than 15,000 Wisconsin-grown perennials, native plants, trees, shrubs, etc. Cash and checks only – no credit cards. 8 a.m.-1 p.m. For more information, contact Diane L. Thieme at or call 414 962-9892.

May 19, Wausau
North Central WI Master Gardener Plant Sale
Marathon Park Cattle Barn

Perennials, annuals, herbs, grasses, vegetables, and much more. Free kids planting area. 7 a.m.-noon. Find us on Facebook or by visiting, or call 715-570-2769.


May 20, Wausau
Bird Walk
Monk Botanical Gardens

Join Wausau Bird Club for a guided bird tour at the Monk Botanical Gardens. If you have binoculars, please bring them.

May 21-22, Green Bay
Capture Spring in Watercolor
Green Bay Botanical Gardens

Taught by Bridget Austin, professional watercolor artist. 9:30 a.m.-3:30 p.m.

May 21, Madison
Sumptuous Containers Walk
Olbrich Botanical Gardens

Erin Presley will explain the basics of planning and planting cold-hardy spring containers and showcase selected containers and plants during this delightful evening outdoor garden walk. $17/$15 Olbrich members. Registration deadline: May 14.

May 24, Madison
Pollinator-Friendly Spring Plants Walk
Olbrich Botanical Gardens

Join Olbrich horticulturist Katey Pratt on a walk in Olbrich’s outdoor gardens, where she will show you a variety of early spring plants that are attractive to pollinators and are well suited for gardens with various light and soil conditions. 6:30-8 p.m. $17/$13 Olbrich members. Registration deadline: May 17.

May 25-August 19, Green Bay
Nature Connects: Art with LEGO Bricks Exhibit
Green Bay Botanical Gardens

Open daily, 9 a.m.-8 p.m. For more info, call 920-491-3691 or visit

May 26, Sturgeon Bay
Plant Sale
Peninsular Agricultural Research Station

This annual event offers new and unusual plants, as well as old-time favorites. Perennials, annuals, herbs, and vegetable plants are available. 9 a.m.-noon. For more information, visit

May 30, Green Bay
Repotting Orchids
Green Bay Botanical Gardens

Taught by Mary Stewart, Goin’ To Pot Orchids. 6–8 p.m.




June 2-3, Milwaukee
Tori Gate Festival
Mitchell Park Horticultural Conservatory

Milwaukee Chapter 22 of Ikebana International will exhibit 30 floral arrangements with their signature asymmetrical form and mindful use of empty space. 9 a.m.-4 p.m.

June 2, Green Bay
Schneider Family Grand Garden Series
Green Bay Botanical Gardens

Vic Ferrari Band “Symphony on the Rocks.” 6–9 p.m.

June 2, Waukesha
Spring City Garden Club Perennial Sale
E.B. Shurts Environmental Education Learning Center

Proceeds benefit the Legacy Forest Program, Environmental Learning Center and the beautification of the Waukesha County Parks System. Indoor facilities/rain or shine. Cash or check only. 8:30 a.m.-1 p.m. For more information, visit

June 9-September 9, Milwaukee
To Bee or Not to Bee Summer Floral Show
Mitchell Park Horticultural Conservatory

To Bee or Not to Bee is a continuation of the Shakespeare theme, but with a honeybee twist to the garden’s flowers. 9 a.m.-4 p.m.

June 10, Rosendale
Peony Sunday
Sisson Peony Gardens

The Historical Society has revived this traditional event featuring lunch and music. Usually held the second Sunday in June, the event is sometimes moved up to the first Sunday, depending on the weather. For more information, visit or the organization’s Facebook page.

June 10, Green Bay
Schneider Family Grand Garden Series
Green Bay Botanical Gardens

Opera in the Garden featuring The Florentine Opera. Time TBA.

June 12, Green Bay
DIY Herbal Summer Skincare
Green Bay Botanical Gardens

Kristin Dewane, Young Living. 6-8 p.m.

June 13, Sheboygan
Secret Garden Dinner Series
Bookworm Gardens

Join us for four exclusive nights of culinary delights. Guest chefs will prepare locally inspired meals starting June 13 and continuing July 11, August 8, and September 12. 5:30-8 p.m. Adults-only. Tickets available online.

June 18, Milwaukee
Pollinator Week
Mitchell Park Horticultural Conservatory

Pollinators positively affect all our lives – let’s save them and celebrate with activities, hikes, stories, tips, movies, animals, and food samples all morning. 9 a.m.-noon.

June 23, Sheboygan
Pollinator Picnic
Bookworm Gardens

A garden favorite returns! It’s time for art making, bug hunts, storytimes, and ladybug releases as we celebrate those hard working critters that keep things blooming. 10 a.m.-1 p.m. $5 per person, members free.

June 23-September 23, Oshkosh
Louis Comfort Tiffany: Treasures from the Driehaus Collection
The Paine Art Center and Gardens

The Paine will present more than 60 extraordinary objects by Louis Comfort Tiffany, including lamps, jewelry, and decorative objects.

June 26, Green Bay
Camp GBBG Day Camp: Critter Safari
Green Bay Botanical Gardens

Discover the flying, slithering, creeping, and crawling animals that can be found at the Garden. 9:30 a.m.-3:30 p.m. Register by June 19.


Contacts for venues with multiple events

The Paine Art Center and Gardens

The Domes, Mitchell Park Horticultural Conservatory
Phone: 414-257-5611

Olbrich Botanical Gardens
Phone: 608-246-4550

Boerner Botanical Gardens
Phone: 414-525-5653

The Paine Art Center and Gardens
Phone: 920-235-6903

Green Bay Botanical Gardens
Phone: 920-491-3691

Monk Botanical Gardens
Phone: 715-261-6309

Bookworm Gardens
Phone: 920-287-7895



State-by-State Gardening assumes no responsibility for the accuracy of listed events. It is recommended that you verify the date, time and location of any event you plan to attend.