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Polk County Master Gardeners

Iowa State University Extension and Outreach in Polk County

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Events

The Polk County Master Gardeners host events throughout the growing season to provide educational opportunities to the community. Each year we host a few signature events, as well as other pop-up events throughout the spring/summer. 

Garden Tour


Our next Garden Tour is in the Works! Check out extraordinary gardens created by ordinary people across the county in this educational event! Check out more information on our 2024 Garden Tour page. 


Bus Trips

Take a charter bus to explore nearby gardens and sites in Central Iowa and beyond! Read more and register on this page. 


Ask a Master Gardener


Visit us at the Downtown Des Moines and Beaverdale Farmers' Markets during the growing season! Come with your burning questions, or check out timely gardening information you can use at home. 


Don't Miss out!

Check our page often for pop-up events, summer lecture programs, and more!

Upcoming events

    • 2 Sep 2025
    • 6:00 PM - 7:00 PM
    • Enabling Garden - 1050 1st Ave S. Altoona, IA 50009
    Register

    Join Joe and Lindsay Leonetti as they discuss their experience with home hydroponics. 

    • 18 Sep 2025
    • 6:00 PM - 8:00 PM
    • ISU Polk County Extension Office, 1625 Adventureland Dr., Suite A, Altoona, IA
    • 76
    Register

    Test your skills, ask burning questions and do some hands on learning. Come out to Altoona Extension Office for a fun, interactive event on various fall gardening tasks such as propagating coleus, how to make bulb lasagna, installing a bee lawn, and more. 

    2 hrs. CEU for Master Gardeners. This event is open to the public. 


    • 20 Oct 2025
    • 5:30 PM - 7:30 PM
    • Greater DM Botanical Garden, 909 Robert D. Ray Dr, Des Moines, IA 50309
    • 60
    Registration is closed

    This event is for Master Gardeners (MGs) only. This event is required for new trainees for Fall 2025 MG Class. Up to 20 more slots for already active MGs. 

    GROUP A - Trainees_ Starts with Seed Starting 101, goes to Plant Propagation, then ends with IPM.

    GROUP B - Trainees _Starts with Plant Propagation, goes to IPM, then ends with Seed Starting 101.

    GROUP C - Active MGs _Starts with IPM, then goes to Seed Starting 101, ends with Plant Propagation

    Choose your group when you register. All groups will attend each session. The group determines where you begin and end. 

    Please remember your group assignment, when you arrive and check in we will also have the list with instructions.

    Overall lab descriptions:

    Master Gardener Trainees will have the opportunity to practice seed starting and propagation skills at the DM Botanical Gardens. This event is only open to MG Trainees. There are 3 groups so please remember your group assignment, or look on your app, when you arrive. This counts as 1 of 3 required in-person sessions. 

    Sow Seeds and transplant basil in your kitchen window this winter! You can transplant what you grow next spring. 

    Training includes Integrated Pest Management Techniques, Watering and Soils/Potting Media, Sowing Seeds including Supplemental Lighting, Transplanting, "Watering in" transplants, and Care for you transplants at home, as well as Propagation where you can learn how to propagate leaf cuttings, divisions, and more!


    • 9 Apr 2026
    • 6:00 PM - 9:00 PM
    • Polk Extension Office 1625 Adventureland Dr. Suite A
    Register

    This evening is to celebrate all the accomplishment of 2025! There will be special awards and dinner is provided. 

    Education Session is TBD soon. This evening will include 2025 Awards and Recognition.

    Evening Agenda:

    Agenda:

    6-6:30 dinner & social time

    6:30 p.m. Speaker TBD  (earn 1 hour of education)

    7:30 p.m. Break

    7:40 Awards and Celebration. In addition to the MG Special Awards, folks with milestone MG years will be honored.

    This event is open to the public. Please bring family and friends! Master Gardeners and non-Master Gardeners are welcome. Master Gardeners receive 1 credit CEU for attending. 

    UPDATE: The Program Committee will be supplying the main course- chicken, hamburgers and the vegetable dishes for this event, as well as coffee and water.  Please plan to bring your favorite dessert to share for this event.  

    Let's keep it green, please bring your own reusable water bottle. 

Contact Us
Office: 515-957-5768
polkmg@iastate.edu

ISU Extension and Outreach, Polk County:
1625 Adventureland Dr.
Suite A | Altoona, IA 50009

This institution is an equal opportunity provider. For the full non-discrimination statement or accommodation inquiries, visit Iowa State Extension Legal

© Polk County Master Gardeners 2025

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