Yard & Garden/Horticulture

Local Highlights

February 20, 2015

Alliant Energy and Iowa DNR are sponsoring The Operation ReLeaf Residential Tree Program in Jefferson, IA. Each person is allowed to purchase 2 trees and they choose from eleven different varietites. Trees must be picked up on April 18 between 9:00 am and 11:00 am at the Greene County Fair Groudns. Click here for more information! 

March 5, 2015

The Master Gardeners are again bringing Greene County an outstanding guest for their annual public presentation to take place on Thursday, March 12th, beginning at 7:00 p.m. at Trinity Lutheran Church in Jefferson.  Nicole Jonas of Red Granite Farm will talk about her family’s 5-acre farm where they produce vegetables, fruits, and perennial plants. Click here for more information!

April 23, 2014

Spring is here, flowers are popping up, and the Greene County Master Gardeners say now is the time to make your garden beautiful for this summer and fall.  To help you out, the Greene County Master Gardener Plant Sale offers plants taken from Master Gardeners’ own gardens, meaning they are a proven product for this area.

April 23, 2014

Greene County Extension and Outreach and the Jefferson Tree Committee are bringing two meetings about the emerald ash borer to Greene County on April 28, one meeting targeting the general public, and a second specialized meeting for elected officials and public/municipal employees in the county.

November 29, 2012

"Garden Bounty - 2013 Garden Calendar" (PM 0815) is available for $6.00 from the ISU Extension and Outreach online store at www.extension.iastate.edu/store or at the Greene County Extension Office, 104 W. Washington St., Jefferson, IA.  This is the 35th edition of the ISU Extension and Outreach garden calendar.

(515) 294-3108
Hours: M-F 10am-Noon, 1-4:30pm
For lawn, garden, and landscape plant questions

Yard and Garden

Insects & Pests


Master Gardeners


Statewide Resources

  • Convenient access to horticulture publications, programs and people.

  • Production and business management information for commercial producers on wide variety of fruits and vegetables.

  • Helping support the state’s evolving grape and wine industry, because the potential economic opportunities in wineries, value-added agriculture and tourism are limitless.

  • Horticulture & Home Pest News is filled with articles on current horticulture, plant care, pest management, and common household pests written by Iowa State University Extension specialists.

  • Master Gardeners are individuals who have an interest in horticulture, have taken the Master Gardener training offered by Iowa State University Extension, and share their time and expertise with other gardeners.

  • Let us "feed" your appetite for gardening information with a wide menu of gardening entrees.

  •  Information on lawn, garden, and landscape plant questions is available from ISU Extension staff.

  • Images and information on a wide range of common pest and non-pest insects encountered in the home, yard and garden.

Agriculture and Natural Resources has to many resources to help Iowans. Get a list of them all here.

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