One of the quieter perks of owning a home in Johnson County, KS is that you have access to something most homeowners in other parts of the country simply don't, and it costs absolutely nothing to use.
The Johnson County K-State Research and Extension office offers free, research-based guidance on everything that grows in your yard, from your lawn and trees to shrubs, vegetables, and flowers. Whether you have a question about lawns, vegetables, flowers, or landscape maintenance, the Extension information is designed for use by everyone, including homeowners. Kansas State University That means you don't have to be a master gardener or a landscaping professional to get real, science-backed answers about what's happening in your yard.
This time of year, with spring arriving and the yard waking back up, is exactly when most homeowners start making decisions that will affect how their property looks and functions all the way through October. In March, there are specific tasks that matter for Johnson County lawns, including seeding thin areas in bluegrass and tall fescue, fertilizing if no fall application was made, and mowing about half an inch lower to clear out winter debris without scalping the grass. Kansas State University On the tree and shrub side, most trees can be pruned now, though birch, maple, and walnut are better left until after they leaf out, and spring-flowering shrubs should wait until after they bloom. Mulching around trees and shrubs up to four inches deep, keeping it away from the trunk, is also recommended this month. Kansas State University
These aren't random tips. They come from horticulture agents who know this specific region, its soil, its climate, and its growing conditions.
Johnson County has two dedicated horticulture agents. Markis Hill specializes in ornamentals, trees, shrubs, flowers, turf, and horticultural environmental issues, and he oversees the Extension Master Gardener program. Anthony Reardon focuses on fruit, vegetables, and small urban farms. Kansas State University You can reach them directly at garden.help@jocogov.org with questions about your specific situation.
The Extension office also staffs a year-round Gardening Hotline at 913-715-7050, where volunteers can answer common questions right away, and more complex issues get routed to research from Kansas State University and other experts. Johnson County Kansas
Beyond the hotline, the Johnson County Extension Master Gardener program maintains nine demonstration gardens throughout the county, covering everything from landscape trees to vegetables, perennials, and annuals, so there's something relevant for almost every home gardener. Kansas State University Master Gardeners are on site at these gardens every Wednesday morning from March through October to answer questions and offer tours. Kansas State University
There's also a free Healthy Yards Expo coming up on April 11, 2026, with practical lawn and garden tips, family-friendly activities, and a speaker series. Johnson County Extension Office It's a great way to come in with your specific questions and walk out with a real plan for your yard.
As a real estate agent who has worked in Johnson County for over 35 years, I can tell you that a well-maintained yard is one of the first things buyers notice and one of the things sellers most often underestimate. Maintaining attractive home landscapes in Johnson County not only increases property values but contributes to the quality of life that makes this community such a desirable place to live. Kansas State University
If you're a homeowner here and you haven't bookmarked the Johnson County K-State Extension site, now is a good time to do it: johnson.k-state.edu/programs/lawn-garden
And if you ever have questions about buying or selling a home in Johnson County, I'm always happy to talk.
Cindy DiCianni, CRS,CHLMS,ABR RE/MAX State Line | 913-312-3614 office or 913-430-8922 direct
