Your guide to spring yard care this season

Talk of Iowa47mMay 2, 2026

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AI-Generated Summary

This episode of Talk of Iowa delivers a comprehensive, science-backed guide to spring lawn and garden care, challenging common myths and offering practical, sustainable solutions. The central revelation? Letting grass grow long for 'no-mow May' is not only ineffective for pollinators but actually harms lawns by promoting crabgrass and thinning turf. Instead, experts advocate for intentional pollinator habitats. The episode reveals that winter damage to lawns and trees is often due to a lack of snow cover and soil moisture, not just cold temperatures. A key takeaway is that compost application in new developments can dramatically improve soil health and water retention, while over-fertilizing in spring leads to excessive mowing and nitrate runoff. The conversation also debunks the idea that clover is a good solution for dog-trafficked lawns—tall fescue is far more resilient. For persistent weeds like creeping Charlie, the solution isn't just spraying but addressing underlying shade and soil conditions. The episode concludes with a powerful message: sustainable gardening isn’t about avoiding work, but about working smarter with nature—using compost, proper mowing, and targeted interventions to build resilient landscapes that thrive without chemical dependency.

Key Takeaways
1

Never remove more than one-third of grass height in a single mow—gradually reduce height over multiple sessions to avoid stress.

2

Crabgrass preventer is ineffective after emergence; if missed, use post-emergence herbicides after the weed is visible.

3

Apply compost to new lawns to improve soil health, water retention, and organic matter—especially beneficial where topsoil was removed during construction.

4

Use slow-release or organic fertilizers (like Milorganite) and avoid quick-release types to prevent nitrate runoff and water pollution.

5

Remove flower stalks from rhubarb immediately to redirect energy to leaf and petiole growth, improving harvest quality.

…and 5 more takeaways available in PodZeus

Chapters
0:00
2 min

Spring Lawn Care Kickoff: Mowing and Timing

Host Charity Nebbe welcomes Adam Tomes, a turfgrass specialist, to discuss the basics of spring lawn care, starting with proper mowing height and timing. The episode begins with a focus on the importance of not cutting more than one-third of grass height at once, especially after a rainy spring.

2:00
3 min

Crabgrass and Winter Damage: What’s Happened to Your Lawn?

Tomes explains that crabgrass has already emerged, making pre-emergence preventers ineffective. He also details winter kill from cold temperatures and lack of snow cover, particularly affecting tall fescue and perennial ryegrass, leading to dead spots.

5:00
4 min

Fertilizing Smartly: Timing, Type, and Environmental Impact

The episode dives into spring fertilization, emphasizing that while it helps thicken turf, overuse leads to excessive mowing and runoff. Experts recommend slow-release or organic fertilizers and stress avoiding application before heavy rain.

9:00
4 min

Compost: The Secret Weapon for New Lawns

Tomes highlights compost as a game-changer for new developments where topsoil was stripped. He explains how compost improves soil structure, water retention, and microbial health, and recommends applying it once every few years.

13:00
4 min

Grass Clippings: Nature’s Free Fertilizer

The episode emphasizes leaving grass clippings on the lawn to return nutrients and build soil organic matter. Removing them wastes free fertilizer and undermines soil health.

High-Impact Quotes
You're going to end up mowing it back down. The grass is going to suffer and thin out. And then you're just going to have a big stand of crabgrass. And so that's not useful at all to anything.
Adam Tomes29:38
Viral: 85.0
If the whole tree is dead all the way down to the ground level, then it would be a situation where you would want to remove and replace because what you're going to get is going to be something that's going to have inferior fruit if it sets fruit well at all.
Adam Tomes35:29
Viral: 78.0
The key here is you're going to have to remove the plants that are there, and so I would try to do whatever you could to try to kill out the existing material that's there.
Adam Tomes44:06
Viral: 68.0
Speakers

Host

Charity Nebbe

Guests

Adam TomesAaron StileErin Stile
Topics Discussed
spring lawn care95%no-mow may myth92%crabgrass prevention90%turfgrass fertilization88%compost application85%creeping charlie control82%grass clippings recycling80%robotic lawn mowers75%
People & Brands

Adam Tomes

person

12xNeutral

Charity Nebbe

person

10xNeutral

Iowa State University

organization

8xNeutral

Aaron Stile

person

4xNeutral

Erin Stile

person

3xNeutral

Milorganite

product

2xPositive

triclopyr

other

2xNeutral

Pennsedge

other

2xPositive

home orchard spray

product

2xNeutral

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