Nutsedge News

Nutsedge: The Superweed

Nutsedge

The best way to describe nutsedge is “superweed.” Unlike other broadleaf weeds, this sedge has a robust root system made of nut-like tubers called nutlets. The nutlet stores a high amount of energy for the nutsedge to use in its lifecycle. With their grass-like leaves, sedges can be difficult to distinguish within the lawn at the beginning of the growing season. In the hot, humid, sunny days of summer, however, it grows faster than most grasses and even begins to flower. It is easy to distinguish only a few days after mowing by the lighter green leaves shooting up quicker and taller than the grass surrounding it.

Because of its reliance on heat and light, nutsedge does not do well in shady areas. Nutsedge thrives particularly well in wet soil and will invade areas where it didn’t grow in the past because of the amount of moisture retained in the soil. Increased soil moisture could be from poor drainage, too much rain or irrigation, or even water run-off from a leaking hose. If any of these things can be modified, that might help. Otherwise, a fall aeration may be necessary to relieve soil compaction, which will aid in better overall drainage.

 

How to Treat It

In the lawn and landscape industry, nutsedge continues to be an issue we tackle head-on. Unlike annual grassy weeds like crabgrass, we have no pre-emergent herbicides that allow us to treat the sedge before it sprouts. Instead, we can only treat nutsedge post-emergently while we can see it. Because of the stored energy in the “superweed” nutlets, it is not uncommon for nutsedge to recover after we treat it and reappear after only a couple of weeks. Even hand-pulling is only partially effective unless you remove the entire root system.

It often takes several herbicide applications entirely control this tenacious weed until it dies off in the cooler fall temperatures. Even then, there still might be enough stored energy in the roots for it to return the next year. While we are happy to treat the nutsedge when we find it in the yard, or when we receive a service request, there may be circumstances where further treatment is no longer advisable. If herbicide could burn the lawn due to heat or drought, we recommend postponing chemical treatment to prevent damage.

 

For your reference, consider reviewing the links below for additional information:

https://hgic.clemson.edu/factsheet/nutsedge/

https://www.domyown.com/nutsedge-identification-guide-a-561.html

Mulching Leaves Saves Time, Money, and Work

MulchingMost of us enjoy the beauty of fall, with its warm, rich days that surround us in those glorious bursts of color. But after the last of the leaves have fluttered from the trees, autumn also presents us with that carpet of crumbling, brown and orange debris which must be dealt with before the first snows of winter descend. Instead of breaking your back raking leaves on a beautiful weekend afternoon, wouldn’t it be nice to have an alternative that would save you time? If you have a mulching mower, you have all you need. Just remove the bag and insert the mulching plug. (more…)

We Know Lawn Disease Control

Of all lawn-damaging problems, fungal diseases of turf grass are some of the most difficult to control. There are several diseases that can infect your lawn.

LesionsPrevention is the best strategy for managing lawn diseases in home lawns. Proper fertilization and mowing, irrigating in early morning hours only, choosing the right type of grass, improving poor drainage and increasing air circulation around grassy areas will fend off serious problems. However, disease pathogens are present in your average lawn and when lawns are stressed and weather conditions (like we have had recently) are right a disease can occur. (more…)

Cankerworm Invasion

CankerwormThere seems to be a Cankerworm invasion!

An increased population of cankerworms (commonly called inchworms) in our area has led to bothersome webs hanging from trees along with loss of leaves in the spring.

The best defense is to band trees in the fall to prevent cankerworms from traveling to the top to lay eggs. Depending on the types of trees and shrubs on a property and the property owner’s level of tolerance, there are several things we can do for cankerworm prevention and removal. (more…)

What is Power Core Aeration?

Core AerationPower Core Aeration is performed using a machine that creates thousands of holes throughout your lawn. In its wake, it leaves behind small “cores” of soil (see picture). These cores contain beneficial microorganisms that help to breakdown thatch. We recommend Power Core Aeration at least yearly so if you missed out on spring Power Core Aeration, fall is the next best time. (more…)