News From Weeds

one pansy flower
Manage Winter Annual Weeds Before They Establish

October 28, 2025

two leaves, green and bright yellow
Is It Too Late in the Season to Spray Woody Weeds With Glyphosate?

October 21, 2025

dark green larger old leaf and new light green growth
English Ivy -- Spring is the best time to control this tough weed

March 4, 2024

pinnately compound leaves and seed clusters
Tree of Heaven Control Guidelines

August 4, 2023

in-row, bare soil with vegetation between rows.
New Publication - Weed Control in Christmas Trees

June 23, 2023

Weeds of the Northeast, 2nd edition book cover with feature bullets and plant photos
New Weed Identification Book Now Available

March 30, 2023

oval cotyledons, shallow lobed leaves
Mugwort Seedlings Are Emerging (Yes, Seedlings!)

March 3, 2023

opposite and deeply lobed leaves
Common Ragweed - a Challenging Weed to Control in Fraser Fir Production

August 5, 2022

broad leaves, with indented tips
What Is That Weed? There's an App for That Too!

April 4, 2022

bright yellow flowers
When Forsythia Blooms, Get Ready for Spring Germinating Summer Annual Weeds.

March 8, 2022

photo of foliage, thick stems rooting at the nodes with subteranean flowers photo credit: J C Neal
Have You Seen Tropical Spiderwort?

November 9, 2021

four photos, seedling and blue flowers
What’s That Pretty Weed? Ageratum

September 23, 2021

close up of flower heads with salmon-red color
Have You Seen Thickhead in Your Garden?

September 6, 2021

Image not available
Surflan (Oryzalin) -- Limited Supplies and Uncertain Future?

January 29, 2021

a young bamboo shoot emerging from the ground
Thinking About Growing Bamboo? Proceed With Caution!

March 29, 2019

2 week old plants are small. 4 week old plants fill the pots
Are You Hand Weeding Frequently Enough?

October 17, 2018

Microstegium seedlings in mulch
What Is That Weed?

May 8, 2016

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