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Weeds

  • Herbicides
  • Herbicide Injury
    • Symptoms & Factsheets
    • What to Do
    • Vegetables & Small Fruits
    • UC - IPM Herbicide Injury Symptoms
  • Weed ID
    • Weeds of Southern Turfgrass
    • Weeds of the South
    • Weeds of the Northeast
    • Plant Toolbox
    • Virginia Tech Weed Identification
  • Weed Management Resources
    • Cost-Effective Weed Control in Container Nurseries
    • IPM Trees Guide
    • IPM Shrubs Guide
    • Shrubs II
    • 2017 SE US Pest Control Guide
    • Publications
  • Teaching
  • Recent Projects
    • FeHEDTA Efficacy
    • Invasive Species Assessment
    • Nostoc Control
    • Nursery Weed Control Costs
    • And More
    • Crop Science
    • Entomology
    • Plant Pathology
    • Horticulture
  • Publications & Factsheets

Discover Extension

Access Publications Explore Topic Areas Read News Visit County Centers Find Extension Jobs
dark green larger old leaf and new light green growth

English Ivy -- Spring is the best time to control this tough weed

Published - March 4, 2024 Read

News From Weeds

pinnately compound leaves and seed clusters
Tree of Heaven Control Guidelines

Published - August 4, 2023

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

Published - June 23, 2023

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

Published - March 30, 2023

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

Published - March 3, 2023

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

Published - August 5, 2022

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

Published - April 4, 2022

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

Published - November 9, 2021

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

Published - September 23, 2021

All News From Weeds

News From NC State Extension

Cotton protected from thrips on left versus not protected on right. Basically there is no cotton on the right
Think About Thrips Management Before Planting

Published - April 14, 2026

From: Cotton
Image not available
When should I begin planting cotton? (Collins & Edmisten)

Published - April 13, 2026

From: Cotton
Wendy Gantt of Alliance Health, #PassTheMicYouth Co-Director Maru Gonzalez, Kim Roberts from Town of Cary, and Carlos Moses from Wake County 4-H.
#PassTheMicYouth Honored with NC State’s Opal Mann Green Engagement and Scholarship Award

Published - April 13, 2026

From: Family and Consumer Science Program
An EMG volunteer of Durham County presents on pruning in front of a presentation screen that shows the gardening tool in front of a classroom of volunteers who are focused on learning.
2025 Annual Report Spotlights Volunteers' Commitment to Growth through Continuing Ed

Published - April 13, 2026

From: Extension Master Gardener Volunteers
Blades of turfgrass that show red, yellow, and green colors due to temperature stress.
Spring Colors of Turfgrass

Published - April 13, 2026

From: TurfFiles
Winter weeds in a field
Preplant Herbicide Options Peanut Notes No. 46 2026

Published - April 12, 2026

From: Peanut
Peanut field being planted in spring.
Nematode Suppression with Outreach SC Peanut Notes No. 45 2026

Published - April 11, 2026

From: Peanut
Variety Trial
Pod Rot Management Peanut Notes No. 44 2026

Published - April 11, 2026

From: Peanut
Native vegetation and cereal rye cover crop
Preemergence Herbicides for Reduced Till Peanuts Peanut Notes No. 43 2026

Published - April 11, 2026

From: Peanut
Strip with damage from zink
Zinc Question Peanut Notes No. 42 2026

Published - April 11, 2026

From: Peanut
All News From NC State Extension
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