Lecture 12: Hard to Control Weeds

Study questions:


  • What are the characteristics (discussed in class) of “hard to control” species – that make them hard to control?
  • Know the specific reasons for each species discussed in class -- life cycle, reproduction, spread, herbicide tolerance, etc.
  • Describe the recommended control guidelines for each species discussed in class.
  • For each control option, describe the advantages and limitations.
  • Know in which types of landscape beds these options can and cannot be used.

Weeds:
  • Nutsedges
  • Annuals: morning glory, dodder, vetch
  • Florida betony
  • Dollarweed / Pennywort
  • Bamboo
  • Bindweed

Woody Weeds: evergreens (smilax and English ivy), deciduous vines (poison ivy, oriental bittersweet), semi-evergreen (honeysuckle)