Black Swallowwort: (Vincetoxicum nigrum)

Spray black swallowwort vines with glyphosate or triclopyr in late summer to early fall.

ROUNDUP [glyphosate (41%)]: 2.5 fl. oz./gal

BRUSH-B-GON [triclopyr (8%)]: 4 fl. oz./gal

 

Winged Euonymus: (Euonymusalatus)

Foliar sprays or cut stump treatments with glyphosate or triclopyr are effective.

ROUNDUP [glyphosate (41%)]:

Foliar spray: 2 fl. oz./gal

Cut-stump treatment: Diluted with equal part water (1:1)

BRUSH-B-GON [triclopyr (8%)]:

Foliar spray: 4 fl. oz./gal

Cut-stump treatment: Undiluted                                                                                                                                                                             

 

Poison Ivy: (Toxicodendron radicans)

Problem native; not “invasive” per definition of CT Invasive Plant criteria. Caution must be taken to avoid skin contact with any part of the poison ivy plant or its oils that may contaminate clothing. Small vines can be controlled with sprays of triclopyr (throughout growing season) or glyphosate (best activity in late summer to early fall). Cut large vines that are wrapped around trees, and apply glyphosate or triclopyr to freshly cut surfaces.

BRUSH-B-GON [triclopyr (8%)]:

Foliar spray: 4 fl. oz./gal

Cut-stump treatment: Undiluted

ROUNDUP [glyphosate (41%)]:

Foliar spray: 2.5 fl. oz./gal

Cut-stump treatment: Diluted with equal part water (1:1)