Parks and Recreation System Master Plan Update (2016) parks_and_recreation_system_master_plan_update_oct | Page 469

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Oriental Bittersweet (Celastrus
orbiculatus)
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Chinese Yam (Dioscorea polystachya)
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Climbing Euonymus or Wintercreeper
(Euonymus fortunei)
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Lesser Celandine (Ficaria verna)
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fruiting/dispersal of seed
If plants are pulled while in fruit, vines must be
bagged and disposed of in a landfill
Herbicide application is effective when using
glyphosate or triclopyr, especially in combination
with manual or mechanical removal techniques
For a herbicidal foliar application, use a water-based
solution of 2.5% triclopyr in the summer and fall;
smaller infestations will need an application of
glyphosate
For a basal bark application, use a mixture of 20-
30% Garlon® 4 mixed with basal and horticultural
oil, diesel fuel, and No. 1 or No. 2 fuel oil or
kerosene near the base of the vines
Manual removal of the vine is effective, taking care
to pull all roots
If plants are pulled while in fruit, vines must be
bagged and disposed of in a landfill
For basal bark herbicidal application, use a 20%
solution of Garlon® 4 (2.5 quarts per 3-gallon mix)
with a basal oil to vine stems on any days above 50°
F
For cut stem application, apply 25% solution of
glyphosate or triclopyr plus water and is effective at
temperatures as low as 40° F
Foliar applications of herbicide must be done after
native vegetation has become dormant (October-
November); apply 2% solution of Garlon® 4 or
Garlon® 3A mixed with water and a non-ionic
surfactant to the leaves, being sure to wet the leaves
but not causing runoff; ambient air temperatures
should be above 40° F
Extremely difficult to eradicate so repeated
treatments are necessary
For small infestations, dig up and dispose of whole
plant and dispose of in a trash bag
For large vines, cut to ground level and immediately
treat the cut stump with trichlopyr at 50% solution.
Dispose of vine in a trash bag
For smaller plants foliar treat with trichlopyr at 2%
solution
Can be removed manually with a Pulaski or similar
digging tool, making sure to include all roots and
runners; all plant parts must be bagged and disposed
of in a landfill
For cut stem application, apply 25% solution of
glyphosate or triclopyr plus water and is effective at
temperatures as low as 40° F
For foliar applications of herbicide, apply a 2%
solution of glyphosate or triclopyr mixed with water
and a 2.5% non-ionic surfactant to the leaves, being
sure to wet the leaves but not causing runoff;
ambient air temperatures should be above 65° F
Extremely difficult to eradicate so repeated
treatments are necessary
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