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Re: sweet clover control

Sweet clover is really bad in our area (near St. Louis) this year. 
Mowing it to the ground while it's in full flower will reduce seed 
set for future generations of this biennial plant.

It has been suggested that an early burn to stimulate germination, 
followed by a late burn (after green-up) the following year, will 
help control it, but I don't know of any documentation of this. This 
treatment will also reduce the showiness of perennial forbs the 
second year, but since they're perennial, there should be no 
long-term damage to them. If anyone has used this two-year method 
successfully, let us know.

James C. Trager
Shaw Arboretum
P.O. Box 38
Gray Summit MO 63039
PH# 314-451-3512
FAX 314-451-5583
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