DRUG DESCRIPTION. PROSCAR (finasteride), a synthetic 4-azasteroid compound, is a specific inhibitor of steroid Type II 5Î±-reductase, an intracellular enzyme that converts the androgen testosterone into 5Î±- dihydrotestosterone (DHT). Finasteride is 4-azaandrost-1-ene-17-carboxamide, N-(1,1-dimethylethyl)-3-oxo-,(5Î±,17Ã)-.
1 The stronger and thicker you can get your lawn, the less chance violets will stand to spread. 2  Seed your lawn. 3  You can either over-seed during a core aeration or slice-seed areas to help them fill-in with new turfgrass.4  Stay on top of things. 5  It may take a couple years to really get a handle on a big crop of violets.ollow these basic principles to win the war on violets: 1  Use the right herbicides. 2  Create an environment that is best for your lawn. 3  Fill in the thin or bare areas. 4  Stay on top of things.
The dedicated grass lover will need to know how to get rid of foxtail grass in lawns. Yellow foxtail is the most prevalent in turf grass. It grows in areas of moist or dry soil and is tolerant of a wide range of conditions.A healthy lawn is the first weapon against the weed.he dedicated grass lover will need to know how to get rid of foxtail grass in lawns. Yellow foxtail is the most prevalent in turf grass. It grows in areas of moist or dry soil and is tolerant of a wide range of conditions.