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.
Many homeowners trying to get rid of moss in the lawn fail to realize that moss plants are an indicator that you currently have less than ideal conditions for growing grass. In other words, this weed is not the cause of your problems, but an effect.The potential causes behind the problem are: 1  Low soil pH.hen you should aerate depends, in part, on the type of lawn grass you grow. Aerate cool-season grasses in early fall and warm-season grasses in mid-spring to early summer. Some homeowners intent on getting rid of moss really need to be focusing on getting rid of thatch.