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.
Step 5. Place the African violet's root ball in the center of the pot. Add or remove soil from the pot as needed to position the point on the stem that is 1/4 inch below the bottom leaves at 1 inch below the pot's top. Fill the pot with soil, tamping it down around the sides of the root ball and the stem's neck.