Growing Grapes Mulch

Help grape hyacinth, please?
They have exceeded my flowers! It started, threw and broke her year after year. I also put a leaf litter and brush them. They become the flower of the same **. the flowers are beautiful in spring, at first, but the leaves continue to grow throughout the summer, through of weed and bulbs continue to grow! What I can do a roundup of growth?
All you can do is keep digging small out.even
Marijuana ‘micro-brewer’ says he’s a ‘neighborhood pharmacist’