The oregon state university cooperative extension says that they can rob the earthworms of food but that.
Moss spray for gravel roof oregon state university.
Finding stuff to remove moss from concrete roofs gravel.
After finishing application rinse thoroughly with water.
In fact one way to prevent moss from growing in the first place is to attach zinc strips to the ridge of your roof.
Oregon state university s extension service experts offer advice on when to apply moss killers on the roof and lawn and information about port orford cedar root disease.
Use a backpack sprayer and spray liquid to dry area infected with mosses.
Apply by sprinkling can hose end or tank sprayer.
Rushes sedges oregon grape ferns ocean spray mock orange monkey flower etc.
Mix a solution of half bleach or ammonia and half water in a garden sprayer.
Moss is present on north side of roof which i want to remove.
Methods of moss control some homeowners are interested in controlling or removing mosses growing on their roofs decks sidewalks patios lawns or trees and ornamental shrubs.
Ask the osu experts a.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
Take care not to get the solution on your clothes if using bleach.
Thoroughly soak moss but avoid runoff.
Do not apply if building has copper gutters or down spouts as corrosion may occur.
Moss b ware is 99 percent zinc sulfate monohydrate a proven moss killer and moss deterrent.
Hose off and brush all moss loose from your roof shingles.
I have disconnected all downspouts and storm water from roof now flows into rain gardens planted with nw natives.
What do you recommend for removing moss from roof composite shingles in the least toxic way.
Water and apply to 600 square feet of moss area.
Others are concerned about possible structural damage to parts of their property.
Table salt spray the surface of moss with a 10 or 20 per cent solution or sprinkle dry table salt when moss is wet.
Keep surface wet for at lease 30 seconds.
Photo courtesy of oregon state university.
Spray this solution on the moss covered gravel.