Are Mulch Fires Common

How Often Do Mulch Fires Happen? Mulch fires are more common in some states than others. Massachusetts, Virginia and Ohio recommend keeping 18 inches between mulch and the sides of structures. They also advise about the dangers of throwing away smoking material in mulch or potted plants.

Is mulch fire resistant?

Inorganic mulches such as decomposed granite, gravel, or rocks offer superior fire-proofing as landscape mulches and should be used when mulch is needed within five feet of buildings or any combustible structural materials such as siding or decking.

Is bark mulch flammable?

Mulch is flammable and can be very hard to extinguish once it catches fire. … Some organic mulch, such as shredded pine bark, typically ignites only after the mulch has weathered on the ground for six months. The study notes that fire-resistant mulches include cocoa shells, pine bark nuggets and shredded hardwood.