What is the average life expectancy of mulch?
Monday, May 25, 2020
You can expect mulch to last 1 to 4 years, with an average of 2 years. Because the combination of moisture and heat accelerate decomposition, 2 years is about the max in Florida, but it may last up to 4 years in cooler, dryer areas.
The primary factor that affects how long the mulch lasts is size of the chunks. Large chips last longer than small chips, and shredded mulch has the shortest lifespan. Also, dyed mulch fades quicker and tends to be shorter lasting when it has direct and extended exposure to sunlight. See our blog post Does wood chip mulch in the yard attract termites? for facts about this concern for many homeowners.
Here’s a bar graph that compares the life expectancy of mulch to other site amenities.
And go to What is the average lifespan of the parts of a house? for rating of other house components. To understand the basis, potential use, and limitations of lifespan ratings, see our blog post How accurate are the average life expectancy ratings of home components? Are they actually useful?
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Here’s links to a collection of our other blog posts about a home’s SITE:
• Which trees are most likely to fall over on your house in a hurricane?
Visit our SITE page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.
NOTE: These life expectancies are based on data provided by InterNACHI, NAHB, FannieMae, and our own professional experience. Because of the numerous variables that can affect a lifespan, they should be used as rough guidelines only, and not relied upon as a warranty or guarantee of future performance.
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