Longevity is the best priority when building a raised garden bed. This 3-layer western bed with spikes is created from red cedar (much better than white cedar) and can serve you for quite some time, if not many years. Our impressions on the Jumbl raised garden mattress are that it's https://danteemsux.birderswiki.com/685292/an_unbiased_view_of_cedar_for_raised_garden_beds