Sturdiness is the highest priority when building a raised garden mattress. This three-layer western bed with spikes is built from purple cedar (much better than white cedar) and will provide you for quite some time, Otherwise many years. Shown: These kit-crafted beds have porous, rot-evidence sides made of wood chips https://cedarforraisedgardenbeds49505.wikistatement.com/4012054/rumored_buzz_on_raised_wooden_garden_beds