·Vegetation in a graveyard and close to markers can cause damage.
·Remove moisture trapping debris, such as dead limbs, leaves, etc.
·Oak, pine, and cedar tree droppings are particularly damaging (acidic). Cedar trees were a typical decorative tree planting. Remove the cause.
·Spanish bayonet (liliaceous plant of the genus Yucca) was a common planting in early Missouri graveyards. These were planted profusely and close to headstones, often on either side. They can grow large and displace marker. Cut back or, if endangering stone, remove.
·Uncontrolled tree growth causes a thick canopy which promotes detrimental algae, moss, and lichen growth.