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Is granite resistant to lichen growth in landscape planter boxes?
Granite is widely regarded as a durable and low-maintenance material for landscape planter boxes, but its resistance to lichen growth is often questioned. Lichen, a symbiotic organism of algae and fungi, thrives in moist, shaded environments. While granite's dense, non-porous surface makes it less hospitable to lichen compared to softer stones, it is not entirely immune.
In outdoor settings, granite's natural resistance to moisture absorption reduces the likelihood of lichen colonization. However, prolonged exposure to damp conditions or organic debris can still create microhabitats for lichen. Regular cleaning and proper drainage in planter boxes can mitigate this issue.
For gardeners seeking a lichen-resistant option, granite remains a superior choice due to its longevity and minimal upkeep. Pairing it with sunlight exposure and airflow further discourages lichen growth, ensuring your landscape stays pristine.
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