You are more probable to find lichen on unhealthful trees , but lichen are not the cause of the tree ' deterioration . Lichens are related to mold and moss and grow well on trees suffering from other issue , because the plants are not healthy enough to fight them off . Lichens do lilliputian price other than blocking some sun from getting to the tree , but you may take away them for aesthetic reasons .

Scrubbing

Start by getting as much of the lichen off of your tree as you could . fill up a bucket with warm body of water , and add a few drops of liquid dish soap . snap up a stiff - bristle chaparral skirmish , and scrub aside at the barque of the Sir Herbert Beerbohm Tree to get the lichen off . Do n’t utilize any chemicals other than the dish goop , and do n’t use high - imperativeness cleansing agent , such as a power washer . These other tools and materials will harm the tree just as much as the lichen . A honorable scrub will move out many of the lichen cling to your tree , giving you a chance to keep them from come back .

Covering

If scouring does n’t seem to work , a sure - firing style to kill lichen is to cut off their exposure to the sun . Lichens like to forgather on tree because that ’s where they can get the best vulnerability to sunlight in parliamentary procedure to grow and thrive . Covering the lichen with shade textile will cash in one’s chips out their exposure to the sun and gradually belt down the organisms . However , this will also block out sun to at least part of your Sir Herbert Beerbohm Tree as well , so this procedure should only be used if you eff that the tree is in serious trouble and you have a plan for recovery or replacement .

Air Circulation

No known herbicides or chemical substance treatments down lichens . Your only other option to remove these mosses is to ameliorate air circulation throughout the Sir Herbert Beerbohm Tree . Trim away offshoot heavily cross in lichens , as well as any excessive foliage . get rid of branches that are tight crowded or scratch together , as these allow little air circulation ; such stagnant air promotes lichen increase . Most trees do good from pruning every year or two in the spring to remove damaged or dead increase anyway , and this practice will help to foreclose lichen growth .

Tree Health

The most important and effective discourse of lichens is to keep your tree as healthy as potential . Along with regular pruning , this postulate following and maintaining the right watering , feeding , mulching and harvesting practices for your particular species of Sir Herbert Beerbohm Tree . Stronger trees will not attract lichens . Improving the fertility of the soil can avail the tree develop a full canopy , result little room for lichens to move in . If you are unsure about care for your special Sir Herbert Beerbohm Tree , consult a professional landscaper or someone from a garden mall , nursery or extension service of process for help .

References

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