Lichen!
A harmless and sometimes considered unslightly combination of algae or cyanobacteria and a fungus, coming together in a mutually beneficial relationship.
With a range of colours and forms, the presence of lichen on a tree is a sign of clean healthy air and that it has no negative impact on the growth of the tree.
An epiphyte (a plant or plant-like organism that grows on the surface of another plant), lichens are unlikely to kill a tree, or cause it to fail. Lichens are not parasitic and do not draw nutrients from the tree.
Lichens need sunlight for photosynthesis, so they don't thrive in heavy shade. Consequently, they are typically found on deciduous trees or trees that are already dying, as these conditions provide less leaf cover in the canopy, allowing more light to reach the lichens.
While it is normal and natural for lichen to be present on a tree, an abundance of lichen might suggest that the tree is experiencing some form of stress.
If you are concerned about the presence of lichen
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Who’s the Smarty-Pants in the Neighbourhood? Let’s Find Out!
I’m not alive, yet I grow with care.
I wear ornaments, lights, and sometimes a star to bear.
My evergreen presence fills the air, bringing joy to the hearts of those who prepare.
What am I?
Do you think you know the answer to our daily riddle? Don't spoil it for your neighbours! Simply 'Like' this post and we'll post the answer in the comments below at 2pm.
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Head here and hover on the Following button on the top right of the page (and it will show Unfollow) and then click it. If it is giving you the option to Follow, then you've successfully unfollowed the Riddles page.
Poll: Would you rather: Christmas in summer forever or winter forever?
Just a bit of a fun poll to get you thinking.
If you had to live out your Christmas days, would you prefer it was a summer Christmas or a winter Christmas?
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60.2% Summer
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37.7% Winter
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2.2% Other - I'll share below
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