Questions tagged [algae]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
16
votes
3answers
3k views

Is this heavy blue-green growth on my tree trunk and branches a form of lichen?

I have a tree with a fairly heavy growth across its trunk and branches; I suspect that it's a form of lichen but I'm not sure. Is this something that will negatively affect the growth or health of ...
6
votes
1answer
836 views

What is killing off my lucky bamboo?

I've been following the general guidelines for taking care of lucky bamboo. Purified water Sunny area, indirect sunlight No fertilizer Indoors (60 to 70 fahrenheit nowadays) They have been slowly ...