How to harvest, how much and how long it takes to harvest?

[iaintay]

Java Moss
Flame Moss
Spiky Moss


Thank you very much in advance,

Cheers

[Wolfgangs246]

If you want a quick and dirty method, you can invert your decoration and then use a pair of scissors to trim the moss off in whatever amount you want. I don't think it matters what species it is.