Date: Around 1999
I live in Lake Tahoe (6200 ft above sea level) and my
house is surrounded by boulders with beautiful crustaceous lichen in the
colors of orange, pale green, dark green, black and tan.
I want to encourage their growth and even try to get them to grow on some
boulders that are barren.
I have heard of watering, buttermilk and non-organic/organic fertilizers.
Which would propagate this beautiful phenomenon most rapidly?
The following link mentions cultivating lichens
Anthony R. Brach, Ph.D.
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Update: June 2012