Sun Moss Clumps. Bryum caespiticium is commonly referred to as “sidewalk moss”. This moss when wet or damp becomes a brilliant emerald green. Bryum can tolerate direct sunlight, and is a clump moss that will grow to two inches or less in height. Once established it can easily survive being completely dried out.

Can Irish moss grow in the sun?

Irish and Scotch moss grow best in full sun in the Midwest with regular water and excellent drainage. They will grow in partial shade, but will not be as compact here; in more southern areas they may need some afternoon shade.

Can you grow moss in hot weather?

Moss – Incredibly Resilient Moss can tolerate extremes in temperature and moisture levels. Even during periods with severe cold, moss, unlike grass, remains a dark green color. Excessive heat or lack of rainfall, also have no permanent effect.