The Costa Rica psilocybe cubensis is not the easiest strain, but when your treat the Costa Rica right the mycelium will fruit huge flushes of medium sized mushrooms. Second flushes are often with bigger Costa Rican mushrooms.
The Costa Rica cubensis can resemble the famous Psilocybe semilanceata and Psilocybe Mexicana mushrooms in form and potency.
Just give the CR lots of air and a 99% humidity and it will flourish. With the Costa Rica spores you have a real gem!
Use for microscopic research only