Chaco Golden Knee – Grammostola pulchripes

The Chaco golden knee is a very calm and docile tarantula, which, along with its striking appearance and large size, makes it an attractive pet, especially for beginners. … The Chaco golden knee tends to be one of the more docile and calm species of tarantula and therefore makes an attractive first pet.

Males are capable of maturing in as little as 2-3 years, but could also take as long as 4 to maybe even 7 in extreme cases. Females would take longer,  wouldn’t expect maturity before 5 or 7 years