Jamaican Pearl is a 60/40 Sativa dominant hybrid consists of a Early Pearl (Male) and Marley’s Collie. Jamaican Pearl has tropical origins and is well suited for outdoor growth in cooler climates but can do just as well indoors. Patients report a sweet smell and taste accompanied by a nice uplifting cerebral effect. The flowering time for Jamaican Pearl strain isabout 8-10.5weeks with a high yield when grown properly. Seeds for this strain can be found at Sensi Seeds. Growing Jamaican Pearl Marijuana Has Medical Benefits.