Thai Sun Hot Pepper -10 Seeds, Capsicum Annuum - Very Rare, Super Hot! 90 days. Capsicum annuum. Plant produces heavy yields of " long by " wide hot peppers. Peppers are very hot, grow upright (facing the sun), and turn from light green to red when mature. Plant has green stems, green leaves, and white flowers. Excellent for indoor plant. A variety from Thailand. Peppers can be grown all year long in containers. It is suitable for apartment dwellers and gardeners who live in cool regions where the number of growing days are limited. Many pepper enthusiast grow peppers in pots so they can have fresh peppers all year long. Its best to use 5 gallon containers so the roots do not get too over-crowded!