What makes an orchid flower spike change color? Find out why your orchid spike may be yellow, brown, red, pink, purple or black. #Orchid #OrchidCare #OrchidSpike #IndoorGardening #HouseplantWhat makes an orchid flower spike change color? Find out why your orchid spike may be yellow, brown, red, pink, purple or black. #Orchid #OrchidCare #OrchidSpike #IndoorGardening #HouseplantWhat makes an orchid flower spike change color? Find out why your orchid spike may be yellow, brown, red, pink, purple or black. #Orchid #OrchidCare #OrchidSpike #IndoorGardening #Houseplant