March Mart One of the oldest and largest plant sales on the Texas Gulf Coast, March Mart 2020 will represent the 45th year March Mart has been held at Mercer Botanic Gardens. Starting out as a very small plant sale in 1975, a year after Harris County purchasing the property form Charles and Thelma Mercer, with…

March Mart One of the oldest and largest plant sales on the Texas Gulf Coast, March Mart 2020 will represent the 45th year March Mart has been held at Mercer Botanic Gardens. Starting out as a very small plant sale in 1975, a year after Harris County purchasing the property form Charles and Thelma Mercer, with…