However their leaves must not touch the edge of the glass as they can trap moisture and develop mould.
African violets thrive in free-draining compost, bright but indirect light and high humidity, making them an excellent choice for a closed terrarium. However their leaves must not touch the edge of the glass as they can trap moisture and develop mould. Therefore, for best results, make sure you have plenty of room in your terrarium for the African violet to grow, and consider planting it in the middle of the display, with other plants around it, to minimise the chances of its leaves growing into the glass.