Growth Technology clear plastic pots are ideal for epiphytic orchids such as Phalaenopsis (the most popular species) which benefit from light getting to their root systems. These pots promote healthy roots by allowing filtered light into the root ball, simulating natural growing conditions. This is evident when wet orchid roots have a green appearance - a sign of chlorophyll presence for photosynthesis. Transparent pots also help new orchid enthusiasts to see when to water. saucers are available on our listings. Clear pots are available in 9cm, 12cm, 13cm, 15cm, 17cm, 19cm, or 21cm sizes.