1. Guillermobravo (November 3, 2011). Top 10 Fastest Growing Garden Plants. Retrieved from http://www.bambooki.com/blog/ten-fastest-growing-garden-plants-trees-seeds/
2. April Sanders (time unknown). How Does Artificial Light Affect Plant Growth. Retrieved from http://www.ehow.com/how-does_4913799_artificial-light-affect-plant-growth.html
3. Seedaholic (2013). Kailan Chinese Broccoli Kichi. Retrieved from http://www.seedaholic.com/kailan-chinese-broccoli-kichi.html
2. April Sanders (time unknown). How Does Artificial Light Affect Plant Growth. Retrieved from http://www.ehow.com/how-does_4913799_artificial-light-affect-plant-growth.html
3. Seedaholic (2013). Kailan Chinese Broccoli Kichi. Retrieved from http://www.seedaholic.com/kailan-chinese-broccoli-kichi.html