Gloxinia perennis ( Gloxinia )
G. perennis is a bushy rhizomatous perennial with egg mold mid - unripened leaves to 8 inches long with single lavender blue flowers in early summer . Gloxinia want a minimum night temperture of 60 F , the tuber are planted in March and bloom in the summertime . tubelike or bell or funnel shaped flowers bloom individually or in dyad on vertical stems 2 to 4 feet marvelous ....