Commercial Floriculture

Climate and Growing Seasons

• China aster is normally a winter season flowering annual.
• The day temperature of 10-12^oC is favorable to develop large size flowers.
• The colour is well developed in the temperature range of 20-30^oC during day and 15-17^o C during night with relative humidity 50-60%.
• It needs sufficient sun light for both better growth and flowering.
• It needs limited rains, 500-700mm spread over from June to September, followed by provision of frequent but light irrigations.
• Heavy and torrential rains cause fungal disease like leaf spot and wilt.