Growing Celosia Uk. The optimum temperature for celosia ranges around 64 80 f 18 25 c and to obtain abundant flowers exposure to the full sun is essential. Grow on undercover in a loam based potting compost such as john innes no 1 in a well ventilated area in full light.
The celosia plant is mildly drought tolerant so it is forgiving of occasional sporadic watering but it would prefer to be in continuously moist conditions. Many of the varieties are frost tender though some are half hardy. Plant out once all danger of frost has passed.
All ratings refer to the uk growing conditions unless otherwise stated.
Plant out once all danger of frost has passed. No matter which variety you are growing you treat the seed the same way. Grow on undercover in a loam based potting compost such as john innes no 1 in a well ventilated area in full light. Celosia loves moist soil.