These are annual flowering plants which is suitable for edge planting as well as for bedding. The plant grow to a height of 15 - 30 cm. Seeds are used for propagation. It requires cool climate for germination, growth and flowering. The seeds are to be sown shallow for better germination.
The soil pH of 5.5 to 7 is ideal for the growth. Well drained organic matter rich soil/ potting medium is good for the plant. The planting medium should be kept moist but avoid too much watering. If planted directly to soil spacing of 15 cm can be given between plants. The faded flower heads need to be removed for producing more flowers. Blue, violet, red, orange yellow, purple, white, pink colored flower varieties are there.