The Q&A Archives: Gerbera Daisies

Question: I planted gerbera daisy back in August and they came up and did fine but recently the have stopped growing. I have them on a warming tray that keeps them about 75 degrees. They are in a hothouse situation. I fertilize them every two weeks with 14-32-16. What do I need to do to help them to grow?

Answer: Gerbera jamesonii, or transvaal daisy, is native to South America. As tropical plants they enjoy daytime warmth, but need a slightly lower nighttime temperature. Since you can regulate the temperature in the greenhouse, keep it about 60F at night. You can probably accomplish this by turning the thermostat down at night and then back up to about 70F during the day.

Gerbera daisies like bright light and soil with excellent drainage. Keep the old leaves picked off to promote new leaf development and allow the plants to become crowded for best bloom. You can divide overcrowded plants in February through April, repotting divisions with 2-3 buds on each.

If your plants are not thriving, they may be overcrowded, or the nighttime temperature may be too high.

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