Watering
During the growth season between spring and early summer, wait until the surface of the soil is dry and water throughly, as usual.
Habranthus is called rain lily also, because in the Mid/South America as their origin, they have flowers after the rainfall during the summer rainy season. So, try to make the similar environment.
As hot it gets in summer, water them more frequently to keep the soil moist. Then, stems may suddenly grow and bloom right away.
However. these flowers fade in just a few days. So, stop watering at once and let the soil dry out.
Then, start watering again to encourage the second flowering cycle.
Repeat this process until they do not have flowers anymore.
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