Holiday cacti are not hard to take care of, if you remember not to overwater them; getting them to bloom on time is a bit more complex.
Here’s how to do it:
In order for these plants to form flower buds for holiday blooms, they need extended darkness for at least four weeks.
Place the plant in a dark room or keep it covered (under a box or bag works fine) for at least 12 hours a day.
When buds appear (it usually takes around four weeks), the darkening schedule can stop.
As the buds get larger, move the plant gradually to where it will be displayed for the holiday, avoiding extreme temperature or lighting changes.
Continue to water and feed while the plant is budding and blooming. Water only when the soil is completely dry-these plants do not like soggy roots.