Let the cactus drain for a few hours, then put it back in its pot.
Thanksgiving cactus underwatered. To revive an underwatered cactus, start by giving it a good soaking. Ensure that water reaches the entire root system. The spring and summer months can be dry and mildly underwatered for the holiday cacti.
Web $40 at williams sonoma envy magnesium sulfate plant food $14 at amazon tristar plants thanksgiving cactus now 33% off $30 at tristarplants.com how to care for a thanksgiving cactus. 'thanksgiving cacti thrive in bright, indirect light,' notes autumn. When watering, make sure to water the soil until it is saturated and then allow the excess water to run out of the bottom of the pot.
Be sure to keep the top few inches of soil moist to the touch—not dry or waterlogged. An underwatered cactus will start turning brown on the stems and leaves and may feel soft to the touch. They do not tolerate heavy soils and require good aeration, which can be achieved by incorporating up to 40% perlite into a potting mix.
In the morning, cacti require approximately 6 hours of indirect sunlight per day. Web so, what happens when the cactus is underwatered? Web water unlike true cacti, which can survive weeks without water, a thanksgiving cactus needs to be on a routine watering schedule.
Using sterile scissors, pruners, or a sharp knife, cut off a section of thanksgiving cactus stem that has at least three segments. Both plants require less than 12 hours of light per day and temperatures less than 68 degrees to bloom. Web christmas cacti are commonly mistaken for thanksgiving cacti, making the confusion even worse.
Average household temperatures are usually adequate for thanksgiving cacti. Web underwatering a christmas cactus can lead to stunted growth, flower buds falling off, and even death of the plant. Give the plant a thorough watering until the soil is evenly moist.