Cereus forbesii

In the heat of summer, the plant needs regular watering. During winter, water just enough that the soil (mixture) doesn’t completely dry out. This cactus requires more water than the other, normal cacti. Too much shade or less watering might change the color of your plant and make it gray (sometimes even pale). Keep an eye on your plant and water it as much as it wants, but make sure not to overwater the plant.

Native to arid regions, Cereus forbesii thrives in full sun; its natural habitat is marked by strong sunlight and minimal shade. It also tolerates partial sun, giving it some adaptability in its growth.

Cereus forbesii prefers warm conditions and requires relatively high temperatures during the growing season to support growth and metabolic processes. It likes plenty of sunlight, suitable moisture levels, and good air circulation. However, it is vulnerable to damage from very low temperatures and from overwatering. It’s important to keep conditions balanced and to avoid both excessively high heat and overly dry conditions.

For Cereus forbesii, small amounts of fertilizer applied once or twice a year during the growing season are adequate. Do not fertilize in winter and summer when the plant is dormant. Cut back on fertilizer for repotted plants and wait a couple of months after repotting before resuming feeding. Fertilizing promotes healthy growth and encourages flowering.

Repot Cereus forbesii in spring or summer, choosing a pot a little larger than the current one with good drainage. Use a well-draining, sandy or gritty cactus mix. Handle the plant carefully to avoid its spines. Allow the cactus to dry out before repotting to prevent root rot. After repotting, wait one week before watering to let the roots heal.

This plant is not considered toxic to people or pets. However, in case that someone has consumed or eaten the plant and feels off, consult their doctor immediately.