Monrovia Mount Everest Chalksticks

While this plant is primarily marketed for outdoor landscapes, it can thrive indoors if you have a very sunny, south-facing window. It requires significant direct sunlight to maintain its structural form and vibrant blue-gray color, so it may struggle in lower-light indoor environments.

This plant is exceptionally drought-tolerant. You should allow the soil to dry out completely between waterings, especially in the winter months. Overwatering is the most common cause of issues, so err on the side of keeping it too dry rather than too wet.

No, the Mount Everest Big Blue Chalksticks is suited for hardiness zone 10 and is not frost-tolerant. If you live in a climate with freezing temperatures, you will need to bring the plant indoors or protect it thoroughly during the winter.

The powdery, waxy coating—known as farina—is what gives the plant its signature blue-gray hue. While this coating is permanent, it can be rubbed off if handled frequently, so it is best to place the plant where it won't be brushed against by pets or people.

At maturity, this plant reaches up to 5 feet in height and 2 feet in width. Because of its upright, architectural habit, it works well as a vertical focal point in a container or a rock garden, but ensure you provide enough clearance for its height.