Ferocactus glaucescens

This cactus requires full, direct sun to maintain its signature blue-gray color and healthy growth. If kept indoors, place it in the sunniest window available, ideally one with southern exposure.

Yes, this plant is non-toxic to humans and pets. However, keep in mind that it does feature sharp, prominent spines, so it should still be placed where curious paws or hands won't accidentally brush against it.

As a drought-tolerant succulent, it has low water requirements. Allow the soil to dry out completely between waterings, and be especially careful to reduce watering frequency during the cooler winter months.

It requires well-drained soil to prevent root rot. Use a commercial cactus or succulent potting mix, or amend standard potting soil with perlite or coarse sand to improve drainage.

The Blue Barrel Cactus is suited for USDA Hardiness Zone 10. If you live in a region with freezing temperatures, you will need to bring the plant indoors or protect it during the winter, as it prefers temperatures between 70°F and 85°F.

This is a slow-growing species, which makes it an excellent choice for long-term container gardening. You won't need to worry about it quickly outgrowing its space, as it takes years to reach its mature height.