Are you looking for a unique and low-maintenance addition to your garden? Consider growing a cactus! There are many different types of cactus that can be grown in gardens, making them a great option for anyone looking for something different. Cacti are also very drought-tolerant, meaning they don't require a lot of water to thrive. If you're not sure which type of cactus to choose, here is a guide to some of the most popular types.