Tall and upright, Pilosocereus lanuginosus has creamy flowers and abundant coppery-yellow spines. Zones 10-11
This type of prickly pear cactus has cute little pads decorated with bursts of little spines and orange flowers. It usually stays about 12 inches tall or less.
Low water needs
Wondering how much to water cacti? In general, you can water most types once every two or three weeks or so. If in doubt, it’s usually best to water too little; cacti can rot if they stay too moist.
A cactus must be cool if its botanical name contains magnifica! Balloon cactus doesn’t disappoint; this globe-shaped plant has parallel rows of spines running down its sides, giving it fun architecture. It also has yellow flowers. It may grow as much as 12 inches tall (30 cm) in time.
Lemon ladyfinger cactus offers dainty stems decorated by clusters of lemon-yellow spines. In bloom, it produces small, creamy-white flowers. It commonly grows 4 to 6 inches tall with time.
Parodia haselbergii subs. graessneri, also called Notocactus graessneri flaviflorus, is a relatively fast-growing cactus that features yellowish spines and green flowers in spring. It can grow to 6 inches tall.
Outdoors, grow cacti in containers on a sunny deck, patio, or balcony. They thrive in heat and require containers that have drainage holes.
This attractive variety of ladyfinger cactus is green but features contrasting coppery-red spines in clusters. It blooms with small white flowers in high-light spots. Copper King ladyfinger cactus usually grows about 4 to 6 inches tall.
Cactus has a reputation for being easy to grow because it doesn't need a lot of water. Learn everything you need to have beautiful cactus houseplants!