These plants mostly come from dry, arid regions, and are able to survive periods of drought by storing water in their fleshy leaves or stems. They usually like warm sunny conditions when in growth, with low atmospheric humidity, so most are grown indoors in the UK. Some, such as epiphytic cacti come from rainforests and like partial shade, regular watering and higher humidity, so need to be treated more like a general houseplant than a cactus.

Most cacti and succulents are grown as houseplants, thriving on sunny windowsills. They are ideal if you want small, easy-care, fascinating and even quirky plants to enjoy in your home. 

Some hardier or half-hardy types can be grown outdoors in sunny, sheltered spots, creating an exotic or Mediterranean look. They are drought tolerant, so perfect in dry summers or low-rainfall areas, and are best grown in containers. Most need additional protection over winter, or can be grown as temporary summer bedding. Check plant labels carefully for growing instructions.

Cacti and succulents can differ hugely in appearance, from big and bold to small and intricate, tall or rounded, spiky, furry or glossy. Many are grey-green, but colours can range through all shades of green to yellows, dark purples and reds. They can be displayed singly, especially larger specimens, or grouped together in a small collection of contrasting or similar types. Another popular way of displaying small succulents indoors is in an open terrarium. 

Cacti and succulents are widely available in the houseplants section of garden centres, DIY stores and even large supermarkets, as well as from many online suppliers and specialist nurseries. Plants are often small and cheap, sold either singly or in small collections.

  Hardier succulents are usually sold wi garden centres and from online suppliers.