They tolerate light frost but must be taken indoors for winter.

Can be grown outdoors in warmer countries, won't tolerate frost.

The plants can tolerate light frost, but are not hardy at temperatures below -10 C.

The plants can tolerate light frost and thrive in sun or semi-shade.

The species requires a well drained sunny, situation and will tolerate moderate frost.

Most species do not tolerate frost, and in temperate regions require the protection of glass.

Provided moisture levels remain high, it will tolerate frost and full sun, or shade in warmer regions.

The species can only tolerate frost on the mountains of northern Italy, but pot-grown plants cannot.

This succulent, like most of its kind, requires porous soil and can only tolerate light frost.

Established plants tolerate both dry periods and moderate frost.