Columnea ( Columnea )

Evergreen shrub with hairy, dark green leaves and tubular flowers that bloom from spring to fall. Grow in a warm greenhouse or as a houseplant, where they are not hardy. Plant in coarse, modera...

Conophytum ( Conophytum )

This genus consists of over 290 species of perennial succulents that are smooth and fleshy, many of which resemble stones with a crack down the middle. Native to desert and semi-arid regions o...

Coffea ( Coffee )

This tropical shrub is traditionally grown on the slopes of mountain sides in South America and Brazil, but can be grown in a container at home. Potting soil should be well drained and contain...