Glossary of gardening terms - C:

Conifer
Leaves are narrow and needlelike and produce seeds in a conelike structure.

Conservatory
A greenhouse for growing and cultivating plants.

Corm
A corm differs from a bulb in that the food is stored in the solid centre tissue.

Crown
Portion of a plant at the juncture of the root and stem or trunk. It is sensitive to rotting if kept too moist.

Cultivate
To break up the surface of the soil around plants, removing weeds as you go. The roughened surface retains water and allows the air to circulate.

Cuttings
Portions of the stem or root that can be induced to form roots and develop into new plants.