Glossary of gardening terms - O:

Offset
A young plantlet which appears on a mature plant. An offset can generally be detached and used for propagation.

Organic
a fertilizer that is derived from animal or vegetable matter

Organic Gardening
Organic gardening is gardening without the use of man-made chemical pesticides or chemical fertilizers. It is said by some of its supporters to be more in harmony with nature. Organic gardeners emphasise the importance of "feeding the soil, not the plant".