- Offset
- A young plantlet which appears on a mature plant. An offset can generally be detached and used for propagation.
- Organic
- A chemical or fertilizer which is obtained from a source which is or has been alive. Also the general term used for a type of gardening using no chemical or synthetic fertilizers or pesticides.
- Organic fertilizers
- Natural materials, such as manure, compost, bone meal, and blood meal, that nourish plants slowly as the material decays.
- Ovary
- The part of a flower containing the ovules that will develop into seeds upon fertilization.
- Overpotting
- Repotting a plant into a pot which is too large to allow successful establishment.
