Pinching out Edit History Talk0 712pages on this wiki Pinching out refers to the removal of the growing tips of young plants such as fuchsias. It stimulates the growth of more sideshoots, which in turn encourages the plants to produce more flowers and/or fruit.[1] SynonymsEdit Stopping ReferencesEdit ↑ Pinching Out. BBC. Retrieved: 2010-09-11. Read more Tomato cultivars are commonly classified as determinate or indeterminate and may sometimes be... Indeterminate Alternate A Whorl is a type of spiral or circular pattern. In botany a whorl refers to a spiral of sepals... Whorl Categories: Glossary Add category Cancel Save