Pinching
/ˈpɪntʃɪŋ/
Definition
Pinching is a pruning technique that removes the soft growing tip of a stem, usually with fingers or small snips. Taking off the terminal bud, the bud at the shoot tip, reduces apical dominance, the tip’s control over side growth, and encourages lateral buds to break. Unlike heavier pruning, pinching targets only tender new growth rather than cutting back woody stems or removing large sections of the plant.
Practical Relevance
- Bushier branching: By removing the shoot tip, pinching reduces apical dominance, the top bud’s control over lower buds. Side buds then grow more strongly, which often produces a fuller, more compact plant.
- Flowering tradeoff: On many ornamentals, pinching delays the first flush of blooms because the plant redirects growth into new stems. The later display is often broader because more flowering shoots develop.
- Best timing: Results are strongest during active growth, when stems are soft and buds can respond quickly. It is less useful on slow-growing, stressed, or already woody stems.
- Common crop use: Pinching is widely used on bedding plants and herbs such as coleus, chrysanthemum, basil, and fuchsia to improve shape and increase branching for containers and borders.
Related Terms
Pruning
Pruning is the horticultural practice of selectively cutting off plant parts, usually stems, branches, shoots, flowers…
Topping
Topping is a pruning technique that removes the main growing tip, or apical shoot, of a plant. Cutting off this…
Terminal bud
Terminal bud refers to the bud at the very tip of a stem or shoot. It contains the shoot apical meristem, a region of…
Node
Node refers to the point on a plant stem where leaves, buds, branches, or flowers attach or can develop. It is a…
Internode
Internode refers to the section of a plant stem between two nodes, the points where leaves, buds, or branches attach…