You are doing it all wrong. Here's the right way to trim annuals

Annual plants undergo a remarkable journey within a single growing season, progressing from seed germination to their ultimate demise. Although some gardeners may find the annual cycle of planting and replanting each spring a bit demanding, there are numerous advantages to incorporating annuals into your landscape. These include a wider spectrum of vibrant colors, cost-effectiveness compared to perennial plants, the convenience of not having to divide plants over time, and the ability to easily swap them out for different varieties.
Despite their relatively short life spans, annuals can maintain a consistent display of beautiful blossoms throughout much of their existence if properly tended to. Here are some detailed tips to help you achieve this:
Deadhead Spent Flowers:
Removing fading or spent flowers serves a critical purpose. Plants invest energy in producing blooms, and when these flowers start to decline, the plant shifts its focus to seed production. By consistently deadheading, you redirect the plant's energy towards generating new blossoms instead of seeds, resulting in a prolonged and more abundant flowering period.
Pinch Back Leggy Plants:
When annual plants grow excessively tall and thin, it is primarily due to a phenomenon known as etiolation. This happens when the plant stretches for light. By pinching back the top portions of leggy plants, you encourage them to allocate resources towards lateral growth. This lateral growth creates a denser, more attractive appearance and ensures that the plant remains sturdy and less prone to toppling over.
Trim Lateral Buds off Stems:
In cases where you desire a single, large flower on a stem, it's crucial to remove lateral buds. These buds compete for nutrients and can result in smaller, less impressive blooms. By eliminating these lateral buds, you concentrate the plant's resources on nurturing one dominant flower, leading to a more striking and substantial blossom.
Remove Terminal Buds:
Removing the terminal bud, which is the bud at the very tip of a stem, has a fascinating effect. When the terminal bud is taken off, the plant responds by channeling energy into the growth of lateral buds below it. This creates multiple smaller buds along the stem, ultimately producing a profusion of blooms, adding vibrant color and visual interest to your garden.
Discard Diseased Tissue:
Plant diseases and fungal issues can spread rapidly if not addressed promptly. Removing infected or diseased tissue is vital to prevent the ailment from spreading to healthy parts of the plant or to neighboring plants. This practice not only safeguards the affected plant but also helps maintain the overall health of your garden.
Use Clean, Sharp Equipment:
Clean, well-maintained gardening tools are essential for two critical reasons. First, clean tools prevent the inadvertent transfer of diseases from one plant to another. Pathogens can cling to dirty equipment, and using contaminated tools can inadvertently spread diseases throughout your garden. Second, sharp tools make clean, precise cuts during pruning. This minimizes damage to plant tissue, reduces stress on the plant, and accelerates the healing process, ultimately leading to healthier and more vigorous growth.