As the name states, annual plants live up to a year depending on the types of flowers and plants, along with the climate they grow in.
Some can live longer, even a few years in warmer areas. Colder, winter climates the plant dies and must be replanted.
Annuals reproduce by seed and sometimes, although rarely, by root. One flower can produce up to 60,000 seed per square yard yearly. The majority of seeds being found in the top 2 inches of soil.
The flower structure has the same basic characteristics as a perennial plant:
Not only are annuals a great source of food for pollinators but they bring long-season color to your butterfly garden. This is where the gardener can get creative year after year and change flower types around, which is recommended.
They should also be rotated yearly. Unfortunatily many gardeners plant the same annual flower types in the same location for years. Just as crop farmers must rotate crops when planting, so must gardeners do the same with annuals, otherwise disease or quality of plants begin to take place. Also keep in mind that annuals self-seed to.
Annual plants require more fertilizer during growing season and although more expensive, slow release fertilizers are recommended to be the best.
Once growing season arrives most annuals require full sun at least 4-6 hours daily. Some annuals can bloom for 6 months or more, most bloom for a few weeks. To extend the flowers life keep removing spent buds. It's best to do so before seed forms.
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