The celery plant is made up of four parts -- the root, stem, leaves and seeds. The plant is incredibly versatile as all parts can be used. However, it is not the easiest plant to grow.
Regular garden celery has fairly shallow roots. These are what anchor the rest of the plant to the soil. They absorb the moisture and nutrients from the ground, sucking them into the plant to help it grow. Celariac, part of the celery family, is grown for its root.
The stalk is the equivalent of the stem of any other plant. This is the bottom part of the leaf structure, connecting to the roots. The actual stem part that we eat is called the petiole, which is made up of tiny pipes that run up the stem. The petiole allows water and nutrients to reach the top of the plant.
These can be found at the top of the stem. It is their job to capture sunlight to help make food, a process known as photosynthesis.
Celery is usually harvested while the stalks are crisp. This is before the celery flowers. The flowers will appear above the leaves on long stalks. By allowing the plant to flower, the plant is able to reproduce. After being pollinated, celery flowers produce seeds, which can be harvested and used to grow more celery.
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