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How Tall Does a Cassia Popcorn Plant Grow

Updated: May 7, 2022

Cassia popcorn plant, also known as cassia tora or sickle senna, is a tropical plant native to India and widely grown in Asian countries. It has been used for centuries in Ayurvedic medicine for its medicinal properties. In recent years, it has gained popularity in the western world as an ornamental plant and as a source of natural products. One of the most common questions about cassia popcorn plant is how tall it can grow. In this article, we will explore the growth habits of cassia popcorn plants and provide some tips on how to care for them.

Growth Habits of Cassia Popcorn Plants

Cassia popcorn plants are herbaceous annuals that belong to the legume family. They are fast-growing plants that can reach up to 3 feet in height in a single growing season. The plant produces attractive yellow flowers that bloom in late summer and fall. The leaves of the cassia popcorn plant are pinnate, with each leaf consisting of several pairs of leaflets.

One interesting feature of cassia popcorn plants is their ability to fix nitrogen in the soil. This means that they can take nitrogen from the air and convert it into a form that other plants can use. This makes them an excellent companion plant for other crops, especially those that require high levels of nitrogen.

Growing Cassia Popcorn Plants

Cassia popcorn plants are easy to grow and require minimal care. They prefer full sun and well-drained soil. They can tolerate drought and poor soil conditions but perform best in fertile, loamy soil.

To grow cassia popcorn plants, start by planting seeds directly in the garden after the last frost date. Make sure to space the seeds 6 inches apart and cover them with a thin layer of soil. Water regularly but avoid overwatering, as this can cause root rot.

Once the plants have reached a height of 6 inches, you can begin fertilizing them with a balanced fertilizer every two weeks. Pinch off the tips of the plants to encourage branching and bushier growth. As the plants grow taller, you may need to provide support, such as staking or caging, to prevent them from toppling over.

Harvesting Cassia Popcorn Plants

Cassia popcorn plants are typically harvested for their seeds, which are used in a variety of applications. The seeds are small, flat, and brown in color, with a characteristic popcorn-like shape. To harvest the seeds, wait until the pods have turned brown and dried out on the plant. Then, remove the pods from the plant and break them open to collect the seeds.


Can cassia popcorn plants be grown indoors?

Yes, cassia popcorn plants can be grown indoors as long as they receive plenty of sunlight and are planted in well-draining soil.

Are cassia popcorn plants invasive?

No, cassia popcorn plants are not considered invasive in most areas. However, they can self-seed and spread if left unchecked.

Are cassia popcorn plants toxic?

No, cassia popcorn plants are not toxic to humans or animals. However, the seeds contain saponins, which can cause gastrointestinal upset if ingested in large quantities.

Can cassia popcorn plants be used for medicinal purposes?

Yes, cassia popcorn plants have been used for centuries in Ayurvedic medicine for their laxative and detoxifying properties. However, it is important to consult with a healthcare provider before using any herbal remedies.

In conclusion, cassia popcorn plant is an easy-to-grow tropical plant that can reach up to 3 feet in height. It is prized for its attractive yellow flowers and nitrogen-fixing abilities. With proper care, it can be grown in the garden or indoors and harvested for its seeds. If you have any further questions about growing cassia popcorn plants, consult with your local garden center or horticultural society.

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