Updated: February 18, 2023

Firesticks plant, also known as pencil cactus or Euphorbia tirucalli, is a succulent that belongs to the Euphorbia family. It is native to Africa and India but has become popular in many parts of the world as a houseplant due to its unique appearance and ease of care. One of the most common questions people ask about this plant is how tall it can grow. In this article, we will explore the growth habits of Firesticks plant and answer some frequently asked questions.

Growth Habit of Firesticks Plant

Firesticks plant has a unique growth habit that distinguishes it from other succulents. It grows upright and can reach heights of up to 10 feet or more when grown outdoors in its natural habitat. However, when grown indoors as a houseplant, it usually grows to a height of 3-6 feet.

The stems of Firesticks plant are thin and cylindrical, resembling pencils hence the common name “pencil cactus.” The stems are green when young, but they turn yellow, orange, or red with age, giving the plant its characteristic fiery appearance.

Firesticks plant is a slow-growing plant that can take several years to reach its full height. It prefers bright light and warm temperatures but can tolerate some shade and cooler temperatures.

Factors Affecting the Height of Firesticks Plant

Several factors can affect how tall a Firesticks plant grows. These include:

Growing Conditions

Firesticks plant grows best in bright light and warm temperatures. When grown in low light or cool temperatures, it may not grow as tall as it should. Therefore, it is essential to place the plant in a location where it receives adequate sunlight and warmth.

Watering

Overwatering or underwatering can also affect the growth of Firesticks plant. When overwatered, it may become waterlogged and develop root rot, which can cause stunted growth or even death. On the other hand, when underwatered, it may become dehydrated and fail to grow to its full potential.

Soil

Firesticks plant prefers well-draining soil that is rich in nutrients. When grown in poor-quality soil, it may not grow as tall as it should. Therefore, it is important to use a potting mix that is specifically formulated for succulents.

How to Care for Firesticks Plant

To ensure that your Firesticks plant grows to its full potential, you need to provide it with the right care. Here are some tips on how to care for this plant:

Watering

Water your Firesticks plant sparingly. Allow the soil to dry out completely before watering again. During the winter months, reduce watering to once every two weeks or less.

Light

Firesticks plant prefers bright light but can tolerate some shade. Place it near a window where it can receive at least 6 hours of sunlight per day.

Temperature

Firesticks plant prefers warm temperatures between 60-85°F (15-29°C). It cannot tolerate frost or extreme heat.

Soil

Use a well-draining potting mix that is specifically formulated for succulents. Avoid using heavy soils that retain moisture, as these can cause root rot.

Fertilizer

Feed your Firesticks plant once a month during the growing season (spring and summer) with a balanced fertilizer. Do not fertilize during the winter months.

Frequently Asked Questions

Is Firesticks plant toxic?

Yes, Firesticks plant is toxic if ingested. It contains a milky sap that can cause skin irritation and eye irritation if it comes into contact with them.

Can Firesticks plant be propagated?

Yes, Firesticks plant can be propagated through stem cuttings. Allow the cuttings to dry out for a few days before planting them in well-draining soil.

How often should I repot my Firesticks plant?

Repot your Firesticks plant every 2-3 years, or when it outgrows its current pot.

Can Firesticks plant be grown outdoors?

Yes, Firesticks plant can be grown outdoors in USDA zones 9-11. It prefers a warm, dry climate and well-draining soil.

In conclusion, Firesticks plant is a unique and fascinating succulent that can grow up to 10 feet tall in its natural habitat. When grown indoors as a houseplant, it usually grows to a height of 3-6 feet. To ensure that your Firesticks plant grows to its full potential, provide it with the right growing conditions, including bright light, warm temperatures, and well-draining soil. Water it sparingly and fertilize it once a month during the growing season. With proper care, your Firesticks plant will thrive and become a beautiful addition to your indoor garden.