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How Tall Can Your African Milk Plant Grow:
Factors that Affect Height

Updated: February 23, 2023

African milk plant, also known as Euphorbia trigona, is a popular houseplant that can grow up to 6 feet tall. However, the height of your African milk plant depends on several factors such as light, water, temperature, and soil. In this article, we will discuss each of these factors in detail.

Light

Light is one of the most important factors that affect the height of your African milk plant. These plants love bright, indirect sunlight and can tolerate some direct sunlight. However, if you expose them to too much direct sunlight, the leaves can burn and turn brown.

If your African milk plant is not getting enough light, it may become leggy and tall as it tries to reach for more light. On the other hand, if it gets too much light, it may become stunted and small.

To ensure your African milk plant grows to its full potential, place it near a bright window that receives indirect sunlight for at least 6 hours a day.

Water

Water is another crucial factor that affects the growth of your African milk plant. These plants are native to arid regions and can tolerate drought conditions. However, they still need adequate water to grow healthy and tall.

Overwatering can lead to root rot and stunted growth while underwatering can cause the leaves to wilt and fall off. To maintain optimal soil moisture levels, water your African milk plant when the top inch of soil feels dry to the touch.

Temperature

The ideal temperature range for African milk plants is between 60-85°F (16-29°C). They can tolerate slightly cooler temperatures but do not like cold drafts or temperatures below 50°F (10°C).

If your African milk plant is exposed to temperatures above 85°F (29°C), it may become stressed and stop growing. Therefore, it’s essential to keep your plant in a room with consistent temperatures that are not too hot or too cold.

Soil

The type of soil you use can also affect the growth of your African milk plant. These plants prefer well-draining soil with a pH range of 6.0-7.5.

Using heavy or compact soil can lead to poor drainage and root rot while using soil with high acidity levels can cause nutrient deficiencies and stunted growth.

To ensure optimal growth, use a well-draining potting mix made for cacti and succulents or create your own by mixing sand or perlite with regular potting soil.

Fertilizer

Fertilizing your African milk plant can also help promote healthy growth. Use a balanced fertilizer with an N-P-K ratio of 10-10-10 or 20-20-20 during the growing season (spring and summer).

Avoid over-fertilizing as this can lead to salt build-up and damage the roots. Follow the instructions on the fertilizer package or use a diluted solution every two weeks during the growing season.

Conclusion

By providing adequate light, water, temperature, soil, and fertilizer, you can ensure your African milk plant grows healthy and tall. Remember to be patient as these plants grow slowly but will reward you with their stunning appearance once they reach their full potential.

FAQ

Q: My African milk plant has grown very tall. Can I prune it?

A: Yes, you can prune your African milk plant if it has become too tall or leggy. Use clean pruning shears to cut back the stem to just above a leaf node or branching point.

Q: Why are my African milk plant’s leaves turning yellow?

A: Yellowing leaves on an African milk plant can be caused by overwatering or poor drainage. Make sure your plant is not sitting in standing water and reduce watering frequency until the top inch of soil feels dry.

Q: Can I propagate my African milk plant?

A: Yes, you can propagate your African milk plant by taking stem cuttings in spring or early summer. Allow the cuttings to dry for a few days before planting them in well-draining potting mix. Keep them in a bright location with indirect sunlight until they root and start growing.

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