Updated: July 23, 2023

The Iron Cross plant, scientifically known as Oxalis tetraphylla, is a unique and eye-catching addition to any garden or indoor collection. With its distinct four-leaf clover-like pattern, this plant is highly sought after by both novice and experienced gardeners alike. One common question that arises when considering adding the Iron Cross plant to one’s collection is how quickly it grows. In this article, we will explore the growth rate of the Iron Cross plant and provide some tips on how to encourage its growth.

Understanding the Iron Cross Plant

Before delving into the growth rate of the Iron Cross plant, it is important to understand its characteristics and requirements. This plant belongs to the Oxalidaceae family and is native to South Africa. It is a bulbous perennial herb that grows from small underground bulbs known as corms.

The most distinctive feature of the Iron Cross plant is its foliage. Each leaf consists of four leaflets, arranged in a cross-like pattern, hence the name “Iron Cross.” The leaflets are typically green with purple markings, giving the plant a striking appearance.

In terms of care, the Iron Cross plant prefers well-draining soil and partial shade. It thrives in moderate temperatures ranging from 60 to 75 degrees Fahrenheit (15 to 24 degrees Celsius). Overwatering can be detrimental to its growth, so it is essential to allow the soil to dry out between watering sessions.

Growth Rate of the Iron Cross Plant

The growth rate of the Iron Cross plant can vary depending on various factors such as environmental conditions, care practices, and overall health of the plant. On average, this plant takes approximately 3-4 weeks to sprout from its corms after planting.

Once established, the Iron Cross plant tends to grow relatively fast. Under optimal conditions, it can produce new leaves every few days. The rate of growth may slow down during winter months or when the plant is dormant.

It is worth noting that the Iron Cross plant has a tendency to go through periods of dormancy. During this time, the foliage may die back, and the plant might appear lifeless. However, with proper care and patience, it will regrow once the dormancy period ends.

Tips to Encourage Growth

If you wish to encourage faster growth in your Iron Cross plant, here are some tips to consider:

1. Provide Adequate Light

Although the Iron Cross plant prefers partial shade, it still requires a sufficient amount of light to thrive. Place it in an area where it receives bright, indirect sunlight for a few hours each day. Avoid exposing it to direct sunlight for prolonged periods as this can scorch its delicate foliage.

2. Maintain Optimal Temperature

Keeping the temperature within the recommended range of 60 to 75 degrees Fahrenheit (15 to 24 degrees Celsius) will promote healthy growth in the Iron Cross plant. Avoid exposing it to extreme temperatures or drafts, as this can hinder its growth.

3. Water Wisely

Overwatering is one of the most common mistakes made when caring for the Iron Cross plant. Allow the soil to dry out between watering sessions, and ensure that the pot or container has proper drainage to prevent waterlogging. During its dormant period, reduce watering to prevent rotting of the corms.

4. Fertilize Occasionally

While the Iron Cross plant does not require frequent fertilization, occasional feeding can help promote growth. Use a balanced, water-soluble fertilizer diluted to half-strength once every month during the growing season.

5. Prune with Care

Pruning is not necessary for the Iron Cross plant; however, removing any dead or yellowing leaves can improve its overall appearance and health. Use clean and sharp gardening shears to avoid damaging the plant.

Conclusion

The Iron Cross plant is a fascinating addition to any plant collection, thanks to its unique four-leaf clover-like foliage. While its growth rate can vary depending on various factors, this plant generally grows relatively fast once established. By providing adequate light, maintaining optimal temperature and watering wisely, you can encourage healthy growth in your Iron Cross plant. Remember to be patient during its dormant periods and enjoy watching this beautiful plant flourish in your garden or indoor space.