Updated: July 11, 2023

Trailing ice plant (Delosperma spp.) is a popular choice for many gardeners due to its vibrant flowers, low-maintenance nature, and ability to thrive in various conditions. However, one question that often arises is how much water this plant requires.

Watering is a crucial aspect of plant care, as it provides the necessary hydration for growth and overall health. But finding the right balance can be challenging, as overwatering or underwatering can both have adverse effects on trailing ice plants. In this article, we will explore the watering needs of trailing ice plants and provide some tips to help you ensure optimal growth.

Understanding the Water Requirements

Trailing ice plants are native to arid regions, such as South Africa, where water availability is limited. As a result, these plants have adapted to survive in dry conditions by storing water in their fleshy leaves and stems. This natural adaptation makes them drought-tolerant and capable of thriving in sandy or rocky soils with minimal water.

However, it is important to note that even though trailing ice plants are drought-resistant, they still require regular watering, especially during their active growing season. Proper watering ensures healthy growth, prevents wilting, and promotes abundant flower production.

Watering Frequency

The frequency of watering your trailing ice plant depends on several factors, such as climate, soil type, and the maturity of the plant. In general, established plants require less frequent watering compared to newly planted or young plants.

During the spring and summer months when the plant is actively growing, it is recommended to water your trailing ice plant once every 7-10 days. This frequency allows enough time for the soil to dry out between waterings while still providing adequate moisture for the plant’s needs.

However, it is important to adjust the watering schedule based on your specific climate and weather conditions. If you live in an area with high temperatures or dry winds, you may need to water more frequently to prevent the plant from drying out.

Watering Techniques

Proper watering techniques are essential to ensure the water reaches the plant’s roots and is absorbed efficiently. Here are some tips to help you water your trailing ice plant effectively:

Deep Watering:

When watering your trailing ice plant, it is crucial to provide enough water to penetrate deep into the soil. Shallow watering can encourage shallow root growth, making the plant more susceptible to drought stress. To achieve deep watering, apply water slowly and evenly around the base of the plant until the soil feels moist several inches below the surface.

Watering in the Morning:

Watering your trailing ice plant early in the morning allows the foliage and soil to dry out during the day, reducing the risk of fungal diseases. Avoid watering in the evening or at night as this can create a damp environment that promotes disease development.

Mulching:

Applying a layer of organic mulch around your trailing ice plant can help retain soil moisture, regulate soil temperature, and suppress weed growth. Mulching also reduces evaporation and minimizes water loss, allowing you to water less frequently. Use materials such as wood chips, straw, or compost and spread it around the base of the plant, leaving space around the stem to prevent rot.

Signs of Overwatering and Underwatering

It is essential to monitor your trailing ice plant for signs of overwatering or underwatering to ensure its health. Here are some common signs to look out for:

Overwatering:

  • Wilting despite moist soil
  • Yellowing or browning leaves
  • Root rot or fungal diseases
  • Algae growth on the soil surface

If you notice any of these signs, reduce the frequency of watering and allow the soil to dry out before watering again.

Underwatering:

  • Wilting even when the soil is dry
  • Dry and crispy leaves
  • Stunted growth
  • Flower drop

If you observe any of these signs, increase the frequency of watering and ensure the plant receives adequate moisture.

Considerations for Container-Grown Plants

If you are growing trailing ice plants in containers, their watering needs may differ slightly from those planted in the ground. Container-grown plants tend to dry out more quickly due to the limited soil volume. Therefore, you may need to water them more frequently, especially during hot and dry periods.

When watering container plants, make sure to water until it drains out from the bottom. This ensures that the entire root ball gets thoroughly moistened. Additionally, check the moisture level of the soil regularly by inserting your finger into the soil up to your knuckle. If it feels dry at that depth, it’s time to water.

Conclusion

Trailing ice plants are relatively low-maintenance plants with moderate watering needs. By understanding their water requirements and implementing proper watering techniques, you can ensure healthy growth and vibrant blooms. Remember to adjust the watering frequency based on climate conditions and observe your plant for any signs of overwatering or underwatering. With a little care and attention, your trailing ice plant will thrive and enhance the beauty of your garden.