Updated: July 11, 2023

When it comes to growing soursop plants, proper watering is essential for their health and productivity. Soursop, also known as graviola or guanabana, is a tropical fruit tree that requires a consistent and adequate water supply to thrive. In this article, we will explore how much water soursop plants need and discuss some watering tips to ensure their optimal growth.

Understanding the Watering Needs of Soursop Plants

Soursop plants are native to tropical regions and have adapted to a consistent supply of water. These plants prefer a moist environment but are also susceptible to root rot if overwatered. Finding the right balance is crucial for their well-being.

Watering Frequency

The frequency of watering your soursop plant will depend on various factors such as climate, soil type, and plant size. Generally, soursop plants need to be watered regularly, especially during the summer months when evaporation rates are high.

For established soursop trees, watering once or twice a week during dry periods should be sufficient. However, it’s important to assess the soil moisture level before watering again. Stick your finger about an inch into the soil near the plant’s root zone. If it feels dry at this depth, it’s time to water. If it’s still moist, you can delay watering for a couple of days.

Watering Amount

The amount of water your soursop plant needs will depend on its age and size. Younger plants require less water compared to mature ones. As a general guideline, provide about 1-2 inches of water per week for small-sized soursop trees.

To ensure deep root penetration and prevent shallow rooting, it’s recommended to provide a thorough soaking instead of light frequent sprinkling. This encourages the roots to grow deeper into the soil in search of moisture, making the plant more resilient during dry spells.

Rainfall Considerations

If you live in an area with regular rainfall, you might not need to water your soursop plants as frequently. However, it’s important to monitor the rainfall levels and adjust your watering accordingly. During periods of heavy rain, it’s best to reduce or even skip watering to avoid waterlogged soil.

On the other hand, if you experience extended periods of drought or low rainfall, you may need to supplement with additional watering. Keep in mind that soursop plants can tolerate short periods of dryness, but prolonged drought can negatively impact their growth and fruit production.

Watering Tips for Soursop Plants

To ensure your soursop plants receive the right amount of water, here are some tips to keep in mind:

1. Mulching

Applying a layer of organic mulch around the base of your soursop tree can help retain moisture in the soil and prevent weed growth. Mulch also acts as an insulator, regulating soil temperature and reducing evaporation rates. Use materials like wood chips, straw, or compost and spread them around the tree’s drip line, leaving a gap around the trunk to prevent rot.

2. Watering Techniques

When watering your soursop plants, it’s important to direct the water towards the root zone rather than wetting the foliage or trunk. Use a soaker hose or drip irrigation system to deliver water slowly and directly to the soil. This minimizes water loss due to evaporation and ensures that the roots receive an adequate water supply.

Avoid using sprinklers or overhead watering methods as they can promote fungal diseases and waste water through evaporation.

3. Watering Time

Watering your soursop plants early in the morning is ideal as it allows time for the foliage to dry before evening. Wet foliage during cooler nighttime temperatures can create a favorable environment for fungal diseases to thrive. Watering in the morning also ensures maximum water uptake by the plant during the day when photosynthesis and transpiration rates are higher.

4. Monitor Soil Moisture

Regularly check the soil moisture level around your soursop plant to ensure it’s neither too wet nor too dry. Use a moisture meter or simply stick your finger into the soil as mentioned earlier. Adjust your watering schedule accordingly to maintain optimal soil moisture levels.

5. Consider Container Planting

If you are growing soursop plants in containers, their watering needs may differ slightly compared to those planted in the ground. Container plants tend to dry out faster, so you may need to water them more frequently. However, be cautious not to overwater as excessive moisture can lead to root rot.

In conclusion, providing adequate water is essential for the healthy growth and productivity of soursop plants. Understanding their watering needs, monitoring soil moisture levels, and following proper watering techniques will help you create an optimal environment for your soursop trees to flourish. Remember to find the right balance between keeping the soil moist and avoiding overwatering to ensure the best results.