Updated: June 11, 2023

Exacum, also known as Persian violet, is a beautiful plant that is native to Madagascar. It is a popular houseplant that is loved for its clusters of delicate, blue or purple flowers that bloom continuously throughout the year. However, like most houseplants, watering Exacum can be a bit tricky. In this article, we will discuss how much water Exacum plant needs to thrive.

Factors That Affect Exacum Watering Needs

Before we dive into the specifics of how much water Exacum needs, it’s important to understand the factors that affect its watering needs. These factors include:

  • Soil type: Exacum plants prefer well-draining soil that can hold moisture without becoming waterlogged.
  • Pot size: The size of the pot affects how much water the plant needs. Smaller pots dry out more quickly and may require more frequent watering.
  • Humidity: Exacum plants thrive in high humidity environments. If the humidity in your home is low, you may need to water your plant more frequently.
  • Light exposure: The amount of light your plant receives also affects how much water it needs. Plants in brighter light may require more frequent watering.

How Often Should You Water Exacum Plant?

Exacum plants prefer consistently moist soil but do not like to sit in standing water. As a general rule, you should water your Exacum plant once per week. However, this can vary depending on the factors mentioned above.

To determine if your plant needs watering, stick your finger about an inch into the soil. If it feels dry, it’s time to water. If it feels moist, wait a few days before checking again.

How Much Water Does Exacum Plant Need?

When it comes to watering Exacum plants, less is often more. Overwatering can lead to root rot and other problems. As a general rule, you should water your Exacum plant until water starts to drain out of the bottom of the pot.

The amount of water your plant needs will vary depending on the size of the pot and the humidity in your home. As a general guideline, a 6-inch pot needs about 1 cup of water, while a 10-inch pot needs about 2 cups of water.

Tips for Watering Exacum Plant

  • Always use room temperature water when watering your Exacum plant.
  • Water your plant in the morning or early afternoon to allow excess moisture to evaporate before nightfall.
  • Avoid getting water on the leaves, as this can lead to fungal diseases.
  • Use a well-draining potting mix to prevent waterlogging.
  • If you’re unsure whether your plant needs watering, wait a few days and check again.

FAQ

How often should I fertilize my Exacum plant?

Exacum plants benefit from monthly fertilization during the growing season (spring and summer). Use a balanced fertilizer (10-10-10) and follow the instructions on the package.

What should I do if my Exacum plant’s leaves start to yellow?

Yellowing leaves can be a sign of overwatering or underwatering. Check the soil moisture level and adjust your watering schedule accordingly. If the soil is consistently moist, try repotting your plant with fresh soil.

Can I propagate my Exacum plant?

Yes, Exacum plants can be propagated by stem cuttings. Take a cutting that is 2-3 inches long and remove the lower leaves. Dip the cut end in rooting hormone and place it in moist potting mix. Keep the soil moist and in bright, indirect light until roots develop.

In conclusion, watering Exacum plant is not complicated, but it requires a bit of attention and care. By following the guidelines in this article, you can ensure that your Exacum plant thrives and continues to provide you with beautiful blooms year-round.

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