Updated: June 28, 2023

Air plants, also known as Tillandsia, are unique and fascinating plants that don’t require soil to grow. One popular type of air plant is the Harrisii, which is known for its beautiful silver-green leaves and delicate appearance. Growing Harrisii air plants indoors can be a rewarding and easy way to add a touch of nature to your home. In this article, we will guide you on how to grow Harrisii air plants successfully indoors.

Choosing the Right Environment

Before bringing home a Harrisii air plant, it’s important to create an environment that mimics its natural habitat. These plants are native to the warm and humid climates of Central and South America. To ensure their well-being, you’ll need to replicate those conditions as closely as possible.

Lighting

One of the most crucial factors for growing Harrisii air plants indoors is providing proper lighting. These plants thrive in bright, indirect light. Place them near a window where they can receive bright but filtered sunlight throughout the day. Avoid exposing them to direct sunlight as it can scorch their leaves.

If you don’t have enough natural light indoors, you can use artificial lighting sources like fluorescent or grow lights. Position the lights about 6-12 inches above the plants and keep them on for 10-12 hours a day.

Temperature

Maintaining the right temperature is essential for the health and growth of your Harrisii air plants. They prefer temperatures between 60°F and 80°F (15°C-27°C). Avoid placing them near drafty windows or areas with extreme temperature fluctuations.

Humidity

Air plants like the Harrisii thrive in humid environments. Aim for a humidity level of around 50-60% in the room where you keep them. If your home is particularly dry, especially during winter months or in arid regions, misting the plants daily or using a humidifier can help create the necessary humidity.

Watering

Unlike traditional plants, air plants absorb water and nutrients through their leaves rather than roots. Proper watering is crucial for their survival and growth. Here are some essential guidelines to keep in mind:

Soaking

The most effective way to water Harrisii air plants is by soaking them. Fill a container with room temperature water and fully submerge the plants for around 20-30 minutes. This allows the plant to absorb the necessary moisture.

After soaking, gently shake off any excess water and place the plant upside down on a towel or in a well-ventilated area to dry. Make sure to remove any standing water from the base of the plant as it can cause rotting.

Frequency

On average, Harrisii air plants should be soaked once a week. However, the frequency may vary depending on factors such as humidity levels, temperature, and air circulation in your home. Monitor the moisture level of your plants and adjust the watering schedule accordingly.

Mist Spraying

In addition to soaking, mist spraying can be beneficial for Harrisii air plants, especially in dry environments. Use a spray bottle to mist them 2-3 times a week, ensuring that all the leaves receive a light misting. This helps provide additional hydration between soakings.

Air Circulation

Proper air circulation is critical for the overall health of your Harrisii air plants. Good airflow helps prevent stagnant moisture, which can lead to rot or fungal infections. Here are a few tips to ensure adequate air circulation:

  • Avoid overcrowding your plants in one location. Space them out so that each plant has enough room for air to circulate freely.
  • Place the plants near a fan or an open window to encourage air movement.
  • Avoid keeping your air plants in enclosed terrariums or containers without ventilation.

Fertilizing

Although air plants derive most of their nutrients from the air and water, they can benefit from occasional fertilization. Use a diluted, water-soluble fertilizer formulated specifically for air plants. Apply the fertilizer once a month during the growing season (spring and summer) and reduce or stop fertilizing during the dormant period (fall and winter).

When applying fertilizer, make sure to follow the instructions on the packaging and dilute it to avoid over-fertilization, which can damage the plant.

Troubleshooting Common Issues

Even with proper care, you may encounter some common issues while growing Harrisii air plants. Here are a few troubleshooting tips:

Browning or Dying Leaves

If you notice browning or dying leaves, it could be a sign of underwatering or excessive sunlight exposure. Adjust your watering schedule and move the plant to a location with less direct sunlight.

Rotting or Mushy Base

A rotting or mushy base is usually an indication of overwatering or insufficient air circulation. Ensure that the plants have enough time to dry between soakings and provide better ventilation.

Pests

While air plants are generally resistant to pests, they can occasionally be affected by mealybugs or aphids. If you spot any pests, gently remove them with a cotton swab dipped in rubbing alcohol or use an organic insecticidal soap.

By following these guidelines, you can successfully grow Harrisii air plants indoors and enjoy their unique beauty. Remember to observe your plants regularly and make adjustments based on their specific needs. With a little care and attention, your Harrisii air plants will thrive and become a beautiful addition to your indoor space.