Updated: June 27, 2023

Olive plants are popular houseplants known for their attractive silver-green leaves and ability to thrive in various conditions. However, sometimes these plants can face issues that cause them to deteriorate and eventually die. If you’ve noticed your olive plant struggling, it’s essential to identify the underlying cause and take appropriate action to save it. In this article, we will explore some common reasons why olive plants may die and provide tips on how to revive them.

Insufficient Light

One of the primary reasons olive plants fail to thrive is due to insufficient light. These plants originate from Mediterranean regions and require bright sunlight to grow properly. If your olive plant is not receiving enough light, it may exhibit symptoms such as yellowing leaves, stunted growth, and thinning foliage.

To remedy this issue, ensure that your olive plant is placed in a location where it can receive at least six hours of direct sunlight each day. If natural light is limited, consider using artificial grow lights specifically designed for indoor plants. Position the lights about 12 inches above the plant and leave them on for 12-16 hours daily.

Overwatering or Underwatering

Another common mistake that can lead to the demise of an olive plant is improper watering. Overwatering can suffocate the roots and promote root rot, while underwatering can cause dehydration and wilting.

To determine if your olive plant is receiving the correct amount of water, check the soil moisture level regularly. Stick your finger about an inch into the soil; if it feels dry at that depth, it’s time to water. Water thoroughly until it drains out from the bottom of the pot. However, avoid leaving your olive plant sitting in standing water as this can also lead to root rot.

On the other hand, if you notice that the soil is consistently wet or soggy, reduce your watering frequency. Allow the top inch or two of soil to dry out before watering again. Adjusting your watering routine to the specific needs of your olive plant will help maintain a healthy balance and prevent root-related issues.

Poor Drainage

In addition to overwatering, poor drainage can be a significant contributing factor to an olive plant’s decline. When the excess water cannot escape from the pot, it creates a damp environment that encourages root rot and fungal diseases.

To ensure proper drainage, use a well-draining potting mix specifically formulated for succulent plants. Consider adding perlite or coarse sand to the soil mixture to enhance drainage. Additionally, make sure the pot has drainage holes at the bottom to allow excess water to escape.

Incorrect Temperature and Humidity

Olive plants thrive in moderate temperatures and prefer a slightly cooler environment during winter. High temperatures above 90°F (32°C) can cause stress and lead to leaf drop. Similarly, exposure to cold drafts or temperatures below 50°F (10°C) can also damage the plant.

Maintain a temperature range between 60-80°F (15-26°C) for optimal growth. Avoid placing your olive plant near heating vents or air conditioning units that may produce extreme temperature fluctuations.

Regarding humidity, olive plants are adaptable and can tolerate a wide range. However, they generally prefer average indoor humidity levels. If you live in a dry climate or have central heating that dries out the air, consider using a humidifier or placing a tray filled with water near your olive plant to increase humidity levels.

Pest Infestation

Pests such as aphids, mealybugs, and scale insects can wreak havoc on olive plants if left untreated. These insects feed on the plant sap, leading to weakened growth and yellowing leaves. You may also notice sticky residue on the leaves or small white cotton-like masses indicating an infestation.

To combat pest infestations, regularly inspect your olive plant for any signs of insects. If you spot pests, isolate the affected plant to prevent the infestation from spreading. Use a mild insecticidal soap or neem oil spray to treat the pests, following the instructions on the product label. Repeat the treatment every 7-10 days until the pests are eradicated.

Nutrient Deficiency

A lack of essential nutrients can cause olive plants to deteriorate. Nitrogen, phosphorus, and potassium are particularly important for their growth and overall health. Signs of nutrient deficiency may include yellowing leaves, stunted growth, and poor fruit production.

To address this issue, use a balanced fertilizer specifically formulated for houseplants. Follow the instructions on the packaging and apply the fertilizer during the active growing season, typically from spring to early fall. Avoid overfertilizing, as this can lead to salt build-up in the soil and burn the plant’s roots.

Conclusion

While olive plants are generally hardy and resilient, they can still face challenges that cause them to decline and die. By addressing issues such as insufficient light, improper watering, poor drainage, incorrect temperature and humidity, pest infestations, and nutrient deficiencies, you can give your olive plant a fighting chance at survival. Remember to observe your plant closely and make adjustments accordingly. With proper care and attention, you can revive your olive plant and enjoy its beauty for years to come.