Updated: April 14, 2022

The emerald gem plant, also known as the emerald arborvitae, is an evergreen shrub that is popular for its vibrant green foliage. If you’re looking to keep your emerald gem plant healthy and thriving, fertilization is crucial. In this guide, we’ll go over everything you need to know about fertilizing your emerald gem plant.

Why Fertilize Your Emerald Gem Plant?

Fertilizing your emerald gem plant provides it with the essential nutrients it needs to grow strong and healthy. Without proper fertilization, your plant may struggle to grow and develop properly. Additionally, fertilization can help your emerald gem plant resist disease and pests.

When to Fertilize Your Emerald Gem Plant

The best time to fertilize your emerald gem plant is in the spring, just before new growth begins. You can also fertilize in the fall after the plant has stopped growing for the season. It’s important not to fertilize during the winter months when the plant is dormant.

Choosing the Right Fertilizer

When choosing a fertilizer for your emerald gem plant, look for a balanced fertilizer with a ratio of nitrogen, phosphorus, and potassium (NPK) of 10-10-10 or 20-20-20. These ratios provide your plant with the necessary nutrients for healthy growth.

How to Apply Fertilizer

To apply fertilizer to your emerald gem plant, start by reading the instructions on the package carefully. Generally, you’ll want to apply the fertilizer evenly around the base of the plant, making sure not to get any on the foliage. Water thoroughly after applying fertilizer.

Additional Tips for Fertilizing Your Emerald Gem Plant

  • Avoid over-fertilizing your emerald gem plant, as this can lead to burnt foliage and root damage.
  • Don’t fertilize your plant if it is stressed or suffering from disease or pest infestation.
  • Always follow the instructions on the fertilizer package carefully to avoid damaging your plant.


How often should I fertilize my emerald gem plant?

You should fertilize your emerald gem plant once a year in the spring or fall, depending on when the plant is actively growing.

Can I use any type of fertilizer on my emerald gem plant?

No, not all fertilizers are suitable for emerald gem plants. Look for a balanced fertilizer with an NPK ratio of 10-10-10 or 20-20-20.

What happens if I over-fertilize my emerald gem plant?

Over-fertilizing your emerald gem plant can lead to burnt foliage and root damage. It’s important to follow the instructions on the fertilizer package carefully.

My emerald gem plant is not growing well. Should I fertilize it more frequently?

No, fertilizing your emerald gem plant too frequently can actually harm it. If your plant is not growing well, check to make sure it is getting adequate water and sunlight, and consider consulting with a gardening expert.