Updated: July 25, 2023

When it comes to planting Nandina, also known as heavenly bamboo, it is crucial to consider the spacing between each plant. Proper spacing allows for optimum growth, air circulation, and overall health of the plants. In this article, we will explore the factors to consider when deciding how much space to leave between each Nandina plant.

Understanding Nandina Growth Habits

Before diving into the specifics of spacing, it is important to understand the growth habits of Nandina. Nandina is a dense, upright shrub that can grow up to 6 feet in height and spread out to 4 feet or more. It has multiple stems arising from a central base and features delicate, lacy foliage that changes color throughout the seasons.

Nandina produces clusters of small, white flowers in the spring followed by bright red berries that persist through the winter. Its vibrant foliage and attractive berries make it a popular choice for landscaping.

Factors to Consider

Several factors come into play when determining how much space to leave between each Nandina plant. These factors include:

1. Mature Size

Considering the mature size of Nandina is essential when determining spacing. As mentioned earlier, Nandina can grow up to 6 feet in height and spread out to 4 feet or more. Therefore, leaving sufficient space between plants ensures they have enough room to grow without competing for sunlight, nutrients, or water.

2. Air Circulation

Proper air circulation is crucial for preventing diseases and promoting healthy growth in plants. When plants are spaced too closely together, air cannot circulate freely, leading to increased humidity levels and potential fungal infections. Adequate spacing allows air to flow through the foliage, reducing the risk of diseases.

3. Aesthetic Appeal

The aesthetic appeal of a Nandina planting depends on the spacing between each plant. Proper spacing ensures that each plant has enough room to develop its natural shape and form. When plants are overcrowded, they can become leggy and misshapen, detracting from the overall visual appeal of the landscape.

4. Maintenance

Proper spacing also makes maintenance tasks much easier. With adequate space between plants, it is easier to access and prune individual plants when necessary. This facilitates proper maintenance, such as removing dead or damaged branches and shaping the plants for a neat appearance.

Recommended Spacing Guidelines

Based on the factors mentioned above, it is recommended to leave approximately 3 to 4 feet of space between each Nandina plant. This spacing allows the plants to grow and spread naturally without overcrowding. However, it is important to consider the specific cultivar or variety of Nandina you are planting, as some may have slightly different growth habits.

If you are planting Nandina as a hedge or border, a closer spacing of 2 to 3 feet may be appropriate. This will create a denser, more compact look. However, ensure that you regularly prune and maintain the plants to prevent overcrowding and maintain their desired shape.

Adjusting Spacing for Different Cultivars

While the recommended spacing guidelines provide a good starting point, it is important to adjust the spacing based on the specific cultivar or variety of Nandina you are planting. Some cultivars may have a more compact growth habit, while others may spread out more.

For compact varieties, such as Nandina domestica ‘Gulf Stream’ or ‘Firepower’, a spacing of 2 to 3 feet may be sufficient. These cultivars tend to stay smaller and have a tighter growth habit.

On the other hand, larger varieties like Nandina domestica ‘Moyer’s Red’ or ‘Harbor Dwarf’ may require more space between plants. A spacing of 4 to 5 feet would be more suitable for these larger cultivars.

Always consult the plant tag or do some research to determine the specific growth habit of the Nandina cultivar you are planting and adjust the spacing accordingly.

Conclusion

Proper spacing between each Nandina plant is crucial for their overall health and aesthetic appeal. Considering factors such as mature size, air circulation, aesthetic appeal, and maintenance will help you determine the appropriate spacing. While a general guideline of 3 to 4 feet is recommended, adjusting the spacing based on the specific cultivar or variety is essential for achieving optimum growth and visual impact in your Nandina planting.