Discovering the Perfect Heuchera Obsidian Companion Plants

If you're looking for a plant that can add some color and texture to your garden, look no further than the Heuchera Obsidian. Also known as Coral Bells, this popular perennial has stunning dark foliage that can make a bold statement in any landscape. But what are the best companion plants to pair with Heuchera Obsidian? In this article, we'll explore some of the top options and offer tips on how to design a beautiful and cohesive garden.

1. What is Heuchera Obsidian?

Before exploring companion plants, it's important to understand what Heuchera Obsidian is. This low-growing perennial has large, rounded leaves that come in shades of black, purple, and maroon. It also produces delicate spikes of pink, red, or white flowers that bloom in early summer. Heuchera Obsidian is easy to grow and care for, making it a great choice for beginners and experienced gardeners alike.

2. Choosing Companion Plants

When selecting companion plants for Heuchera Obsidian, there are several factors to consider. One is the color wheel: plants with complementary colors will create a harmonious effect, while those with contrasting colors can create an eye-catching contrast. Texture is another important consideration: pairing plants with different leaf shapes and textures can add depth and interest to your garden. Finally, think about the height and growth habits of each plant, and choose ones that will complement rather than compete with one another.

3. Best Companion Plants for Heuchera Obsidian

3.1. Hostas

Hostas are a classic choice for pairing with Heuchera Obsidian. Their large, lush leaves come in shades of green, blue, and gold, providing a contrasting texture to the dark foliage of the coral bells. They also have a similar growth habit, making them a natural pairing.

3.2. Astilbe

Astilbe is another great option for adding color and texture to your garden. Its feathery plumes of pink, red, or white flowers bloom in mid-summer, creating a beautiful contrast against the dark foliage of Heuchera Obsidian.

3.3. Hakonechloa

Hakonechloa, also known as Japanese forest grass, has slender leaves that come in shades of green, gold, or variegated. Its delicate texture and low-growing habit make it an excellent choice for planting alongside Heuchera Obsidian.

3.4. Sedum

Sedum is a versatile plant that comes in many shapes and sizes. Its succulent leaves and colorful blooms can add interest to any garden, and its low-growing habit makes it a good choice for planting with Heuchera Obsidian.

3.5. Geraniums

Geraniums are a popular choice for planting with Heuchera Obsidian. Their bright, cheerful blooms come in shades of pink, purple, or white, and their low-growing habit makes them a natural fit for the front of beds or borders.

4. Tips for Designing a Cohesive Garden

4.1. Plan Your Layout

Before planting, take some time to plan out your garden layout. Consider the size and shape of each plant, as well as its growth habit and sun requirements. Arrange plants in groups of odd numbers, as this can create a more natural and pleasing effect.

4.2. Create a Focal Point

Every garden should have a focal point that draws the eye and creates visual interest. This could be a large tree or shrub, a water feature, or a piece of garden art. Use Heuchera Obsidian and its companion plants to frame this focal point and create a cohesive design.

4.3. Add Textural Contrast

In addition to color contrast, it's important to consider texture when designing your garden. Pairing plants with different leaf shapes and textures can create depth and interest, and help prevent your garden from looking flat or one-dimensional.

4.4. Incorporate Seasonal Interest

Finally, don't forget to incorporate seasonal interest into your garden design. Choose plants that bloom at different times throughout the year, and consider adding fall foliage or winter interest plants for year-round color and texture.

5. Frequently Asked Questions

FAQ #1: Can Heuchera Obsidian grow in full sun?

Yes, Heuchera Obsidian can tolerate full sun, but it prefers partial shade. Too much sun can cause the leaves to scorch or fade, so it's important to plant it in a location with some protection from intense afternoon sun.

FAQ #2: How often should I water Heuchera Obsidian?

Heuchera Obsidian prefers moist, well-draining soil. Water it regularly, especially during periods of hot, dry weather. Be sure to avoid overwatering, as this can lead to root rot and other problems.

FAQ #3: Do I need to fertilize Heuchera Obsidian?

Heuchera Obsidian doesn't require a lot of fertilizer, but you can apply a balanced, slow-release fertilizer in the spring if desired. Be sure to follow the instructions on the package carefully.

FAQ #4: How do I propagate Heuchera Obsidian?

Heuchera Obsidian can be propagated by division in the spring or fall. Simply dig up the plant and divide it into smaller sections, making sure each section has a healthy root system. Replant the sections in well-draining soil and water thoroughly.

FAQ #5: Are there any pests or diseases that affect Heuchera Obsidian?

Heuchera Obsidian is generally resistant to pests and diseases, but it can be susceptible to powdery mildew or crown rot if the soil is too wet. To prevent these problems, be sure to plant it in well-draining soil and avoid overwatering.


In Heuchera Obsidian is a beautiful and versatile perennial that can add color and texture to any garden. When choosing companion plants, consider factors such as color, texture, and growth habit, and aim for a cohesive design that incorporates seasonal interest and focal points. With the right care and attention, your Heuchera Obsidian garden will thrive for years to come.