Simply Trees

Black Mondo Grass

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Once a weekPartial shadeDeer resistant
  • Dramatic Black Foliage: Offers unique, dark foliage that provides excellent contrast in the garden.
  • Versatile Use: Perfect as a ground cover, edging, or in container gardens, adding sophistication and depth.
  • Low Maintenance: Drought-tolerant and requiring minimal care, ideal for busy gardeners or those seeking an easy-care landscape.

More Details

Black Mondo Grass, scientifically known as Ophiopogon planiscapus 'Nigrescens', is a striking ornamental grass known for its almost black, blade-like leaves that offer a dramatic contrast to any garden setting. This low-growing perennial forms dense tufts of foliage that create a stunning ground cover or edging plant. Ideal for gardeners looking to add texture and depth to their landscape design, Black Mondo Grass is drought-tolerant once established and requires minimal care, making it a popular choice for modern and minimalist gardens.

Growth rate: Slow growth rate; mature height of 6-10 inches and width of 8-12 inches.

Please note: Images on our website depict plants and trees at full maturity to showcase their expected grown characteristics. These images are illustrative examples only and do not represent the size of plants or trees upon delivery.

Pruning: The Black Mondo Grass does not require regular pruning. However, you can trim back any damaged or unsightly foliage in early spring to maintain its neat appearance.

Fertilization: The Black Mondo Grass is a low-maintenance plant that generally does not require fertilization. However, you can apply a balanced slow-release fertilizer in spring if desired, following the package instructions.

Winter Protection: The Black Mondo Grass is hardy in cold climates, but it benefits from a layer of mulch applied around the base in late fall to provide insulation and protect the roots during the winter months.

Choose a location with well-draining soil in partial shade to full sun. Dig a hole slightly larger than the root ball. Plant the grass, backfill with soil, and water thoroughly. Space plants approximately 8-12 inches apart to allow for their spreading habit.

The Black Mondo Grass prefers consistently moist soil, so it's important to water it regularly. Aim to keep the soil evenly moist but not waterlogged. As for sunlight, this plant thrives in partial shade to full shade. It can tolerate some morning sun but may suffer in hot, direct afternoon sunlight. Find a shady spot in your garden where the Black Mondo Grass can display its dark beauty.

We process and ship your order as quickly as possible, typically within 1-3 business days. You will receive a shipping confirmation with tracking information once your item(s) ship.

We have perfected packaging and shipping plants & trees! That is why we DO NOT use any third-party fulfillment like most other online retailers. Your trees go straight from our farm to your door, safely packaged by our team of seasoned professionals. Our process ensures your plants leave our facility and arrive to your door in the best condition possible!

In cases of extreme cold or hot weather, we may temporarily delay shipping to ensure the well-being of your plants. Our primary focus is on delivering healthy and thriving plants to you. Rest assured, we'll make every effort to notify you of any delays promptly.

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Zones 6-10

Black Mondo Grass thrives in USDA Zones 6-10, adapting well to a variety of climates. It prefers partially shaded areas but can tolerate full sun in cooler climates. This plant is well-suited for well-drained soil and is particularly effective in creating contrast and interest in shaded garden areas or as a complement to lighter-colored plants.

Frequently Asked Questions

Black Mondo Grass is a low-growing ornamental grass known for its striking, dark-purple to black foliage. It typically reaches a mature height of about 6 to 10 inches and forms dense clumps that can spread to around 12 to 18 inches in width. The small size and clumping habit of Black Mondo Grass make it an excellent choice for ground cover, edging, or as an accent plant in garden beds, borders, and containers. Its dark foliage provides a unique and attractive contrast in garden landscapes.

Black Mondo Grass is a slow-growing ornamental grass. It typically has a moderate growth rate and may take several years to reach its mature size. Here are some general guidelines for its growth rate:

First Year: In the first year after planting, Black Mondo Grass may not show significant growth above the soil. It primarily establishes its root system during this time.

Second Year: During the second year, you may start to see some increase in foliage, but it will still be relatively small.

Mature Size: It can take about 2 to 3 years for Black Mondo Grass to reach a size of around 6-10 inches in height and spread to form a dense clump.

Continued Growth: After it reaches its mature size, Black Mondo Grass will continue to slowly spread and fill in the area where it's planted. However, its growth rate remains relatively slow compared to many other garden plants.

Because of its slow growth, it's essential to be patient when cultivating Black Mondo Grass. Once established, it forms attractive clumps of dark, almost black foliage that add an interesting and contrasting element to garden beds, borders, or containers. Regular watering and proper care will help it thrive and gradually expand over time.

Black Mondo Grass is a versatile and attractive ornamental grass that can thrive in various garden settings. Here are some considerations for where to plant it:

Shade to Partial Shade: Black Mondo Grass is known for its tolerance of low light conditions. It thrives in areas with dappled shade to partial shade. It can also handle some morning sun, but it's generally best suited for spots where direct afternoon sun is limited.

Ground Cover: It works well as a ground cover in shaded areas where many other plants struggle to grow. Its dark, almost black foliage provides a striking contrast to green plants, making it an excellent choice for edging or bordering garden beds.

Rock Gardens: Black Mondo Grass can be used in rock gardens, especially if there's some shade or filtered light in the rockery. Its compact, mounding growth habit adds texture and color to these settings.

Containers: You can also plant Black Mondo Grass in containers or pots. Its unique appearance makes it an attractive choice for adding interest to outdoor containers or even as an indoor houseplant in well-lit spaces.

Under Trees: Consider planting it beneath trees or larger shrubs where it can receive some indirect light. The shade provided by the tree canopy will protect it from harsh sun exposure.

Mixed Borders: Black Mondo Grass pairs well with other shade-loving plants like hostas, ferns, and heucheras. It can be used as a contrasting element in mixed borders or shade gardens.

Moisture Requirements: Ensure that the planting area has well-drained soil. While Black Mondo Grass is adaptable to different soil types, it prefers consistent moisture but not waterlogged conditions.

Hardiness Zones: Check the hardiness zones for your region to make sure it's suitable for Black Mondo Grass. It's typically hardy in USDA zones 6-11.

Remember that Black Mondo Grass is a relatively slow grower, so it may take some time to fill in the area or container where it's planted. Regular watering and a layer of mulch can help retain moisture and keep the soil cool, which is beneficial for its growth. Additionally, dividing and replanting clumps every few years can help manage its size and rejuvenate the plant.

Black Mondo Grass is a clump-forming ornamental grass that does not spread aggressively by runners or rhizomes like some other ground covers. It grows in tight, compact clumps and gradually increases in size over time. While it doesn't have invasive spreading tendencies, it can expand slowly by producing offsets or small divisions around the base of the parent plant.

If you want to control its spread or contain its growth in a specific area, you can easily do so by dividing the clumps and replanting them elsewhere or by using physical barriers like edging or containers. This allows you to manage the size and placement of your Black Mondo Grass plants in your garden or landscape.

Overall, Black Mondo Grass is considered a well-behaved and non-invasive ornamental plant that adds unique dark foliage to shaded or partially shaded areas without taking over the garden.

Caring for Black Mondo Grass is relatively easy, and it can add a unique dark contrast to your garden. Here are the key care guidelines for Black Mondo Grass:

Light Requirements:
Black Mondo Grass thrives in partial to full shade, making it an excellent choice for areas with limited sunlight. It can tolerate some morning sun but prefers dappled or filtered light.

Soil Conditions:
Ensure that the soil is well-draining and rich in organic matter. Amending the soil with compost or organic material before planting can improve soil quality.

Keep the soil consistently moist but not waterlogged, especially during the establishment period. Regular watering is crucial to help the plant establish its root system. Once established, it can tolerate occasional dry spells, but consistent moisture is ideal.

Apply a layer of organic mulch, such as wood chips or pine straw, around your Black Mondo Grass plants. Mulch helps conserve moisture, suppress weeds, and maintain a consistent soil temperature.

Pruning and Maintenance:
Prune or trim Black Mondo Grass in late winter or early spring to remove any damaged or discolored leaves and encourage new growth. Use clean, sharp shears or scissors for this purpose.

Black Mondo Grass typically doesn't require heavy fertilization. You can apply a balanced, slow-release fertilizer in early spring if desired, but it's often unnecessary. Avoid over-fertilizing, as excessive nutrients can harm the plant.

Over time, Black Mondo Grass can form clumps. You can divide the clumps in spring to create new plants or to rejuvenate older ones. Dig up the clump, separate the individual plants, and replant them at the desired spacing.

Pests and Diseases:
Black Mondo Grass is generally resistant to most pests and diseases. However, it's a good practice to inspect your plants regularly for any signs of issues and address them promptly if they arise.

Black Mondo Grass is valued for its striking dark foliage and its ability to thrive in shaded areas. With proper care, it can provide an attractive and low-maintenance addition to your garden, border, or container plantings.

Planting mondo grass is a straightforward process, and it's a great ground cover choice for many gardens. Here are the steps to plant mondo grass:

Choose the Right Location:
Mondo grass can grow in both sun and shade, but its preferences may vary depending on your specific climate. In general, it thrives in partial to full shade but can tolerate partial sun. Choose a location that matches its light requirements.

Prepare the Soil:
Mondo grass prefers well-draining soil with good organic matter. Work the soil in the planting area to loosen it and amend it with compost or organic matter if necessary. This will help improve drainage and provide nutrients for the plants.

Depending on the variety and the effect you want to achieve, space mondo grass plants about 6 to 12 inches apart. Closer spacing will result in quicker coverage, while wider spacing gives each plant more room to spread.

1. Dig a hole for each mondo grass plant that is slightly larger than the root ball or container it came in.
2. Remove the plant from its container or separate it from a larger clump if necessary.
3. Place the plant in the hole at the same depth it was previously growing. Ensure that the top of the root ball is level with the soil surface.
4. Backfill the hole with soil and gently pat it down to eliminate air pockets. Water the newly planted mondo grass thoroughly.

Apply a layer of organic mulch, such as wood chips or pine straw, around the planted mondo grass. Mulch helps conserve moisture, suppress weeds, and maintain a consistent soil temperature.

Keep the soil consistently moist but not waterlogged, especially during the establishment period. Afterward, mondo grass is relatively drought-tolerant and can handle occasional dry periods.

Mondo grass requires little maintenance. You can trim or mow it in late winter or early spring to remove any damaged or discolored leaves and encourage new growth. Otherwise, it doesn't require regular pruning.

Mondo grass generally doesn't require heavy fertilization. You can apply a balanced, slow-release fertilizer in early spring if desired, but it's often unnecessary.

Mondo grass is a hardy and low-maintenance ground cover that can provide a lush and green carpet-like appearance to your garden. Following these steps will help ensure its successful establishment and growth.

Black Mondo grass is a versatile plant that can thrive in various light conditions, making it suitable for both sun and shade. However, its preferences may vary slightly depending on your climate and specific growing conditions.

Here's a general guideline for its light preferences:

Full Sun to Partial Shade: Black Mondo grass can tolerate and even thrive in partial sun to partial shade conditions. In regions with cooler summers and milder temperatures, it can handle more direct sunlight. In such areas, it may exhibit a deeper black color when exposed to more sun.

Partial to Full Shade: In regions with hot, intense summer sun, Black Mondo grass benefits from some protection and is often grown in partial to full shade. It can maintain its dark coloration and stay healthier when shielded from the harsh afternoon sun.

Filtered Light: This plant can also do well in areas with dappled or filtered sunlight, such as under the canopy of taller trees or alongside structures that provide intermittent shade.

Ultimately, the key to success with Black Mondo grass is to find the right balance of light for your specific location. It's adaptable and can be grown in various lighting conditions, so you can choose the best spot in your garden based on the available sunlight. Additionally, while it can tolerate dry periods, consistent moisture is beneficial, especially in full sun or during hot weather.

Black Mondo grass is known for its tolerance to a variety of growing conditions, including periods of drought. While it prefers consistently moist soil, it can withstand short periods of dryness once established. Here are some tips to help you understand and promote its drought tolerance:

Establishment: During the initial planting phase, it's crucial to provide regular watering to help the plant establish its root system. Keep the soil consistently moist for the first growing season.

Mulch: Apply a layer of mulch around the base of the Black Mondo grass. Mulch helps retain soil moisture, regulate soil temperature, and reduce water loss through evaporation. It also helps control weeds that can compete for moisture.

Watering: Once established, Black Mondo grass can tolerate some drought conditions. However, during prolonged dry periods, it's a good idea to provide supplementary watering when the soil becomes noticeably dry. Deep watering less frequently is generally more effective than shallow, frequent watering. Aim to water the plant's root zone thoroughly.

Monitor Soil: Regularly check the soil moisture level by inserting your finger into the soil. Water when the top inch or two of soil feels dry to the touch.

Location: Plant Black Mondo grass in a suitable location that provides some shade or filtered sunlight, especially in hot climates. This can help reduce water stress during hot summer months.

Drought-Resistant Varieties: Some newer cultivars of Black Mondo grass may be more drought-resistant than others, so consider selecting one of these if you live in an area with frequent drought conditions.

Remember that while Black Mondo grass can tolerate periods of drought, it will still benefit from consistent moisture, and its foliage may look its best when provided with adequate water. Proper watering practices, mulching, and selecting the right variety can help you maintain healthy and attractive Black Mondo grass in your garden.

Black Mondo grass is a striking ornamental grass known for its dark foliage. If your Black Mondo grass is turning brown, there are several potential reasons for this issue:

Watering: Overwatering or underwatering can cause the leaves to turn brown. Ensure that your Black Mondo grass is receiving the appropriate amount of water. It generally prefers consistently moist but well-draining soil. Avoid waterlogged conditions.

Soil Conditions: Poor soil quality or drainage issues can lead to root problems, which may manifest as brown foliage. Make sure the soil is well-draining and enriched with organic matter.

Light: Black Mondo grass typically thrives in partial to full shade. If it is exposed to too much direct sunlight, especially in hot climates, the leaves can scorch and turn brown. Ensure it is planted in a suitable location with the right amount of shade.

Fertilization: Excessive fertilizer, especially one high in nitrogen, can lead to browning of the leaves. Avoid over-fertilizing and use a balanced, slow-release fertilizer according to the plant's needs.

Pests and Diseases: Check for signs of pests or diseases. While Black Mondo grass is relatively resistant to these issues, it's still possible. Inspect the leaves for any unusual spots, discoloration, or signs of pests.

Seasonal Changes: Some browning of leaves may occur naturally as the plant goes through seasonal changes. If the browning is limited to older leaves and new growth is healthy, it might not be a cause for concern.

To address the issue, examine your Black Mondo grass closely and make adjustments as needed in terms of watering, soil quality, and location. If you suspect a pest or disease problem, consider consulting with a local nursery or gardening expert for proper identification and treatment recommendations.

Mondo grass is a low-maintenance ground cover plant that doesn't require frequent trimming. However, some light maintenance can help keep it looking its best:

Spring Cleanup: In early spring, you can trim back any damaged or discolored foliage to encourage new growth. Simply use a pair of shears or scissors to cut away the unsightly leaves. Be sure not to cut too close to the ground; leave some healthy foliage.

Division: Over time, mondo grass can become crowded and may benefit from division. This involves digging up the clumps and separating them into smaller sections, which can then be replanted. Division helps rejuvenate the plant and prevent overcrowding.

Edging: If you're using mondo grass as an edging plant along paths or borders, you may need to trim the edges occasionally to maintain a neat appearance. This can be done with shears or an edging tool.

Thinning: If your mondo grass becomes overly dense and begins to smother nearby plants, you can thin it out by removing some of the clumps. This allows for better air circulation and prevents overcrowding.

Overall, mondo grass is a relatively low-maintenance plant, and trimming is only necessary for cosmetic reasons or to manage its growth in specific areas. Regular watering and mulching can also help keep it healthy and looking its best.

Our Process

We have perfected packaging and shipping plants & trees! That is why we DO NOT use any third-party fulfillment like most other online retailers. Your trees go straight from our farm to your door, safely packaged by our team of seasoned professionals. Our process ensures your plants leave our facility and arrive to your door in the best condition possible!