Cynodon dactylon
SPECIMEN · FROM THE LIBRARY
Cynodon dactylon

Cynodon Dactylon

Photo · (c) Jaxon Lane, some rights reserved (CC BY-NC), uploaded by Jaxon Lane COURTESY INATURALIST
A NOTE OF INTEREST

Cynodon dactylon, commonly known as Bermuda grass or couch grass, is a warm-season perennial grass native to Africa that has been widely naturalized around the world. It features a creeping growth habit and can quickly spread through stolons and rhizomes, forming dense mats of turf.

Bermuda grass is highly adaptable, capable of growing in a wide range of soil types, from sandy to clayey. It thrives in full sun but can also tolerate some shade. This plant is drought-tolerant and requires minimal maintenance once established.

Bermuda grass has many applications, including use as turf for lawns, sports fields, golf courses, and parks. It is also effective for erosion control on slopes and serves as pasture for livestock. Additionally, it can be used as an ornamental plant.

A lace-like pattern appears on the petals of Bermuda grass, resembling the bite marks of a dog. This unique flower may not have particularly bright colors, but it possesses a strong fragrance. As you approach to smell it, you might even feel a bit lightheaded. FUN FACT · FROM THE LIBRARY

However, it should be noted that Bermuda grass can become invasive if not properly managed and controlled. Its rapid growth rate makes it difficult to eradicate once established.

Overall, Cynodon dactylon is an important plant species with numerous benefits, but it requires careful management to prevent it from spreading beyond desired areas.

THE NAME

Bermuda grass is a type of grass that originally comes from Africa. Despite not being native to Bermuda, it is abundant there as an invasive species. It likely arrived in North America via Bermuda, which is how it got its common name, Bermuda grass.

A note from PlantMom

Bermuda grass has strong resistance to disease and is generally not likely to suffer from illnesses. Regarding care, this plant is fairly low-maintenance. When grown outdoors it needs only light watering, and larger plants typically do not require pruning. Smaller plants, however, should be pruned after they have finished blooming. Bermuda grass is suitable for anyone with outdoor space, such as a garden or a deck, and does not demand much experience in plant care.

— PlantMom
CARE GUIDE

How to keep Cynodon Dactylon.

Light

Bermuda grass performs best with the maximum sunlight each day but can tolerate lower light levels. Having originated in harsh habitats, it is adapted to handle a range of light intensities. Nevertheless, higher light promotes vigorous growth, while reduced light can lower density and vigor and increase susceptibility to environmental stresses.

Water

Bermuda grass thrives in warm climates with plenty of sunlight and moderate rainfall. It is drought-tolerant but grows best with regular moisture, provided it doesn't become waterlogged. For lush, green growth, it's ideal to water the grass twice a week during its growing season. Thanks to its hardiness, Bermuda grass is typically grown outdoors.

Humidity

This plant prefers dry conditions, so don't mist it. However, watering it less often can also thrive in higher humidity.

Temperature

Bermuda grass originates from areas where temperatures range from 5 to 35 ℃ (41 to 95 ℉). It prefers warm conditions and tolerates heat but does not withstand freezing temperatures. In winter, it is recommended to cut the grass shorter to decrease the risk of snow mold.

Fertilizer

Bermuda grass is a warm-season turf that flourishes in summer and becomes dormant in winter. Fertilization is essential for thick growth, a vibrant green color, and resilience to stressors such as heat, drought, and cold. Neglected lawns weaken and thin, inviting unwanted grasses, weeds, insects, and diseases.

Pruning

Bermuda grass flourishes when regularly mowed and should be trimmed from early to late spring. Cutting it to a height of 1-2 inches encourages a healthy lawn and helps prevent thatch build-up. Frequent mowing also keeps its rapid growth in check, ensuring it doesn't overpower other plants in your garden.

CHARACTERISTICS

Botanical profile.

Plant Type
Grass
Life Cycle
Perennial
Genus
Cynodon
Family
Poaceae
Hardiness Zone
5-10
Mature Height
15 cm to 49 cm
Mature Spread
8 cm to 15 cm
Leaf Color
Green, Gray, Silver
Leaf Type
Deciduous
Flower Color
Purple
Flower Size
0.20 cm to 0.51 cm
Bloom Time
Late spring, Summer
Planting Time
Spring, Summer
Harvest Time
Summer, Early fall
Native Area
Burkina Faso, Libya, Lesotho, Egypt, Djibouti, Angola, Namibia, Madagascar, Rwanda, Eritrea, Nigeria, Morocco, Kenya, Niger, Uganda, Tanzania, Zimbabwe, Mali, Benin, Equatorial Guinea, Cameroon, Liberia, Mozambique, Burundi, Ghana, Ethiopia, Botswana, Congo, Central African Republic, Malawi, Tunisia, South Africa, Zambia, Sudan, Guinea, Chad, Togo, Senegal, Eswatini, Côte d'Ivoire, Algeria, Gambia, Congo (DRC), Gabon
ALSO KNOWN AS

Other names.

en Bermudagrass en Common Bermuda grass en Green couch en Plain couch en Common couch en Indian couch en Bahama Grass en Brakgras Salu en Dog's-tooth grass en Indian doab en Couch grass en Devil's grass en Dubo en Scutch grass en Cocksfoot-grass en Devil grass en Dhub grass en Dog's-tooth-grass en Hariali grass en Ziba grass en Chiendent pied-de-poule en Common bermudagrass en Zebra tail en Crabgrass en గరిక - దూర్వాలు en Dharo en Tahoma ThirtyOne ar چایر- مرغ ar پنجه مرغی
FREQUENTLY ASKED

Reader questions.

When Should I Water My Bermuda Grass?

To determine the right time to water your Bermuda grass, closely monitor the plant for specific indicators. If the soil moisture around the plant's base feels dry 1-2 inches deep, it is time to water. Observing the grass for signs of wilting, droopiness, or leaf curling is also essential, as these are indicators of moisture stress. A change in leaf color to yellow or brown can suggest that the grass needs water, though it's important to consider the season and grass variety, as some natural browning occurs during dormancy. The footprint test can further guide watering times; if the grass doesn't bounce back after being stepped on, it needs water. Also, consider the recent weather conditions and temperatures, watering more frequently during warm, dry spells. However, watering too early can cause root diseases, and watering too late can stunt growth or kill the plant. Understanding and responding to these signs are crucial for maintaining healthy Bermuda grass.

Why should I put fertilizer on my Bermuda grass?

To achieve vigorous and thick growth, it is important to fertilize Bermuda grass. A lawn that is healthy and well-fed will maintain its density, remain vibrantly green, and recover effectively from damage caused by insects or mechanical issues. Additionally, it will be better equipped to handle seasonal stressors such as heat, drought, and cold temperatures. Conversely, lawns that are not properly fertilized will gradually lose density and become thinner over time. This creates an opportunity for undesirable grasses and weeds to invade the lawn. Moreover, malnourished lawns are more susceptible to insect infestations and disease.

What are the sunlight requirements for Bermuda grass?

Bermuda grass requires a substantial amount of sunlight to thrive optimally. For full sun exposure, Bermuda grass needs over 6 hours of sunlight daily. In conditions of partial sun, about 3-6 hours of sunlight is necessary. It is important to monitor the movement of sunlight through your garden carefully to ensure that the plants get a perfect balance of light and shade, which is crucial for their health and happiness.

What are the ideal temperature conditions for Bermuda grass?

Bermuda grass thrives in regions where temperatures range from 5 to 35°C (41 to 95°F). It prefers warm temperatures and has a strong tolerance for heat. However, it does not fare well in freezing temperatures. To manage Bermuda grass during winter, it is suggested to trim the grass shorter to reduce the risk of snow mold. Even though Bermuda grass has strong cold resistance and special frost protection measures are typically not necessary, if temperatures are expected to drop below -25°C, providing cold protection by covering the grass with materials like soil or straw is important. Additionally, abundant watering before the first freeze in autumn, ensuring the soil is moist entering into the frozen state, helps prevent drought and water scarcity for the plant during winter and early spring.

How Should I Water My Bermuda Grass?

Bermuda grass thrives with deep, infrequent watering, which encourages a strong root system capable of resisting drought and heat. The ideal watering method involves using a sprinkler system or garden hose with a spray attachment to mimic natural rainfall, allowing the water to evenly reach the soil to a depth of about 6 inches. This method promotes deep root growth. Employing a soil moisture meter can help you prevent over- or underwatering by providing accurate moisture levels in the soil. Focus on thoroughly wetting the soil down to the root zone and avoid watering late in the evening or at night to reduce the risk of fungal diseases. Watering should be concentrated on the soil rather than the foliage.

When should I fertilize my Bermuda grass for the best results?

Bermuda grass is a warm-season grass that thrives in the hottest part of summer and becomes dormant during winter. To care for it effectively, apply fertilizer right after it comes out of dormancy and continue doing so throughout the growing season. Stop fertilizing just before it goes dormant again in the fall.

What essentials should be known for growing Bermuda grass?

Bermuda grass excels in full sunlight and can tolerate lesser amounts of light, thanks to its origin in challenging environments. Maximum sunlight exposure encourages robust growth, while insufficient light can lead to a decrease in density and make the grass more vulnerable to environmental stresses. If natural sunlight is lacking, artificial lighting can be a valuable alternative, ensuring optimal growth by simulating natural light conditions. For indoor plants, this involves selecting the right type of light, such as LED, determining the distance between the plant and the light source, and mimicking natural daylight hours, usually 8-12 hours a day.

How does Bermuda grass react to low temperatures?

Bermuda grass is cold-tolerant and performs best when temperatures stay above 5°C. During winter, the temperature should be kept above -20°C to ensure healthy growth. When temperatures fall below -25°C, Bermuda grass may not show noticeable changes during the winter season; however, this may lead to decreased sprouting or even absence of sprouting in spring. In such instances, it is advisable to remove any parts of the grass that have failed to sprout in spring as a solution to encourage healthy regrowth.

How Much Water Does Bermuda Grass Really Need?

The water requirements of Bermuda grass vary based on several factors, including pot size, root depth, and plant size. Typically, Bermuda grass requires about 1 inch of water every 5-7 days for smaller pots or containers, and 1-2 inches every 7-10 days for larger ones. The health and hydration level of Bermuda grass can be observed through its green, vibrant leaves, and its ability to recover quickly from foot traffic or mowing. Signs of under-watering include wilting, dull or yellowish color, and slow recovery. On the other hand, over-watering can lead to shallow roots, thatch buildup, and vulnerability to diseases. To ensure optimal growth, water deeply but infrequently, especially in the early morning, and adjust based on weather conditions.

When is it a bad idea to fertilize my Bermuda grass?

Fertilizer can sometimes harm Bermuda grass instead of helping it, especially if the grass is already stressed for other reasons. If Bermuda grass is struggling with diseases like leaf spot, pythium, large patch, brown patch, or fairy rings, or insect problems like grubs, chinch bugs, or armyworms, it's best to avoid fertilizing. Adding fertilizer in these cases can weaken the grass's defenses, making it more susceptible to other pests or diseases. In the winter, when Bermuda grass is dormant, never fertilize it. Instead, wait until the grass is actively growing. During the hot summer months, it's important to avoid fertilizing during the hottest part of the day to prevent fertilizer burn. Additionally, after a rainstorm, it's best to wait for the soil to dry out for a day or two before applying fertilizer to minimize runoff and the potential contamination of ground and surface waters.

How can one identify if Bermuda grass is not receiving enough sunlight?

Symptoms of insufficient sunlight in Bermuda grass include the growth of smaller new leaves, leggy or sparse growth, faster leaf drop, and a pause or stop in new growth. Other signs include lighter-colored new leaves, chlorosis (where leaves turn yellow due to a breakdown of chlorophyll), sunscald, leaf curling, wilting, and leaf scorching. These symptoms indicate that the plant is struggling due to inadequate sunlight and may require adjustments in its care or environment.

What should be done if Bermuda grass is exposed to high temperatures?

During the summer months, it is crucial to ensure that Bermuda grass does not experience temperatures above 35°C. If the temperature rises beyond 41°C, the grass may show signs of stress including lighter colored leaves, leaf curling, susceptibility to sunburn, and in severe cases, wilting and drying out. To mitigate damage from high temperatures, trimming the sunburned and dried parts of the grass is recommended. Moving the plant to a shaded location or using a shade cloth to protect it from the direct midday and afternoon sun can also be beneficial. Additionally, watering the grass in the morning and evening to keep the soil moist is crucial to prevent drying.

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