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How to Identify Grass Types

URSROBOT Inc is a leading company specializing in service robot solutions, dedicated to bringing outdoor service robots into various aspects of daily life.

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How to Identify Grass Types

When selecting grass seeds for your lawn, it’s crucial to consider the suitability of the plant species for your environment. Choosing the right grass type ensures healthier growth, faster propagation, and better recovery, making your lawn more resistant to mowing and foot traffic. A lush, vibrant lawn not only enhances the aesthetics of your landscape but also reflects proper adaptation to local conditions.

Four Main Types of Grass: Cool-Season, Warm-Season, Transitional Zone & Extreme Grasses

The main classification of lawns is based on their primary growing climate, divided into cool-season grasses, warm-season grasses, transitional zone grasses, and other grasses adapted to specific extreme climates. Generally, we can determine the suitable grass species for planting based on the region we are in, to create high-quality lawn landscapes. Additionally, the appearance of the grass blades can also help identify the category to which the grass species belongs.

Cool-Season Grasses

Cool-season grasses are commonly found in temperate regions with an average annual temperature of around 20-25°C. They begin growing in late winter to early spring and continue until the onset of hot summer weather, at which point they go dormant. These grasses typically have narrow, elongated blades and fibrous, slender roots.

  • For Taiwan
    Cool-season grasses are suitable for high-altitude (above 1,000 meters) mountain slopes or similar environments.
  • For the United States
    Cool-season grasses are suitable for northern regions with lower temperatures and relatively colder climates. They typically experience rapid growth during spring and fall.

Warm-Season Grasses

Warm-season grasses are commonly found in subtropical and tropical regions with an average annual temperature of around 25-30°C. They produce new leaves in late spring to early summer and thrive in hot temperatures and ample sunlight during the summer months. Growth typically slows or stops during the colder winter months, entering dormancy. These grasses also feature narrow, elongated blades and fibrous, slender roots.

  • For Taiwan
    Particularly in the Yunlin-Chiayi-Tainan area, the climate is subtropical, characterized by warm plains. Summers are hot, and winters are relatively mild, avoiding the cold winters and frost damage typically found in colder regions or at higher altitudes.
  • For the United States
    Warm-season grasses are suitable for the warm southeastern regions, where even in winter, temperatures do not inhibit growth or cause death.

Transitional Zone Grasses

The transitional zone experiences both high and low temperature seasons throughout the year. For example, summers are hot, but winter temperatures can still drop below the cold tolerance limits of certain grass species. Therefore, grass species chosen for this region need to adapt to temperature fluctuations. Besides maintaining as much greenery as possible throughout the year, this can be achieved by blending winter and summer grass species, ensuring the lawn remains green throughout all seasons.

  • For Taiwan
    Transitional zone grasses are suitable for the northern regions with significant annual temperature variations, as well as hilly and mountainous areas. In northern regions of Taiwan such as Taipei, New Taipei, Hsinchu, and Miaoli, there is greater annual temperature variation.
  • For the United States
    Transitional zone grasses are suitable for central regions, where they need to withstand temperature changes. Selecting grass species with higher tolerance is advisable.

Extreme Grass Species

To cope with extreme weather conditions, selecting grass species with higher tolerance depends on specific environmental factors. For instance, in drought-prone areas, drought-resistant grass species can be chosen, while in coastal saline-alkaline regions, salt-tolerant grass species are preferred. By identifying suitable grass species based on different environmental conditions, it ensures that the lawn remains healthy and visually appealing even under extreme circumstances.

  • For Taiwan
    Extreme grass species are suitable for some drought-prone areas in the southern or eastern regions. Some areas in Chiayi, Tainan, and Taitung are more prone to drought.
  • For the United States
    Extreme grass species are suitable for certain western or southwestern regions prone to drought, such as Arizona, or for some northern regions like Minnesota, where cold damage occurs throughout the year.

Cool-Season Grasses Introduction

Cold season grasses are suitable for cooler climates, especially thriving during spring and autumn when they exhibit optimal growth. These grass species are particularly well-suited for temperate and cold regions, possessing cold and traffic tolerance, which allows them to form dense, attractive lawns.

Kentucky bluegrass

Kentucky bluegrass typically features boat-shaped, pointed green to deep-green blades with shallow roots, resulting in a dense lawn that contributes to an aesthetically pleasing garden landscape.

Kentucky Bluegrass

Kentucky bluegrass typically features boat-shaped, pointed green to deep-green blades with shallow roots, resulting in a dense lawn that contributes to an aesthetically pleasing garden landscape.

  • Sunlight Requirements
    Full sunlight is preferable as it promotes the health of the lawn; inadequate sunlight can adversely affect its health.
  • Care Needs
    High. However, it has poor drought and heat tolerance, necessitating regular fertilization and irrigation.

Tall Fescue

Tall fescue is commonly characterized by its clump-forming, deep green grass blades with narrow, rounded tips. It’s often found in cold-season and transitional lawns and can grow during summer but requires frequent watering.

  • Sunlight Requirements
    Partial sunlight, drought-tolerant, moisture-tolerant, and moderately shade-tolerant, suitable for planting in partially shaded areas.
  • Care Needs
    Moderate. It’s wear-resistant, traffic-tolerant, and self-repairs quickly.

Perennial Ryegrass

Perennial ryegrass features smooth, slender green to deep-green blades, growing in bunches and rapidly forming dense lawns.

  • Sunlight Requirements
    Full sunlight, not very shade-tolerant and drought-tolerant, may go dormant during summer.
  • Care Needs
    High. It’s wear-resistant, traffic-tolerant, but requires frequent mowing due to its rapid growth.

Creeping Bentgrass (Agrostis palustria)

Creeping bentgrass has shallow roots and spreads through creeping stems, with smooth, slender, bright green leaves.

  • Sunlight Requirements
    Can thrive with partial sunlight; while it prefers ample sunlight, it is highly shade-tolerant.
  • Care Needs
    High. It requires frequent watering and is prone to fungal diseases due to its preference for moist, warm environments, necessitating regular trimming.

Creeping Red Fescue

Creeping red fescue has stiff, slender, finely textured leaves ranging from green to reddish color, spreading through delicate rhizomes.

  • Sunlight Requirements
    Partial sunlight; not heat-tolerant, hence not suitable for prolonged exposure to direct sunlight.
  • Care Needs
    Moderate. It’s essential to monitor moisture levels in the environment, adjusting watering frequency accordingly, as both excessive and insufficient water can lead to plant death.

Warm-Season Grasses Introduction

Warm-season grasses thrive in higher temperature climates, exhibiting optimal growth during summer, and are commonly found in subtropical and tropical regions. They possess heat and drought tolerance, maintaining good growth during hot summers and entering dormancy in winter.

Bermuda Grass

Also known as dog’s tooth grass, Bermuda grass features green to blue-green blades that spread through stolons, known for its robustness and strong soil retention capability, particularly famous for its drought tolerance.

  • Sunlight Requirements
    Full sunlight; thrives well in areas with ample light and exhibits drought tolerance.
  • Care Needs
    High. Although it grows rapidly and has strong regenerative abilities and traffic tolerance, it requires regular pruning to avoid encroaching on surrounding plants and is prone to diseases.

Zoysia Grass

Zoysia grass forms dense, deep green lawns, spreading slowly through rhizomes, known for its dense growth.

  • Sunlight Requirements
    Full sunlight; tolerant to high temperatures and drought, though it can tolerate some shade.
  • Care Needs
    Low maintenance, tolerant to foot traffic, but prone to grass diseases such as brown patch, blight, and leaf spot. If the grass turns yellow, becomes dry or wilted, it requires extra care. Check for insufficient fertilization or soil drainage issues leading to root rot. lawn diseases.

Bahiagrass

Bahiagrass features slender green leaves that can grow up to 12 inches (30 centimeters) long, with robust, segmented woody rhizomes.

  • Sunlight Requirements
    Partial sunlight, but requires at least six hours of sunlight daily; drought-tolerant.
  • Care Needs
    Moderate, as neglecting pruning will accelerate aging, necessitating regular trimming to maintain its aesthetic appeal.

St. Augustine Grass

St Augustine

St. Augustine grass has broad, rough-textured leaves in blue-green color, spreading through stolons to form dense lawns, with higher humidity requirements.

  • Sunlight Requirements
    Full sunlight; prefers ample sunlight and can tolerate occasional shade. Prolonged lack of sunlight may result in lighter lawn color and increase susceptibility to diseases like brown patch, powdery mildew, and root rot.
  • Care Needs
    Low. It’s drought-tolerant and traffic-tolerant, although slightly less so compared to Bermuda grass, allowing for more lenient management.

Centipede Grass

Centipede grass forms dense lawns through extensive stolon growth, featuring flat, wide, light green leaves.

  • Sunlight Requirements
    Low maintenance; although it has low tolerance to foot traffic, it grows without needing frequent mowing or fertilizing. It’s also known as “lazy grass”.
  • Care Needs
    Low. While it has lower tolerance to traffic, it doesn’t require special pruning or fertilization, earning it the nickname “lazy man’s grass.

NEXMOW Can Solve Various Types of Grass

Different grass species thrive in varied environmental conditions, with stronger traction characteristics often used for terrains with varying slopes, typically requiring lower mowing heights. When it comes to mow removal, mowing settings should be adjusted according to the characteristics of each grass species. The NEXMOW robotic mower, available in M1 and M1S models, offers distinct features suitable for different terrains and types of lawns.

NEXMOW M1 Robotic Mower

The world’s first wire-free robotic lawnmower, integrating RTK and 4G technology for precise positioning.

  • Suitable slope: Up to 25%, suitable for use in areas with minimal terrain variation such as flat grounds.
  • Mowing blades: 5 blades to ensure stable mowing operations.
  • Mowing height: 4-10 cm to avoid damage to the blade disc from obstacles like tree roots.
  • Battery life: Fully charged for 3 hours, operational for over 4 hours, suitable for commercial mowing tasks.
  • Suitable venues: Corporate parks, schools, airports, and sports fields such as soccer and baseball fields, typically located on flat terrain. Equipped with ultrasonic sensors to ensure safety of surrounding personnel, minimize noise, and reduce environmental impact.
  • Suitable grass types: Common grass types for flat lawn terrain include Kentucky bluegrass, tall fescue, and St. Augustine grass.

NEXMOW M1S RoboticMower

NEXMOW M1S RoboticMower

An evolution of the M1 model, designed to operate on even steeper slopes with a wider range of mowing heights, suitable for diverse terrains.

  • Suitable slope: Up to 45%, suitable for use in areas with significant terrain variations such as hillsides.
  • Mowing blades: 10 blades for enhanced lawn precision.
  • Mowing height: 2-9 cm, lower blade settings create a finer lawn environment. It can easily handle higher grass due to infrequent maintenance. Provides greater flexibility for various application environments.
  • Battery life: Fully charged for 3 hours, operational for over 5 hours, suitable for prolonged mowing needs in large areas.
  • Suitable venues: Resorts, riverside parks, and camping grounds located on slopes. Especially suitable for golf courses, which often require mowing on slopes, greens, tee boxes, fairways, roughs, etc., with varying height requirements. Can operate at night with low noise, minimizing disruption during site use.
  • Suitable grass types: Common grass types for sloped terrain include rye grass, creeping red fescue, Bermuda grass, zoysia grass, buffalo grass, and centipede grass.

Lawn Classification and Appropriate Tools

Grass Species

Mowing Height (inches)

Mowing Height (centimeters)

Common Spaces

Terrain Variations

Suitable Mowers

Kentucky bluegrass

2.5 – 3.5

6.35 – 8.89

Residential lawns, parks, sports fields

Moderate

NEXMOW M1

Tall Fescue

2.5 – 4

6.35 – 10.16

Sports fields, parks

Moderate

NEXMOW M1

Perennial Ryegrass

1.5 – 2.5

3.81 – 6.35

Golf course putting greens

Significant

NEXMOW M1S

Agrostis palustria

1.5 – 2.5

3.81 – 6.35

Golf course fairways

Significant

NEXMOW M1S

Bermuda Grass

0.5 – 1.5

1.27 – 3.81

Sports fields, golf course fairways and putting greens

Significant

NEXMOW M1S

Zoysia Grass

0.5 – 2

1.27 – 5.08

Sports fields, golf course fairways and putting greens

Significant

NEXMOW M1S

Bahiagrass

2 – 3

5.08 – 7.62

Parks, residential lawns, embankments

Significant

NEXMOW M1S

St. Augustine Grass

2.5 – 4

6.35 – 10.16

Residential lawns, parks

Moderate

NEXMOW M1

Centipede Grass

1 – 2

2.54 – 5.08

Residential lawns, parks, golf course roughs

Significant

NEXMOW M1S

Mowing is a specialized task influenced by different climates, terrains, and the intended use of the space. Grass species with high traffic tolerance are crucial for parks used for games and entertainment. Golf courses, with their various areas like putting greens, fairways, and roughs, require specific grass species for both functionality and aesthetics. NEXMOW robotic mowers not only provide convenient mowing solutions but also offer fleet management capability, allowing up to 10 mowers to work simultaneously. This increases productivity while creating uniform grass patterns, enhancing the landscape’s elegance. NEXMOW revolutionizes mowing solutions, offering new possibilities!

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