The Yellow Snake Plant (Sansevieria trifasciata 'Laurentii'), also known as Mother-in-law's Tongue, is a popular and hardy houseplant with striking appearance and minimal care requirements. It’s a variegated cultivar of the classic snake plant (Sansevieria trifasciata) and is famous for its unique, upright, sword-like leaves and distinct yellow-edged variegation. Here’s a detailed description:

Key Features of the Yellow Snake Plant:
Foliage:

The leaves are long, stiff, and upright, typically reaching heights of 2 to 3 feet (60-90 cm).
The leaves have dark green centers with light green horizontal banding, and the edges are bordered by a bright yellow stripe, giving it a vibrant and dramatic look.
The leaves grow vertically, often in a rosette pattern, and they have a leathery texture that is smooth to the touch.
Growth Habit:

The Yellow Snake Plant grows in a compact, upright form and does not spread out widely, making it suitable for smaller spaces like offices or apartments.
It has a slow to moderate growth rate, and once mature, it tends to maintain its size for years with minimal maintenance.
Care Requirements:

Light: It thrives in bright, indirect light but is adaptable to low light conditions. It can tolerate some direct sunlight, although too much can lead to the leaves becoming scorched.
Watering: It is drought-tolerant and requires infrequent watering. Overwatering can lead to root rot, so it's best to let the soil dry out completely between waterings. In the winter months, reduce watering even further.
Soil: Prefers well-draining, sandy, or cactus-type soil.
Temperature: This plant enjoys warm temperatures and does well in typical indoor conditions. It should be kept away from drafts and cold air.
Humidity: Snake plants are adaptable to low humidity but thrive in average humidity levels.
Air-Purifying: Like other snake plants, the Yellow Snake Plant is known for its air-purifying qualities. It absorbs toxins such as formaldehyde and benzene, and it also releases oxygen at night, making it great for improving indoor air quality.

Toxicity: The plant is toxic to pets if ingested, so it's best to keep it out of reach of cats, dogs, and other animals.

Maintenance: Very low-maintenance, the Yellow Snake Plant is an excellent choice for beginners or people who have less time to care for plants. It's resilient to neglect and can survive in a variety of conditions, making it a great plant for both novice and experienced gardeners.

Flowering: While it rarely flowers indoors, when it does bloom, it produces small, fragrant, white or greenish flowers, typically at the base of the plant.

Summary:
The Yellow Snake Plant is a hardy, visually striking plant with upright, yellow-edged leaves that can add a touch of elegance to any room. It requires minimal attention, thrives in low light, and is an excellent air purifier. With its easy-going nature and dramatic appearance, it’s a popular choice for anyone looking for a low-maintenance yet beautiful houseplant.