Vetivergrass (Chrysopogon zizanioides)

Also known as: Vetiver, Khus, Vetiver Grass

Vetivergrass is a hardy, light green grass known for its slender structure and deep root system. While its roots are indeed used for essential oils in flavorings and medicinal products, its environmental benefits are particularly noteworthy. Vetivergrass excels in soil and water conservation due to its remarkable tolerance to heavy metals and ability to grow in contaminated soils, including those affected by spilled fuel. This makes it an effective solution for stabilizing soil, preventing erosion, and improving water quality by filtering pollutants. Its resilience and versatility contribute significantly to sustainable environmental management.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Vetivergrass

Lifespan

Perennial

Plant Type

Grass

Plant Height

1.2 m to 2.5 m

Spread

90 cm to 1.2 m

Leaf Color

Green

Flower Size

20 cm to 30 cm

Flower Color

Purple Brown Yellow Green

Images of Vetivergrass

Quickly Identify Vetivergrass

Rigidly upright posture with light green, textured leaves up to 4-5 feet (1.2-1.5 meters) high.

Narrow, 6-inch (15 cm) long panicles with brownish-purple flowers in late summer to early autumn.

Long, narrow, erect leaves reaching 10 feet (3 meters) with V-shaped cross-section and white bands.

Thick, fleshy rhizome resembling ginger with reddish-brown exterior, up to 3 feet (90 cm) long.

Versatile perennial grass adaptable to container living with fragrant oil-producing roots.

Scientific Classification of Vetivergrass

Phylum

Vascular plants

Class

Monocotyledons

Order

Grasses, sedges and allies

Family

Grass

Genus

Khus Khus

Species

Vetivergrass

Planting and Growing of Vetivergrass

Care Difficulty

Easy

Watering Schedule

Every 3 days

Sunlight Requirements

Full sun

Sunshine Duration

6-12 hours

Ideal Temperature

77-86℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Vetivergrass?

Chrysopogon zizanioides, commonly known as vetiver, requires moderate watering. Ensure the soil is moist but not waterlogged. Water thoroughly until 300ml per application seems to seep out from the bottom of the pot, indicating saturation.

What are the symptoms of an underwatered Vetivergrass? ›

What should I do if my Vetivergrass is not getting enough water? ›

What are the symptoms of an overwatered Vetivergrass? ›

How to save an overwatered Vetivergrass? ›

What Are the Sunlight Requirements for Vetivergrass?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours daily

Chrysopogon zizanioides thrives best in full sun to partial sun, allowing it to develop strong roots and enhance its essential oil production, crucial for its aromatic uses.

Solution for Ideal Lighting ›

Measures to Achieve Ideal Lighting ›

Effects of Ideal Lighting ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Vetivergrass?

Ideal Temperature: 77 ~ 86℉

Chrysopogon zizanioides, commonly known as vetiver, thrives best in temperatures ranging from 77 to 86°F. These temperatures provide an optimal environment for photosynthesis and nutrient absorption, enabling the plant to grow robustly. Such conditions mimic the plant's natural tropical habitat, where warmth is consistent.

What Soil is Best for Vetivergrass?

Soil type: Sandy soil, Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Chrysopogon zizanioides thrives in soils with excellent drainage to prevent waterlogging, which can lead to root rot. Ensuring proper drainage is crucial as it helps the plant maintain optimal moisture levels without drowning its roots. This plant benefits from a nutrient-rich soil, which can support its vigorous growth and aromatic oil production. A fertile soil provides essential nutrients that enhance the health and productivity of Chrysopogon zizanioides. While rich in nutrients, the soil should not be overly fertile, as excessive nutrients may lead to uncontrolled growth, resulting in poorer oil quality. Maintaining moderate fertility encourages healthy, sustainable growth of the plant.

How to Fertilize Vetivergrass?

Fertilizer type: Balanced

Chrysopogon zizanioides benefits from a moderate fertilization routine. For liquid fertilizers, use a solution diluted to half or quarter strength. Make sure to follow the manufacturer's recommendations and avoid over-concentration. Use approximately 2-4 liters of diluted liquid fertilizer per square meter.

How to Prune Vetivergrass?

Pruning Time: Spring, Summer, Autumn

Start by assessing the plant for any dead, damaged, or diseased leaves and stems. Using your garden shears, carefully remove these parts, ensuring you cut back to the base if the entire stem is compromised. This helps redirect energy to healthier parts of the plant. To maintain an attractive shape and manage its size, evenly trim the foliage by about one-third of its height. This encourages a more compact and lush growth. Be mindful to keep a balanced appearance by working around the plant in small sections. After the primary pruning, check for any emerging shoots and lightly trim around them. This ensures light and air reach younger parts, promoting exuberant growth. Be cautious not to cut the new shoots themselves, as they are vital for the plant’s development. More About Pruning Techniques→

How to Propagate Vetivergrass plant?

Propagate Time: Early spring,Late spring,Early summer

Before dividing, ensure the plant is well-watered to make the soil moist and easier to work with. This will also help the roots recover faster after division.

Use a sharp spade to cut the root clump into sections. Each section should have a good root system and at least a few shoots to promote new growth.

Replant the divisions immediately in prepared soil. Make sure they are planted at the same depth as originally growing to minimize transplant shock.

How to Repot Vetivergrass plant?

Repotting frequency: Every 1-2 years

Chrysopogon zizanioides often signals the need for repotting when its roots start to outgrow the current container. You may also notice less growth or the soil becomes compacted too quickly. Spring and summer are ideal times, as the plant can recover and flourish with new growth.

Choose a pot that is only slightly larger than the current one, with ample drainage holes to prevent waterlogging. A pot that's too large may hold excess moisture, leading to root rot. The right size allows the plant to grow steadily and stay healthy.

A well-draining potting mix is crucial for Chrysopogon zizanioides to prevent water accumulation. This type of soil facilitates good air exchange and root health, reducing the risk of disease. It should support the plant's nutrient requirements efficiently.