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How Tall Does Grass Grow? (Pampas, Bermuda, Mondo Etc.)

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We see different types of grasses everywhere. Sometimes, grasses grow randomly in your garden or lawn.

Sometimes, you might grow grasses to enhance the outlook of your garden or lawn. Grasses can be different types like Pampas, Bermuda, Mondo, Lemongrass, Zebra, Cat grass, etc.

You might have seen grasses with different heights. You might be confused about how tall grass grows.

Well, you have to know details about the types and species of grasses. Moreover, the requirements of growing tall grasses. Because if you want to grow grasses or reduce the height of grasses, you have to know the growth rate.

How tall does grass grow?

Generally, grass grows from 18 to 24 inches. Some might grow taller than this range. But the average range of grass heights is 18 to 24 inches. Some grasses creep when they are mature enough, so their ultimate height will be short. Grass grows 2 to 6 inches per month as per their growth rate.

A lot of varieties of grasses are available around us. These grasses might grow in different regions according to their growth environment. So, they also have different heights. Let’s see how tall these grass can grow.

Pampas grass:

Pampas grass is pretty tall grass. Generally, pampas grass can grow up to 10 feet. They also contain seasonal silvery-white plumes. The growth rate of pampas grass is also pretty high. Even this grass can germinate within 21 days.

Bermuda grass:

Generally, the Bermuda grass can grow in different heights from 4 feet to 12 feet. Sometimes, the Bermuda grass is so tall that it can make a place invisible.

So, if you are planning to grow grass in your garden or lawn, Bermuda grass will be a wrong decision.


Lemongrass is a pretty common and effective grass to grow in our houses. Generally, lemongrass doesn’t grow too long. Their average height is between 2 to 5 feet.

So, you can grow lemongrass in your garden or lawn. Moreover, the growing rate of lemongrass is also fast.

Tiger grass:

Tiger grass grows too high. Even it has a tree-like structure. So, you can’t trim this type of grass. Generally, tiger grass grows up to 12 feet.

So, it will not be wise to plat this grass into your lawn or garden. Moreover, tiger grass grows so fast that it can be fully grown within 2 years.

Mondo grass:

Mondo grass doesn’t grow too tall. Generally, the height of Mondo grass can be 6 to 10 inches. Sometimes, the height can reach up to 1 foot. But this grass is suitable to grow on the lawn.

You can trim the grass according to your preference. Moreover, you can plant Mondo grass inside your house.

Zebra grass:

Zebra grass is also a type of tall grass. Generally, Zebra grass can be tall from 4 to 6 feet. The growth rate of Zebra grass is also pretty fast.

Moreover, Zebra grass also contains flowers that add more height to the grass. When Zebra grass has flowers, it can be tall up to 8 feet.

Zoysia grass:

Zoysia grass is also small to medium size grass. This grass can reach a height from 6 to 12 inches. That means this type of grass is suitable to grow indoors or on your lawn. This type of grass is often seen in the fields or open places.

Cat grass:

Cat grass is one type of tiny grass. Cat grass can reach up to 4 inches. This type of grass is suitable to grow in the places where you walk regularly.

Pink muhly grass:

Pink Muhly grass can be 4 to 5 feet tall. You can also trim the grasses according to your preference. This type of grass generally grows quickly.

Ornamental grass:

Ornamental grasses grow very long and wide. Their colorful flowers also make them long taller. Generally, ornamental grass can grow up to 7 feet.

Fescue grass:

Fescue grasses are medium tall. They can grow up to 3 feet. You can also trim this type of grass because they are easy to modify. The growth rate of Fescue grass is also quick.

Monkey grass:

Monkey grass doesn’t grow too high. Generally, monkey grass can be 10 to 18 inches tall. Moreover, this type of grass has a special outlook with wide leaves. So, you can grow this type of grass in your house and lawn.

Orchard grass:

Orchardgrass can be tall up to 4 feet. Generally, Orchardgrass is pretty tall and the growth rate is also high. So, you have to trim the height if you want to grow this type of grass in your garden or lawn.

But growing orchard grass in the garden is not recommended. Because it can make other plants invisible and unattractive.

Purple fountain grass:

Purple fountain grass is one of the most beautiful flowers. Purple fountain grass looks like a fountain with its purple flowers. Generally, purple fountain grass grows from 2 to 4 feet tall.

Buffalo grass:

Buffalo grasses are pretty small. This type of grass is generally 8 to 10 inches tall. So, buffalo grass is suitable to grow indoors. But growing this grass in the lawn is not recommended because this grass has sharp leaves.

Citronella grass:

Citronella grasses are tall grasses. They can grow up to 6 feet. So, Citronella grass can grow one or two inches in two weeks. These grasses are pretty fast-growing grasses.

Horsetail grass:

Horsetail grass is also a small type of grass. This grass can grow from 6 to 12 inches. But you have to be ensured about growing this grass in any place. Because horsetail grass has a unique appearance of spikes.

Japanese blood grass:

Japanese blood grass can be 1 to 3 feet tall. Generally, this grass is medium height type. Moreover, the red color of the glass makes it look more attractive. So, you can grow Japanese blood grass on your lawn or indoors.

Porcupine grass:

Porcupine grass is pretty tall. Generally, porcupine grass can grow up to 8 feet. This type of grass is very fast growing. Even they can grow within 3 months.

Barley grass:

Barley grass can be tall up to 1.5 feet. Generally, we see this type of grass in the field. But you can also grow them in your garden. Barley grass can grow up to 8 inches in two weeks.

How quickly does grass grow from seed?

You can grow grass from the seed also. Because seeds are a pretty effective and fast-growing process. Generally, if you plant grass seeds, the seeds will start to grow from the second day. But you might not notice from outside.

Generally, grass can grow from seed within 5 to 10 days. You will see the growth of one or two inches of grass from the ground. After germination, grass can grow pretty fast. You will see the grass is growing 2/3 cm per week.

So, if you grow grass from seed, the grass will still grow quickly and effectively. But you need to ensure the proper soil and environment.

Why is my grass not growing tall?

Each type of grass has a growth rate. If your grass is not growing tall according to the actual growth rate, there might be a problem. So, let’s see why your grass is not growing tall.

  • Your grass might be in inappropriate soil.
  • Your grass might not be getting proper sunlight.
  • The grass might be in lack watering or excessively dry.
  • Your grass might be overwatered.
  • The soil of your grass might be in lack nutrients or fertilizers.
  • Your grass might be facing a disease or problem.

How to grow long grass?

If you want to grow long grass, you have to choose a grass type that is tall. But still, if your grass is not growing tall, let’s see how you can grow long grass.


You have to keep the watering level optimum. For example, you have to keep the soil moist by watering regularly. But you can’t overwater the grass. This might lead to root problems.


You have to ensure proper sunlight to your grass. If the grass is in the shaded area, it will not grow well.

Drainage system:

The grass soil should have a good drainage system. Otherwise, overwatering and water trapping will hamper the growth of the grass.


Try to grow grass from seeds in autumn and spring. Because in this season the soil temperature remains suitable to grow grass.

Final Thoughts

Some grasses can grow 1 to 2 feet that are in the small range. But some types of grasses can be too tall. For example, some grasses can reach up to 8 to 12 feet. How tall grass will grow depends on the type of grass and the environment the grass gets. So, each grass has different growth.

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