How To Plant Pampas Grass [ Full Guide ]

Pampas grass (Cortaderia selloana) is a stunning, ornamental grass known for its tall, feathery plumes and its ability to add visual interest and texture to landscapes. Native to South America, pampas grass has gained popularity as a landscaping plant due to its low maintenance and tolerance to various growing conditions. Planting pampas grass can be a rewarding and relatively straightforward process if done correctly. This comprehensive guide will walk you through the essential steps and considerations for successfully planting and cultivating pampas grass in your garden or landscape.

Quick Answer: How To Plant Pampas Grass

To plant pampas grass, choose a sunny location with well-draining soil. Dig a hole twice as wide and deep as the root ball. Place the plant in the hole and backfill with soil. Water thoroughly and mulch around the plant to retain moisture. Prune any damaged or dead foliage, and ensure regular watering and fertilization for optimal growth.

Understanding Pampas Grass: An Introduction

Before delving into the specifics of planting pampas grass, it’s essential to understand the nature of this plant. Pampas grass is a perennial grass species that can grow up to 10 feet tall and 6-8 feet wide. The plant features long, slender leaves and produces characteristic fluffy flower plumes that can reach up to 12 feet in height. These plumes, which appear in late summer to early fall, create an impressive display in any landscape, making pampas grass a highly sought-after ornamental plant.

Pampas grass is adaptable and can thrive in a variety of climates, including coastal areas with sandy soil, as well as inland locations with loamy or clay soils. It is also drought-tolerant once established, making it a versatile addition to gardens in many regions.

Choosing The Right Location: Factors To Consider

Selecting the proper location for planting pampas grass is crucial for its long-term growth and health. Consider the following factors when choosing a location for your pampas grass:


Pampas grass thrives in full sunlight, so it is essential to choose a location that receives at least 6-8 hours of direct sunlight daily. Insufficient sunlight can lead to sparse growth and reduced flowering.


Given its large size, pampas grass requires ample space to spread out and reach its full potential. Be sure to plant it in an area with enough room for the plant to grow to its mature dimensions without overcrowding neighboring plants or structures.

Soil Drainage

Pampas grass prefers well-draining soil and is susceptible to root rot in waterlogged conditions. Avoid planting it in areas with poor drainage, such as low-lying areas or heavy clay soils. If your soil tends to retain water, you can amend it with organic matter to improve its drainage properties.


While pampas grass is adaptable, it generally thrives in temperate climates. It is hardy in USDA zones 7-10, but certain cultivars can tolerate colder temperatures down to zone 6 with proper protection during winter.

Soil Preparation: Steps For Optimal Growth

Preparing the soil before planting is essential to ensuring that pampas grass establishes itself successfully and flourishes in its new environment. Follow these steps for optimal soil preparation:

  1. Clear the Area: Remove any existing vegetation and debris from the planting site. This will give the pampas grass room to grow without competing with other plants or weeds.

  2. Soil Testing: Conduct a soil test to determine the pH and nutrient levels of the soil. Pampas grass thrives in slightly acidic to neutral soil with a pH range of 6.0-7.5. If the soil is outside of this range, adjust it by adding amendments such as lime to raise the pH or sulfur to lower it.

  3. Loosening the Soil: Use a garden fork or a tiller to loosen the soil to a depth of at least 12 inches. This aerates the soil and promotes better root penetration, essential for the establishment of healthy plants.

  4. Incorporate Organic Matter: Mixing in organic matter, such as compost or well-rotted manure, improves soil structure, enhances drainage, and adds essential nutrients for the pampas grass to thrive. Aim to incorporate a 2-4 inch layer of organic matter into the soil.

Propagation Techniques: Seeds Vs. Division

Pampas grass can be propagated either from seeds or by division, each method offering its own set of advantages and challenges. Understanding the differences between these two techniques can help you decide which approach is best suited for your specific needs and circumstances.



  • Availability: Pampas grass seeds are readily available from nurseries and online suppliers.
  • Variety: Seed propagation allows for genetic diversity, potentially producing new cultivars or variations.
  • Cost: Growing from seeds can be more cost-effective than purchasing mature plants.


  • Germination: Pampas grass seeds have a moderate to low germination rate and may take several weeks to months to sprout.
  • Patience: Growing from seed requires more time and patience to establish mature plants.



  • Established Plants: Division involves separating healthy, established clumps of pampas grass, providing a head start in growth compared to seedlings.
  • Immediate Impact: Dividing and transplanting mature clumps can create an instant visual impact in your landscape.


  • Labor-Intensive: Division requires physical effort to separate and transplant large, established clumps of pampas grass.
  • Root Damage: Improper division techniques can damage the roots, leading to setbacks in plant establishment.

Ultimately, the decision to propagate pampas grass from seeds or by division depends on your specific goals, available resources, and timeline. Both methods can be successful when executed properly, and a combination of both approaches can also be used to introduce diversity and accelerate the establishment of pampas grass in your landscape.

Planting pampas grass can elevate the aesthetic appeal of your garden while requiring relatively low maintenance once established. By carefully considering the location, preparing the soil, and choosing the appropriate propagation method, you can ensure the successful establishment and long-term vitality of pampas grass in your landscape. Whether you opt for the striking plumes of the female pampas grass or the more compact growth habits of the male cultivars, the addition of pampas grass can bring a touch of elegance and a sense of movement to your outdoor space. With proper care and attention to its specific requirements, pampas grass can thrive, providing you with a spectacular and enduring landscape feature for years to come.

Timing Matters: Planting Pampas Grass At The Right Time

Pampas grass (Cortaderia selloana) is a striking and popular ornamental grass known for its tall plumes and graceful appearance. Native to South America, this perennial grass has become a favorite in gardens around the world due to its unique texture and visual appeal. Planting pampas grass requires careful consideration of timing, proper preparation, and ongoing maintenance.

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Before delving into the process of planting pampas grass, it’s essential to understand the significance of timing. Pampas grass should ideally be planted during the late spring or early summer, when the soil is warm and there is a lower risk of frost. This allows the grass to establish its root system effectively before the colder months arrive.

Steps For Planting Pampas Grass: A Step-by-Step Guide

To ensure successful establishment and growth of pampas grass, follow these step-by-step instructions:

  1. Selecting the right location: Pampas grass thrives in full sun and well-draining soil. Choose a spot in your garden that receives at least six hours of direct sunlight each day. Additionally, ensure that the soil is loose, fertile, and drains well to prevent waterlogged conditions, which can be detrimental to the grass’s health.

  2. Preparing the planting area: Before planting, remove any existing vegetation, weeds, or grasses from the designated area. Pampas grass requires ample space to grow, so clear a large enough area for the mature size of the grass clumps, which can reach up to ten feet in height and width.

  3. Soil preparation: Pampas grass prefers a slightly acidic to neutral soil pH, ranging from 6.0 to 7.5. Test the soil pH and adjust it if necessary by adding soil amendments such as lime or sulfur. Make sure to follow the recommended application rates on the product packaging.

  4. Enhancing soil fertility: Pampas grass benefits from nutrient-rich soil. Before planting, incorporate organic matter like compost or well-rotted manure into the soil to improve its fertility. This helps to provide essential nutrients and promotes healthy root development.

  5. Planting pampas grass: Dig a hole in the prepared soil that is wide and deep enough to accommodate the root ball of the pampas grass plant. Gently remove the grass from its container and place it in the hole, ensuring that the crown of the plant sits level with the soil surface. Backfill the hole with soil, gently firming it around the roots to remove any air pockets.

  6. Spacing considerations: Pampas grass requires ample spacing between plants to allow for proper air circulation and growth. Leave a minimum distance of six to eight feet between each plant to ensure they have enough room to thrive without overcrowding.

  7. Watering: After planting, thoroughly water the newly planted pampas grass until the soil is moist to a depth of at least six inches. This promotes root establishment and helps the grass adapt to its new environment.

  8. Mulching: Apply a layer of mulch around the base of the pampas grass plants. Mulching helps conserve soil moisture, suppress weeds, and regulate soil temperature. Use organic mulch materials such as wood chips or straw, and maintain a layer that is two to three inches thick. Be careful not to bury the crown of the grass under the mulch, as this can cause rotting.

  9. Stake support: If you are planting large varieties of pampas grass that can easily become top-heavy, consider using stakes to provide additional support until the roots become well-established. This prevents the grass from bending or breaking due to strong winds.

  10. Pruning: While not directly related to planting, it’s worth mentioning that pampas grass requires annual pruning to remove dead foliage or damaged portions. Prune the grass during late winter or early spring before new growth emerges. Be sure to wear gloves and long sleeves when pruning as pampas grass has sharp-edged leaves that can cause irritation.

Watering Pampas Grass: Dos And Don’ts

Proper watering is crucial for the health and growth of pampas grass. Here are some dos and don’ts regarding watering practices:


  1. Establishment period watering: During the first growing season, it is essential to provide frequent and deep watering to assist the grass in developing a strong root system. Water deeply, approximately once a week, ensuring the soil is moist to a depth of six inches. This allows the roots to establish and penetrate deeper into the soil, making the grass more resilient.

  2. Water during dry spells: Pampas grass is relatively drought-tolerant once established. However, during extended periods of dry weather, provide supplementary watering to prevent stress on the grass. Irrigate deeply and infrequently to encourage deep root growth, rather than shallow watering that promotes shallow roots.

  3. Monitor soil moisture: Regularly assess the soil moisture levels in the root zone of the pampas grass. Stick your finger into the soil to a depth of a few inches, and if it feels dry, it’s time to water. If the soil feels adequately moist, delay watering to prevent over-saturation.


  1. Overwatering: Pampas grass does not tolerate overly wet soil, which can lead to root rot and other fungal diseases. Avoid overwatering, especially in poorly draining soils or areas prone to waterlogging. Allow the soil to dry out slightly between waterings to avoid excessive moisture.

  2. Shallow watering: Superficial watering encourages shallow rooting and weakens the grass. To promote healthy growth, always water deeply and allow the excess water to percolate down into the soil.

Fertilizing Pampas Grass: Best Practices

While pampas grass is relatively low-maintenance and can tolerate nutrient-poor soils, providing proper nutrition can enhance its growth and overall health. Here are some best practices for fertilizing pampas grass:

  1. Soil testing: Before fertilizing, it is helpful to conduct a soil test to determine the nutrient deficiencies, if any, and the unique needs of your pampas grass. This allows for precise fertilizer application based on the specific requirements of the grass.

  2. Choosing the right fertilizer: When selecting a fertilizer, opt for a slow-release or controlled-release variety. These types gradually supply nutrients to the grass over an extended period, reducing the risk of nutrient leaching and minimizing the need for frequent applications.

  3. Timing: Apply fertilizer in early spring, just as new growth begins. This provides the grass with essential nutrients for the upcoming growing season. Avoid fertilizing in late summer or fall, as this can stimulate late-season growth that may not have time to harden off before winter.

  4. Application rate and technique: Follow the fertilizer manufacturer’s instructions for the recommended application rate. Distribute the fertilizer evenly over the soil surface around the base of the pampas grass, taking care not to let it come into direct contact with the foliage or crown of the plant. Water the area thoroughly after fertilizing to help the nutrients penetrate into the root zone.

  5. Organic options: If you prefer organic fertilizers, consider using compost, well-rotted manure, or other natural amendments. These provide slow-release nutrients and improve soil structure over time.

  6. Avoid excessive fertilization: Over-fertilization can lead to excessive leaf growth, which can make the grass top-heavy and prone to flopping. Follow the recommended application rates and avoid overdoing it with fertilizers.

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Controlling Weeds And Grasses In The Area

Weeds and invasive grasses can compete with pampas grass for nutrients, water, and sunlight, hampering its growth. Here are some tips for effectively controlling weeds and grasses in the area:

  1. Manual removal: Regularly inspect the area surrounding the pampas grass and manually remove any weeds or grasses that appear. Use a garden trowel or hand-pull them, ensuring you remove the entire root to prevent regrowth.

  2. Mulching: As mentioned earlier, applying mulch around the base of the pampas grass helps suppress weeds by blocking sunlight and preventing weed seed germination. Mulch also adds an aesthetic touch to the garden while promoting soil moisture retention.

  3. Pre-emergent herbicides: Consider using pre-emergent herbicides to control weed seeds in the soil before they have a chance to germinate. Follow the product instructions carefully and apply the herbicide before the weeds emerge.

  4. Selective herbicides: If weeds or grasses persist or become particularly problematic, selective herbicides formulated for grassy weeds can be used. These herbicides target grassy weeds while sparing the pampas grass. However, exercise caution and follow the product instructions to avoid damaging desirable plants.

Planting pampas grass can be a rewarding addition to any garden landscape, provided proper care is taken during the process. Remember to choose the right location with adequate sunlight and well-draining soil, prepare the planting area properly, and water and fertilize according to the grass’s needs. Regular maintenance, such as pruning and weed control, ensures the health and visual appeal of the pampas grass. By following these guidelines and best practices, you can enjoy the stunning beauty of pampas grass in your garden for years to come.

Pruning Pampas Grass: When And How

Pampas grass (Cortaderia selloana) is a tall, perennial grass that is native to South America. Known for its striking plumes and graceful appearance, pampas grass has become a popular choice for landscaping and as a focal point in gardens. Planting and growing pampas grass can be a rewarding experience, but it requires careful planning and maintenance.

Pruning pampas grass is essential for keeping it healthy and maintaining its elegant appearance. Here are some tips on when and how to prune pampas grass:

  1. Timing – The best time to prune pampas grass is in late winter or early spring, before new growth starts. Pruning during this time allows the grass to regenerate and ensures that new growth is not damaged by frost or cold weather.

  2. Safety first – Before pruning, make sure to wear protective clothing, including gloves and long sleeves, as pampas grass leaves have sharp edges that can cause irritation.

  3. Clear the area – Remove any debris or dead foliage around the base of the grass to provide a clear working space.

  4. Pruning technique – Use a pair of sharp shears or a power trimmer to prune pampas grass. Start by cutting the grass back to about 6 to 12 inches above the ground. Carefully remove any dead or damaged leaves, being mindful of the sharp edges. Avoid cutting too close to the ground, as this can weaken the plant.

  5. Dispose of trimmings – In order to prevent the spread of seeds and possible regrowth, it’s important to properly dispose of the trimmings. Bag them up and throw them away or burn them if regulations in your area permit.

Remember, pampas grass can grow quite large, with the plumes reaching up to 10 feet or more in height. Regular pruning will help keep the grass in check and promote healthy growth.

Dividing And Transplanting Pampas Grass: Tips And Tricks

Dividing and transplanting pampas grass can be done to control its size, rejuvenate an older plant, or simply to propagate the grass. Here are some tips and tricks to successfully divide and transplant pampas grass:

  1. Timing – Late winter or early spring, when the grass is still dormant, is the best time to divide and transplant pampas grass. Choose a day when the weather is mild and there is no risk of frost.

  2. Prepare the new location – Before dividing the grass, prepare the new planting location. Ensure that the soil is well-drained and enriched with organic matter. Pampas grass prefers full sun and soil with a slightly acidic to neutral pH.

  3. Dividing the grass – To divide the grass, start by cutting back the plumes to about 2 feet above the ground. Use a sharp shovel or garden fork to dig around the outer perimeter of the plant, going as deep as possible to expose the roots. Gently lift the clump of grass out of the ground and shake off any excess soil.

  4. Separating the clumps – Once the clump is out of the ground, carefully separate it into smaller clumps. Use a sharp knife or garden shears to divide the clumps at the base, ensuring that each new clump has a healthy set of roots and foliage.

  5. Transplanting – Dig a hole in the prepared planting location that is wide and deep enough to accommodate the roots of the new clump. Place the clump in the hole, making sure that the crown of the grass is just above the soil level. Backfill the hole with soil, gently firming it down around the roots.

  6. Watering and mulching – After transplanting, water the newly divided pampas grass thoroughly to help settle the soil. Apply a layer of mulch around the base of the plant to conserve moisture and suppress weed growth.

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It’s important to note that pampas grass can be quite invasive if not properly contained. When dividing and transplanting, be sure to remove any unwanted clumps and monitor the grass to prevent it from spreading beyond its designated area.

Overcoming Common Pampas Grass Problems

While pampas grass is generally easy to grow, it can face several common problems. Here are some solutions to overcome these issues:

  1. Overcrowding – If your pampas grass becomes overcrowded or too large for its location, the plant may start to lose its vigor. Dividing and transplanting the grass can help rejuvenate it and prevent overcrowding.

  2. Disease and pests – Pampas grass is usually resistant to diseases and pests. However, it can occasionally encounter issues such as leaf spots or aphids. Applying a fungicide or an insecticidal soap can help combat these problems. Make sure to follow the product instructions carefully.

  3. Winter damage – Severe winter conditions, especially frost or snow, can damage pampas grass. To protect the grass from such damage, consider wrapping the plumes with burlap or a protective covering in late fall. This will help shield the grass from harsh weather conditions.

  4. Invasive spread – Pampas grass is known for its potential to become invasive if not properly managed. To prevent its spread, regularly remove any unwanted seed heads and unwanted clumps. Keep an eye out for any signs of regrowth beyond the designated area and promptly remove it.

  5. Watering and drainage – Pampas grass prefers well-drained soil and does not tolerate overly wet conditions. Ensure that the planting location has adequate drainage to prevent waterlogged roots. Water the grass deeply but infrequently, allowing the soil to dry out between waterings.

By being proactive and addressing these common problems, you can ensure that your pampas grass remains healthy and attractive in your garden.

Enjoying Pampas Grass: Creative Landscape Ideas

Pampas grass can add a touch of beauty and elegance to any landscape. Here are some creative ideas for incorporating pampas grass in your garden:

  1. Privacy screen – Plant a row of pampas grass in your backyard to create a natural privacy screen. The tall plumes provide a visual barrier while adding a soft, feathery texture to the landscape.

  2. Focal point – Use pampas grass as a centerpiece in your garden. Plant a single clump or a group in a prominent location to draw attention and add vertical interest.

  3. Mixed borders – Incorporate pampas grass into mixed borders alongside other perennials and shrubs. The tall plumes can provide a beautiful backdrop to lower-growing plants, creating a stunning visual display.

  4. Poolside beauty – Plant pampas grass around your pool area to create a tropical ambiance. The graceful plumes will sway in the breeze, adding a touch of tranquility to your outdoor space.

  5. Dried arrangements – Pampas grass is popular for dried flower arrangements. Cut the plumes at their peak and hang them upside down to dry. Once dried, they can be used in various floral displays, wreaths, or even in a vase on their own.

  6. Wildlife habitat – Pampas grass provides shelter and nesting sites for birds, making it an excellent addition to wildlife-friendly gardens. The plumes also attract butterflies and other pollinators, adding life and movement to your garden.

Remember to consider the mature size of pampas grass when planning your landscape design. Leave ample space for the grass to grow without overcrowding other plants or structures.


Planting and growing pampas grass can be a rewarding experience, with its graceful plumes and striking appearance. By following proper pruning techniques, dividing and transplanting with care, and addressing common problems, you can ensure the health and beauty of your pampas grass. Incorporating it into your landscape with creative ideas will elevate the aesthetics of your garden. So, whether you’re looking for a privacy screen, a focal point, or a beautiful addition to dried arrangements, pampas grass is an excellent choice for any garden. Enjoy its elegance and charm for years to come.


What Kind Of Soil Is Best For Pampas Grass?

Pampas grass grows best in rich, well-draining soil. It can tolerate various soil types, but for optimal growth, choose a soil that is loamy and has a pH level of 6-8.

When Is The Best Time To Plant Pampas Grass?

The best time to plant pampas grass is in the late spring or early summer, after the threat of frost has passed. This will give the plant enough time to establish its roots before the colder months.

How Much Space Should I Leave Between Pampas Grass Plants?

Pampas grass can grow up to 8-12 feet wide, so it is important to space the plants at least 3-5 feet apart to allow for proper growth and air circulation.

How Deep Should I Plant Pampas Grass?

When planting pampas grass, the hole should be deep enough to accommodate the root ball of the plant. A good rule of thumb is to dig a hole that is twice the size of the root ball, or about 1-2 feet deep.

Does Pampas Grass Need A Lot Of Water?

While pampas grass is drought-resistant, it still needs regular watering until it is fully established. Water deeply and evenly, making sure the soil stays moist but not waterlogged. Once the plant is established, it will only need watering during dry spells.