Simply Trees

Mexican Feather Grass

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Once a monthFull sunDeer resistant
  • Ethereal Texture and Movement: The fine, hair-like foliage and feathery plumes sway gracefully in the wind, providing texture, movement, and a soft visual appeal.
  • Drought Tolerance: Once established, it is exceptionally drought-resistant, thriving in dry conditions and requiring minimal watering, making it an ideal choice for water-wise gardening.
  • Self-Seeding Capability: This grass can self-seed in favorable conditions, naturally spreading to fill in areas and create a cohesive landscape look with minimal effort.

More Details

Mexican Feather Grass, scientifically known as Nassella tenuissima, is a delicate and fine-textured ornamental grass that brings a sense of movement and softness to any garden setting. Celebrated for its slender, wispy foliage and airy flower plumes that dance in the slightest breeze, this grass adds a beautiful, ethereal quality to landscapes. Drought-tolerant and low maintenance, it is perfect for creating a natural, meadow-like appearance, adding texture to rock gardens, or softening the edges of borders. Its adaptability to a range of soil types and conditions, along with its minimal care requirements, make Mexican Feather Grass a favored choice for gardeners seeking to infuse their outdoor space with a touch of whimsy and elegance.

Growth rate: Fast growth rate; typically reaches 18-24 inches in height and 12-18 inches in width.

Please note: Images on our website depict plants and trees at full maturity to showcase their expected grown characteristics. These images are illustrative examples only and do not represent the size of plants or trees upon delivery.

Pruning: Cut back in late winter or early spring before new growth starts to keep it looking tidy and to encourage lush, fresh foliage.

Fertilization: Generally does not require fertilization. If desired, a light application of a balanced, slow-release fertilizer in spring can promote growth.

Winter Protection: In colder areas within its growing range, it typically remains evergreen but can benefit from a light mulch to protect roots in winter.


Plant in spring or fall. Choose a location that receives full sun to partial shade with well-draining soil. Dig a hole slightly larger than the root ball. Place the grass in the hole, backfill with soil, and water thoroughly. Space plants about 12-18 inches apart to allow for mature spread. Mulching is not necessary but can help retain soil moisture in very dry climates.

Water regularly after planting to establish roots. Once established, Mexican Feather Grass requires very little water, making it an excellent choice for drought-tolerant gardens and xeriscaping. Performs best in full sun, where it can produce the most vigorous growth and flowering. It can tolerate partial shade, especially in hotter climates, but may not be as dense or vigorous.

We process and ship your order as quickly as possible, typically within 1-3 business days. You will receive a shipping confirmation with tracking information once your item(s) ship.

We have perfected packaging and shipping plants & trees! That is why we DO NOT use any third-party fulfillment like most other online retailers. Your trees go straight from our farm to your door, safely packaged by our team of seasoned professionals. Our process ensures your plants leave our facility and arrive to your door in the best condition possible!

In cases of extreme cold or hot weather, we may temporarily delay shipping to ensure the well-being of your plants. Our primary focus is on delivering healthy and thriving plants to you. Rest assured, we'll make every effort to notify you of any delays promptly.

Please allow additional ship times during inclement weather and sale periods. We do not process or ship orders on the weekend or U.S. Holidays. Simply Trees is not responsible for delays due to carriers, local disruptions, or weather.

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At Simply Trees, we're committed to your satisfaction. If your plants arrive considerably damaged or sustained damage beyond the point of recovery, please contact us within five days at sales@simplytrees.store with clear photos for assistance. Our 30-day guarantee covers issues after planting, subject to our terms and conditions. We can't cover plants in the wrong climate or with inadequate care, but we're here to help in other situations. For a detailed understanding of our 30-day guarantee and how we ensure a fair process, click here to learn more.

USDA GROW ZONE:

Zones 7-10

Mexican Feather Grass thrives in USDA Zones 7-10, showcasing its versatility and resilience across a variety of climates. It prefers well-drained soil but can adapt to different soil types, from sandy to clay. Its ability to withstand heat and drought, along with its resistance to pests and diseases, makes it a robust and attractive option for gardeners looking to add texture and movement to their landscape with minimal maintenance.

Frequently Asked Questions

Mexican Feather Grass typically reaches a mature height and spread that contribute to its graceful, feathery appearance. Here's what you can expect in terms of size:

Height: Mexican Feather Grass generally grows to a height of about 1 to 2 feet under normal growing conditions. However, in ideal environments with ample sunlight, well-draining soil, and sufficient moisture, it may reach heights of up to 3 feet or slightly taller.

Spread: The spread of Mexican Feather Grass can vary depending on growing conditions and environmental factors. It typically forms clumps with a spread of around 1 to 2 feet. However, as the grass matures and self-seeds, it may gradually spread and form larger clumps over time.

Overall Appearance: Mexican Feather Grass has a fine, delicate texture and an airy, fountain-like growth habit. Its slender, arching foliage creates a soft, wispy effect that sways gracefully in the breeze, adding movement and visual interest to garden beds, borders, and naturalistic landscapes.

Containment: While Mexican Feather Grass is valued for its graceful appearance and ability to naturalize in the landscape, it can spread more aggressively in favorable growing conditions. Consider using containment measures such as edging or barriers to prevent it from encroaching on neighboring plants or spreading beyond desired boundaries.

By understanding the typical size and growth habits of Mexican Feather Grass, you can plan its placement in the landscape to ensure it complements other plants and features while maintaining its desired appearance and scale. Regular maintenance, including division and thinning if needed, can help control its spread and promote healthy growth.

Mexican Feather Grass is known for its relatively fast growth rate, particularly under favorable growing conditions. Here's what you can expect in terms of growth rate:

Establishment Period: During the first growing season after planting, Mexican Feather Grass focuses on establishing its root system. Growth during this period may be relatively slow as the plant dedicates energy to root development rather than top growth.

Subsequent Years: Once established, Mexican Feather Grass typically exhibits faster growth, especially during the spring and early summer when temperatures are warmer and daylight hours are longer. Under optimal conditions, it can grow several inches to a foot or more in height during the growing season.

Self-Seeding: Mexican Feather Grass is known to self-seed readily, which can contribute to its expansion and spread in the landscape. New seedlings may emerge near the parent plant or in nearby areas where seeds have dispersed. This natural propagation mechanism can lead to the formation of dense clumps or drifts over time.

Environmental Factors: Growth rate may vary depending on environmental factors such as sunlight, soil quality, moisture levels, and temperature. Mexican Feather Grass tends to grow more vigorously in full sun and well-draining soil, while growth may slow in shaded or poorly drained conditions.

Maintenance Practices: Regular watering, fertilization, and maintenance can also influence the growth rate of Mexican Feather Grass. Providing adequate water during dry spells and periodic fertilization can promote healthier, more vigorous growth.

Overall, Mexican Feather Grass is considered a relatively fast-growing ornamental grass, particularly compared to some other grass species. Its rapid growth and graceful appearance make it a popular choice for adding texture and movement to gardens, landscapes, and naturalistic plantings.

The best place to plant Mexican Feather Grass depends on its specific growing requirements and the desired aesthetic effect. Here are some considerations for selecting an ideal planting location:

Sun Exposure: Mexican Feather Grass thrives in full sun to partial shade. Choose a location that receives at least 6 hours of direct sunlight per day for optimal growth and flowering. However, it can tolerate some shade, particularly in hotter climates where partial shade may help prevent scorching.

Well-Draining Soil: Mexican Feather Grass prefers well-draining soil to prevent root rot. Avoid planting in areas with heavy clay soil or poor drainage, as excessive moisture can lead to fungal diseases and root issues. Sandy or loamy soil with good drainage is ideal.

Landscape Design: Mexican Feather Grass is valued for its graceful, airy appearance and works well as a border plant, ground cover, or accent in rock gardens, meadow plantings, and naturalistic landscapes. Plant it in clusters or drifts for a natural, informal look, or use it as a focal point in mixed plantings.

Watering Considerations: Consider proximity to irrigation sources when selecting a planting location. While Mexican Feather Grass is drought-tolerant once established, it may require supplemental watering during dry spells, especially in hotter climates. Planting near a water source makes it easier to provide regular irrigation if needed.

Space Requirements: Mexican Feather Grass tends to spread by self-seeding and can form dense clumps over time. Ensure there is enough space for the grass to spread without overcrowding other plants. Planting it in areas with room to expand or using containment measures, such as edging or barriers, can help prevent it from encroaching on neighboring plants or walkways.

Climate Considerations: Mexican Feather Grass is native to regions with Mediterranean climates but can adapt to a wide range of climates. It is drought-tolerant and performs well in both coastal and inland regions, as long as it receives adequate sunlight and well-draining soil.

By considering these factors, you can select the best planting location for Mexican Feather Grass to ensure it thrives and enhances your landscape with its graceful form and delicate texture.

Mexican Feather Grass is drought-tolerant once established, but regular watering is essential during the establishment period and during dry spells. Here's a general guideline for watering Mexican Feather Grass:

Establishment Period: Water newly planted Mexican Feather Grass deeply immediately after planting to settle the soil and initiate root establishment. During the first few weeks after planting, keep the soil consistently moist but not waterlogged. Water deeply whenever the top inch of soil feels dry to the touch.

Established Plants: Once Mexican Feather Grass becomes established (typically after the first growing season), it requires less frequent watering. Allow the soil to dry out slightly between waterings to prevent waterlogged conditions, as this grass prefers well-draining soil.

Monitor Soil Moisture: Check the soil moisture regularly by inserting your finger into the soil near the base of the plant. If the soil feels dry to a depth of 1 to 2 inches, it's time to water. Avoid overwatering, as this can lead to root rot and other moisture-related issues.

Weather Conditions: Adjust the frequency of watering based on weather conditions. Mexican Feather Grass may require more frequent watering during hot, dry weather or prolonged periods of drought. Conversely, reduce watering during cooler or rainy periods.

Deep Watering: When watering Mexican Feather Grass, apply water slowly and deeply to ensure thorough penetration into the root zone. Water at the base of the plant rather than overhead to minimize moisture on the foliage, which can contribute to disease.

Mulching: Apply a layer of organic mulch around the base of Mexican Feather Grass to help retain soil moisture and reduce evaporation. Mulch also helps regulate soil temperature and suppresses weed growth, which can compete with the grass for moisture.

By following these watering guidelines and adjusting based on specific environmental conditions, you can help Mexican Feather Grass thrive while conserving water and promoting healthy growth.

To plant Mexican Feather Grass, follow these steps for successful establishment:

Choose the Right Location: Select a site that receives full sun to partial shade and has well-draining soil. Mexican Feather Grass is tolerant of a wide range of soil types but prefers sandy or loamy soil with good drainage.

Prepare the Soil: Before planting, amend the soil with organic matter such as compost to improve soil structure and fertility. Work the amendments into the top several inches of soil to ensure even distribution.

Dig Planting Holes: Dig holes slightly larger than the root balls of the Mexican Feather Grass plants. Space multiple plants about 12 to 18 inches apart to allow for adequate airflow and future growth.

Planting Depth: Place each Mexican Feather Grass plant in its planting hole at the same depth it was growing in its nursery container. Backfill the holes with soil and gently firm the soil around the base of the plants to remove air pockets.

Watering: After planting, thoroughly water the Mexican Feather Grass to settle the soil and help initiate root establishment. Keep the soil consistently moist but not waterlogged during the first few weeks after planting to support root development.

Mulching: Apply a layer of organic mulch, such as wood chips or shredded bark, around the base of the plants to help retain soil moisture, suppress weeds, and regulate soil temperature. Leave a small gap between the mulch and the plant stems to prevent rotting.

Maintenance: Monitor the Mexican Feather Grass regularly for signs of stress, pests, or disease. Water the plants deeply during dry spells, but allow the soil to dry out slightly between waterings to prevent root rot. Remove any dead or damaged foliage as needed.

By following these planting guidelines and providing proper care, you can help ensure the successful establishment and growth of Mexican Feather Grass in your landscape.

Yes, Mexican Feather Grass has a tendency to spread, particularly in favorable growing conditions. It reproduces by both seed and by forming dense clumps or tussocks, from which new shoots can emerge.

While Mexican Feather Grass is not considered invasive in all regions, its self-seeding habit and ability to form dense colonies make it potentially problematic in some areas, particularly where it outcompetes native vegetation or disrupts natural ecosystems.

To control the spread of Mexican Feather Grass and prevent it from becoming invasive:

Regular Maintenance: Keep the grass tidy by removing any seed heads before they mature and disperse seeds. Additionally, thin out overcrowded clumps periodically to reduce density and discourage spread.

Containment: Consider planting Mexican Feather Grass in containers or raised beds to restrict its spread. This can be particularly useful in regions where it has a tendency to naturalize or spread aggressively.

Monitor and Remove Seedlings: Keep an eye out for seedlings that may sprout in surrounding areas and promptly remove them to prevent colonization of new areas.

Choose Non-Invasive Alternatives: If Mexican Feather Grass is a concern in your area, consider planting non-invasive ornamental grasses or native plants that provide similar aesthetic qualities without the risk of spreading uncontrollably.

By practicing responsible gardening techniques and monitoring the growth of Mexican Feather Grass, you can enjoy its ornamental beauty without risking its potential to become invasive.

Mexican Feather Grass offers several benefits, making it a popular choice for landscapes and gardens:

Ornamental Appeal: Mexican Feather Grass is prized for its delicate and graceful appearance, with fine, thread-like foliage that sways in the breeze, resembling soft feathers. Its airy texture adds movement and visual interest to garden beds, borders, and containers.

Drought Tolerance: Once established, Mexican Feather Grass is highly drought-tolerant, making it suitable for xeriscaping and water-wise landscapes. It requires minimal irrigation, making it an excellent choice for dry climates or areas with water restrictions.

Low Maintenance: Mexican Feather Grass is relatively low-maintenance, requiring little attention once established. It is deer-resistant and generally resistant to pests and diseases, reducing the need for chemical treatments or frequent monitoring.

Versatility: Mexican Feather Grass is versatile and can be used in various landscape settings, including meadow gardens, rock gardens, coastal landscapes, and native plantings. It complements a wide range of companion plants and thrives in both full sun and partial shade.

Erosion Control: The fibrous root system of Mexican Feather Grass helps stabilize soil, making it useful for erosion control on slopes or banks. Its deep roots can also improve soil structure and prevent runoff during heavy rains.

Wildlife Habitat: While Mexican Feather Grass is not typically a major attractant for wildlife, it can provide shelter for small insects and beneficial organisms in the garden. Additionally, birds may use the grass as nesting material or forage for seeds.

Seasonal Interest: Mexican Feather Grass offers year-round interest in the garden. In spring and summer, it produces feathery flower panicles that sway in the wind, adding movement and texture. In fall, the foliage may turn golden-yellow, providing additional color before winter dormancy.

Overall, Mexican Feather Grass is a versatile and attractive ornamental grass that enhances the beauty and sustainability of landscapes while requiring minimal care and resources.

Mexican Feather Grass benefits from occasional pruning or cutting back, primarily to remove dead foliage, promote new growth, and maintain its attractive appearance. Here are some guidelines for cutting back Mexican Feather Grass:

Late Winter or Early Spring: The best time to prune Mexican Feather Grass is in late winter or early spring before new growth emerges. This allows the plant to recover and produce fresh foliage for the growing season.

Remove Dead or Brown Foliage: Use sharp pruning shears to trim away any dead, brown, or damaged foliage. This helps improve the plant's overall appearance and encourages healthy growth.

Avoid Cutting Too Severely: While Mexican Feather Grass can tolerate pruning, avoid cutting it back too severely, especially into the crown of the plant. Removing too much foliage can stress the plant and impact its ability to regrow.

Light Trimming: If the plant looks unkempt or overgrown, lightly trim the outer edges of the foliage to maintain its shape and prevent it from spreading too far.

Gentle Approach: Mexican Feather Grass has delicate foliage, so handle it gently when pruning to avoid damaging the stems or leaves. Lightly combing through the foliage with your fingers can help remove dead or tangled strands.

Dispose of Pruned Material: Dispose of the pruned foliage properly, either by adding it to compost or placing it in green waste bins. Avoid leaving pruned material around the base of the plant, as it can create a breeding ground for pests or diseases.

By following these pruning guidelines, you can help keep your Mexican Feather Grass healthy, tidy, and visually appealing throughout the growing season.

Mexican Feather Grass is considered hardy in USDA hardiness zones 6 through 10. It is tolerant of a wide range of temperatures and environmental conditions within this range.

In colder climates (zones 6 and 7), Mexican Feather Grass may experience some dieback during harsh winters but often regrows from the base in the spring. Providing a layer of mulch around the plant's base can help protect the roots during cold snaps.

In warmer climates (zones 8 through 10), Mexican Feather Grass typically thrives year-round with minimal cold damage. However, it may benefit from occasional pruning to rejuvenate growth and remove dead foliage.

While Mexican Feather Grass is drought-tolerant once established, it prefers well-drained soil and may suffer in overly wet conditions. Additionally, it can tolerate heat and is relatively resistant to pests and diseases.

Overall, Mexican Feather Grass is a resilient and adaptable plant that can thrive in a variety of climates, making it a popular choice for landscapes and gardens across different regions.

Several factors could contribute to Mexican Feather Grass dying. Here are some common reasons and potential solutions:

Overwatering or Underwatering: Mexican Feather Grass prefers well-drained soil and is drought-tolerant once established. If the soil is too wet or too dry, it can stress the plant and lead to its decline. Ensure the soil is well-drained and water only when the top inch of soil feels dry.

Poor Soil Conditions: Mexican Feather Grass thrives in sandy or loamy soil with good drainage. If the soil is compacted or lacks nutrients, it can affect the plant's health. Amend the soil with organic matter such as compost to improve its structure and fertility.

Pests and Diseases: While Mexican Feather Grass is relatively resistant to pests and diseases, it can still be affected by issues like fungal diseases or aphid infestations. Inspect the plant for signs of pests or disease, and treat accordingly with appropriate insecticides or fungicides.

Environmental Stress: Extreme temperatures, especially excessive heat or cold, can stress Mexican Feather Grass and cause it to decline. Plant it in a location with adequate airflow and protection from intense sunlight or harsh winds.

Improper Pruning: Mexican Feather Grass should be pruned in late winter or early spring to remove dead or damaged foliage and encourage new growth. Avoid cutting back too severely, as this can damage the plant.

Invasive Growth: In some regions, Mexican Feather Grass can be invasive, spreading aggressively and crowding out other plants. If this is the case, consider removing excess plants or planting barriers to contain its growth.

Transplant Shock: If recently transplanted, Mexican Feather Grass may experience transplant shock, resulting in wilting or decline. Ensure the plant receives adequate water and protection from extreme conditions during the establishment period.

By addressing these potential issues and providing proper care, you can help revive your Mexican Feather Grass and promote its healthy growth. If the plant continues to decline despite your efforts, consult with a local gardening expert or extension service for further assistance.

Our Process

We have perfected packaging and shipping plants & trees! That is why we DO NOT use any third-party fulfillment like most other online retailers. Your trees go straight from our farm to your door, safely packaged by our team of seasoned professionals. Our process ensures your plants leave our facility and arrive to your door in the best condition possible!