Growing a foxtail plant is simple, rewarding, and perfect for beginners. With its fluffy, bottlebrush-like blooms and low-maintenance needs, this ornamental grass adds texture and movement to any garden or container. Plus, it’s non-invasive, drought-tolerant, and even attracts pollinators!
If you’re looking for a plant that’s as easy to grow as it is beautiful, the foxtail plant might just be your new favorite. With its whimsical, fluffy flower spikes that sway gently in the breeze, this ornamental grass brings a touch of wild elegance to gardens, patios, and even indoor spaces. Whether you’re a seasoned gardener or just starting out, the foxtail plant offers a satisfying blend of beauty, resilience, and versatility.
Unlike its weedy namesake—wild foxtail grass, which can be invasive and harmful to pets—the cultivated foxtail plant is a well-behaved garden star. Varieties like purple fountain grass (*Pennisetum setaceum* ‘Rubrum’) and green foxtail (*Setaria viridis*) are grown specifically for their striking foliage and showy plumes. These plants are not only safe but also beneficial, attracting pollinators and thriving with minimal care. In this guide, we’ll walk you through everything you need to know to grow, care for, and enjoy the many benefits of the foxtail plant.
Key Takeaways
- Foxtail plants are ornamental grasses known for their soft, brush-like flower spikes that resemble a fox’s tail.
- They thrive in full sun and well-draining soil, making them ideal for hot, dry climates and xeriscaping.
- Low water needs after establishment—once settled, they’re highly drought-tolerant and perfect for water-wise gardens.
- Great for containers, borders, and pollinator gardens—they attract bees and butterflies while adding visual interest.
- Non-invasive and safe for pets (unlike some foxtail grasses), especially cultivated varieties like *Setaria viridis* ‘Rubrum’ or *Pennisetum setaceum*.
- Easy to propagate from seeds or division, allowing you to expand your garden without extra cost.
- Offers year-round visual appeal—even in winter, dried seed heads add texture and charm to landscapes.
📑 Table of Contents
What Is a Foxtail Plant?
The term “foxtail plant” refers to several species of ornamental grasses in the *Poaceae* family, known for their distinctive, brush-like flower spikes that resemble a fox’s tail. These plants are prized in landscaping for their texture, movement, and long blooming season. While wild foxtail grasses (like *Setaria viridis*) can be weedy and problematic, cultivated varieties are bred for garden use and are much more manageable.
One of the most popular types is the purple fountain grass (*Pennisetum setaceum* ‘Rubrum’), which features deep burgundy leaves and soft, purple-tinted plumes. Another favorite is the green foxtail (*Setaria viridis*), which has bright green foliage and lighter, feathery seed heads. Both are annuals in cooler climates but can act as perennials in warmer zones (USDA zones 9–11).
These plants are not true grasses in the lawn sense—they’re ornamental, meaning they’re grown for visual appeal rather than ground cover. Their upright or arching growth habit makes them perfect for adding height and drama to garden beds, borders, or container arrangements.
How to Grow Foxtail Plants
Growing a foxtail plant is refreshingly simple, even for beginners. Whether you’re starting from seed or transplanting a nursery-grown specimen, success comes down to a few key factors: light, soil, and timing.
Starting from Seed
Foxtail plants grow easily from seeds, which can be sown directly outdoors after the last frost or started indoors 6–8 weeks earlier. For indoor starts, use a seed-starting mix in small pots or trays. Scatter the seeds lightly on the surface—they need light to germinate—and press them gently into the soil. Keep the mix moist but not soggy, and place the container in a warm spot (around 70°F or 21°C).
Germination usually takes 7–14 days. Once seedlings have two sets of true leaves and outdoor temperatures are consistently above 50°F (10°C), harden them off by gradually exposing them to outdoor conditions over a week. Then transplant them into the garden or larger containers.
Choosing the Right Location
Foxtail plants love sunshine. Choose a spot that gets at least 6–8 hours of direct sunlight daily. They tolerate a range of soil types but prefer well-draining soil. Heavy clay or waterlogged areas can lead to root rot, so amend poor soil with compost or sand if needed.
For container growing, use a large pot (at least 12 inches deep) with drainage holes. A lightweight potting mix designed for outdoor containers works best. This is especially helpful in colder regions, where you can move the plant indoors during winter.
Foxtail Plant Care Tips
Once established, foxtail plants are remarkably low-maintenance. But a little care goes a long way in keeping them healthy and vibrant.
Watering Needs
Water newly planted foxtail plants regularly for the first few weeks to help them establish roots. After that, they become quite drought-tolerant. In most climates, rainfall is sufficient, but during prolonged dry spells, give them a deep watering once a week. Avoid frequent shallow watering, which encourages weak root systems.
Container-grown plants dry out faster, so check the soil every few days in hot weather. Stick your finger about an inch into the soil—if it feels dry, it’s time to water.
Fertilizing for Best Growth
Foxtail plants aren’t heavy feeders, but a light application of balanced fertilizer (like 10-10-10) in early spring can boost growth and flowering. Alternatively, mix in a slow-release granular fertilizer at planting time. Organic options like compost or worm castings also work well and improve soil structure over time.
Avoid over-fertilizing, especially with high-nitrogen formulas, as this can lead to excessive leaf growth at the expense of flowers.
Pruning and Maintenance
To keep your foxtail plant looking tidy, remove spent flower heads in late summer or fall. This not only improves appearance but also prevents self-seeding, which can become weedy in some areas. In colder climates, cut the plant back to about 4–6 inches above the ground after frost has killed the foliage. In warmer zones, you can leave the dried plumes for winter interest—they add lovely texture to snowy landscapes.
If growing in containers, divide the plant every 2–3 years to prevent overcrowding. Gently lift the root ball, split it into sections with a sharp knife, and replant in fresh soil.
Benefits of Growing Foxtail Plants
Beyond their good looks, foxtail plants offer several practical and ecological benefits that make them a smart addition to any garden.
Attracts Pollinators
The feathery flower spikes of foxtail plants produce nectar and pollen that attract bees, butterflies, and other beneficial insects. This makes them excellent companions for vegetable gardens or pollinator-friendly landscapes. By planting foxtail grasses, you’re supporting local ecosystems and promoting biodiversity.
Drought-Tolerant and Eco-Friendly
Once established, foxtail plants require little water, making them ideal for xeriscaping and water-conscious gardening. They’re a great alternative to thirsty ornamental plants, especially in arid regions like the Southwest or Mediterranean climates.
Adds Texture and Movement
The graceful, arching form of foxtail plants adds vertical interest and soft movement to garden designs. Their plumes catch the wind, creating a dynamic, living sculpture that changes with the seasons. Use them as focal points, in mixed borders, or grouped in clusters for maximum impact.
Safe for Pets and Children
Unlike wild foxtail grasses—which have barbed seeds that can harm pets—cultivated foxtail plants are safe. Their seeds are soft and non-invasive, so you don’t have to worry about your dog or cat getting injured while playing in the garden.
Great for Cutting and Drying
The flower spikes make stunning additions to fresh or dried flower arrangements. Simply cut the stems when the plumes are fully formed and hang them upside down in a dry, dark place to preserve their color and shape. Dried foxtail plumes can last for months and add a rustic charm to bouquets and home decor.
Common Problems and How to Solve Them
While foxtail plants are generally trouble-free, a few issues can arise—especially if growing conditions aren’t ideal.
Pests and Diseases
Foxtail plants are rarely bothered by serious pests, but aphids or spider mites may occasionally appear, especially in dry conditions. A strong spray of water or insecticidal soap usually takes care of the problem. Fungal diseases like rust or leaf spot can occur in humid climates with poor air circulation. To prevent this, avoid overhead watering and space plants properly.
Self-Seeding Concerns
Some varieties, particularly green foxtail, can self-seed aggressively in warm climates. If you notice seedlings popping up where you don’t want them, deadhead the flowers before they mature. Alternatively, grow sterile cultivars like ‘Rubrum’ or ‘Cupreum’, which produce fewer viable seeds.
Winter Care
In zones below 8, foxtail plants are typically grown as annuals. However, in milder areas, you can protect them over winter by mulching around the base and covering with burlap during hard freezes. Container-grown plants can be moved to a sheltered location, like a garage or sunroom, until spring.
Creative Uses in the Garden
Foxtail plants are incredibly versatile. Here are a few ways to incorporate them into your landscape:
- Container Gardens: Plant a single foxtail in a large pot for a dramatic centerpiece on a patio or balcony.
- Mixed Borders: Pair with lavender, salvia, or coneflowers for a colorful, pollinator-friendly border.
- Modern Landscapes: Use in minimalist designs with gravel, succulents, and architectural plants for a sleek, contemporary look.
- Wildlife Gardens: Combine with milkweed, bee balm, and native wildflowers to create a habitat for birds and insects.
- Seasonal Displays: Use in fall arrangements with ornamental kale, mums, and pumpkins for a cozy autumn vibe.
For a refreshing herbal twist, consider pairing your foxtail plant with fragrant herbs like lemongrass. Not only does lemongrass add a citrusy aroma to your garden, but it also makes a soothing tea—perfect for relaxing after a day of gardening. Learn more about growing and enjoying lemongrass in our guide to lemongrass plant tea.
Conclusion
The foxtail plant is a standout choice for gardeners who want beauty without the hassle. With its eye-catching plumes, easy care, and environmental benefits, it’s no wonder this ornamental grass is gaining popularity. Whether you’re designing a drought-tolerant landscape, attracting pollinators, or simply adding flair to a container, the foxtail plant delivers on all fronts.
From sunny borders to modern patios, this resilient plant adapts to a variety of settings and conditions. And with proper care—full sun, well-draining soil, and occasional watering—it will reward you with months of graceful growth and stunning visual appeal. So why not give it a try? Your garden (and the bees) will thank you.
Frequently Asked Questions
Is the foxtail plant invasive?
Wild foxtail grasses can be invasive, but cultivated varieties like purple fountain grass are generally well-behaved. To be safe, choose sterile cultivars or deadhead flowers before they set seed.
Can foxtail plants grow indoors?
Yes, but they need bright, direct sunlight—ideally a south-facing window. They grow best in large containers and may become leggy without enough light.
Do foxtail plants come back every year?
In USDA zones 9–11, many foxtail plants are perennial and return each year. In cooler zones, they’re typically grown as annuals or brought indoors for winter.
Are foxtail plants safe for dogs and cats?
Yes, cultivated foxtail plants are safe. Unlike wild foxtail grasses, their seeds are soft and non-barbed, so they won’t harm pets.
How tall do foxtail plants grow?
Most varieties grow between 2 and 4 feet tall, depending on the species and growing conditions. Purple fountain grass can reach up to 5 feet in ideal settings.
Can I eat foxtail plant seeds?
While some wild foxtail species have edible seeds, ornamental varieties are grown for decoration, not consumption. It’s best to avoid eating any part of the plant unless you’re certain of its edibility.