• Liriope muscari Big Blue Purple Flower Spikes and Grass-like Foliage
  • Close up of Big Blue Liriope purple flowers and grass-like foliage
  • Big Blue Liriope Liriope muscari Grass-like groundcover

Images Depict Mature Plants

Big Blue Liriope

Liriope muscari 'Big Blue'

Big Blue Liriope produces lush, evergreen foliage and vibrant lavender-blue flower spikes, which provide year-round interest and texture. It's an ideal low-maintenance groundcover for edging, borders, or mass plantings, offering deer resistance and drought tolerance in a variety of landscape settings.

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Big Blue Liriope muscari for Sale Online

Big Blue Liriope (Liriope muscari 'Big Blue') is a hardy, evergreen groundcover known for its lush, grass-like foliage and vibrant, spiked flowers. This low-maintenance plant forms dense clumps of rich, dark green leaves that add texture and color to any landscape. Big Blue Liriope produces striking lavender-blue flower spikes in late summer that rise above the foliage, creating a beautiful contrast. Small, decorative black berries follow these blooms in the fall, adding multi-season interest to your garden. Perfect for edging, borders, or mass plantings, Big Blue Liriope thrives in full sun to partial shade and is highly adaptable to various soil conditions.

This versatile ground cover is also highly durable, making it an excellent choice for areas with heavy foot traffic or erosion-prone spots. Big Blue Liriope is drought-tolerant once established, requiring minimal care, and it works beautifully as a lawn alternative along pathways or in shaded areas where other plants may struggle. Its dense, spreading habit helps suppress weeds, providing a lush, uniform appearance throughout the year. Whether used as an accent plant or for large-scale ground coverage, this liriope is a dependable and attractive solution for various landscaping needs.

In addition to its aesthetic appeal, Big Blue Liriope is deer-resistant and low-maintenance, making it ideal for novice and experienced gardeners. Its adaptability to different light conditions and soil types ensures success in a wide range of landscapes, from residential gardens to commercial properties. With its year-round foliage and seasonal blooms, Big Blue Liriope is a must-have for creating an inviting, cohesive look in your landscape design.


Growzone: 5-9 Big Blue Liriope Hardiness Zones 5-9
Hardiness Zone: 5-9
Mature Height: 12 to 14 Inches
Mature Width: 12 to 16 Inches
Classification: Perennial
Sunlight: Full sun
Habit: Upright, clump forming
Flower Color: Blue flowers
Flowering Season: Summer
Foliage: Green
Soil Condition: Prefers average to moist soil
Water Require: Water well until established
Uses: Extremely attractive when used as a focal point in the mixed border, mass planting

How to Care for Big Blue Liriope

Before you buy a Big Blue Liriope, make sure to read about the care instructions that are required and recommended to keep this plant healthy and flourishing.

How do I plant Big Blue Liriope?

How do I plant Big Blue Liriope?

To plant Big Blue Liriope, start by selecting a location with full sun to partial shade and well-drained soil. Begin by digging a hole twice as wide and as deep as the plant's root ball, ensuring enough space for the roots to spread. Place the liriope in the hole, making sure the top of the root ball is level with the surrounding soil. Backfill the hole with a mix of native soil and compost to promote healthy growth. After planting, water thoroughly to help the soil settle and establish the roots. Spacing is important for Big Blue Liriope—for a dense groundcover, space the plants about 12 to 18 inches apart to allow them to spread and form a lush, uniform mat. Once planted, add a 2-3 inch layer of mulch around the base to retain moisture and regulate soil temperature, but avoid piling mulch directly against the plant’s crown to prevent rot. Big Blue Liriope is highly adaptable and drought-tolerant once established, but it's important to water regularly during the first growing season to help it settle in. This low-maintenance plant thrives with minimal care, making it an excellent choice for borders, pathways, or as a groundcover in various light conditions.

How should I water Big Blue Liriope?

How should I water Big Blue Liriope?

When watering Big Blue Liriope, it's essential to keep the soil consistently moist during the first growing season to help establish strong roots. Water deeply once or twice a week, ensuring the water reaches the root zone. After the plant is established, Big Blue Liriope becomes drought-tolerant and requires less frequent watering. However, during particularly hot or dry periods, you may need to provide supplemental water to maintain healthy foliage and vibrant blooms. Always water at the base of the plant rather than from overhead to reduce the risk of fungal issues. Once mature, Big Blue Liriope thrives with minimal water, as it can tolerate brief periods of drought. To determine when to water, check the top 1-2 inches of soil—if it's dry, it's time to water. Mulching around the base of the plant also helps retain soil moisture, reducing the need for frequent watering. Overwatering should be avoided, as it can lead to root rot or other issues. With proper watering practices, Big Blue Liriope will flourish, providing lush, evergreen foliage and seasonal blooms with minimal effort.

How do I fertilize Big Blue Liriope?

How do I fertilize Big Blue Liriope?

To fertilize Big Blue Liriope (Liriope muscari 'Big Blue'), start by applying a balanced, slow-release fertilizer in early spring as new growth begins to emerge. A fertilizer with an N-P-K ratio of 10-10-10 or a specific formula for perennial plants works well to provide the essential nutrients needed for healthy root development, lush foliage, and vibrant flower spikes. Spread the fertilizer evenly around the base of each plant, keeping it a few inches away from the crowns to avoid burning the foliage. After fertilizing, water thoroughly to help the nutrients penetrate the soil and reach the root zone, ensuring that your Big Blue Liriope receives the boost it needs for a successful growing season. If your Big Blue Liriope is growing in poor soil or shows signs of nutrient deficiency, such as pale leaves or stunted growth, you may apply a second light feeding in midsummer. Avoid over-fertilizing, as too much nitrogen can result in excessive leaf growth at the expense of flowering. For a more organic approach, consider using compost or well-aged manure in the spring to improve soil quality while providing essential nutrients. Adding a layer of organic mulch around the base of Big Blue Liriope helps retain soil moisture, suppress weeds, and contributes to soil fertility as it breaks down. With proper fertilization, your Big Blue Liriope will grow vigorously, producing lush, arching foliage and striking purple flower spikes that add color and texture to your landscape.

How do you Prune Big Blue Liriope?

How do you Prune Big Blue Liriope?

Pruning Big Blue Liriope (Liriope muscari 'Big Blue') is an essential part of maintaining its healthy growth and keeping it looking neat throughout the year. The best time to prune Big Blue Liriope is in late winter or early spring, just before new growth begins to emerge. During this time, use sharp garden shears or a mower set to a high level to cut back the old, tired foliage to about 2-3 inches above the ground. Removing the older leaves helps make way for fresh, vibrant growth and also minimizes the risk of pests and diseases that may harbor in the old foliage. This early pruning will encourage dense, healthy growth and allow the new leaves to develop uniformly. Throughout the growing season, you can also perform light pruning to remove any damaged, brown, or discolored leaves, especially after the plant has finished flowering. Deadheading spent flower spikes is optional but can help maintain a tidier appearance. Be cautious not to prune too late in the growing season, as it may stress the plant or expose new growth to cold weather. Regular pruning not only keeps Big Blue Liriope looking its best but also promotes vigorous growth, ensuring that the plant maintains its dense, arching habit and continues to produce its beautiful purple flower spikes, making it an attractive feature in your landscape as a border, ground cover, or edging plant.


Frequently Asked questions

When can you prune Big Blue Liriope?

Is Big Blue Liriope invasive?

How Far Apart Should I space Big Blue Liriope?

Is Big Blue Liriope Deer Resistant?


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