Dark Purple Bugle (Ajuga reptans 'Atropurpurea') Growing & Care Guide for Gardeners
Article by Dean Ravenscroft, Ph.D. - Updated 31st Jan 2024
- Plant Characteristics: Known for its striking purplish leaves and blue flower spikes, this perennial is a great low-maintenance addition to any garden. Its dense, mat-forming growth habit makes it ideal for covering large areas and suppressing weeds.
- Growing & Care: Thrives in partial to full shade, and prefers moist, well-drained soil. It's a hardy plant, but regular watering and occasional pruning can enhance its lush appearance and health.
- Tips for New Gardeners: Bugleweed is an excellent choice for beginners due to its adaptability and low maintenance needs. However, be mindful that it can spread quickly and may need to be controlled in smaller gardens. While generally pest-free, it's important to note that it can be toxic if ingested.
Ajuga reptans Atropurpurea, more commonly known as Dark Purple Bugleweed or Carpet Bugle 'Atropurpurea', is a ground covering perennial.
This Bugleweed grows well in zones 3-9; UK hardiness H7.
Bugle Weed comes from the family Lamiaceae. It has evergreen purple leaves and grows quickly.
Ajuga reptans Var. Atropurpurea makes for a great blanket coverage plant, photograph by Frank Vincentz; CC.
Plants typically reach about 50 cm (20 inches) in height, with a spread of about a metre (40 inches).
Used as ground covering around shrubs or in places where it is difficult for grass to grow, the bugleweed is a great option to bring in some colour. Its purple leaves look fantastic when grown beneath trees.
It is commonly seen planted along pathways as well.
In mid to late spring, blue lavender flowers begin to bloom and can stand up to 25 cm (10 inches) above the foliage.
The small flowers attract pollinators such as bees and butterflies, which are always an added benefit for any garden.
Bugleweed Atropurpurea can make an attractive ground coverage plant, image by Frank Vincentz; CC.
Gardener's HQ Guide to Growing Dark Purple Bugle
Growing Ajuga reptans Atropurpurea is very simple. It can grow in many soil types as long as there is adequate drainage.
Ensure your placement for planting is far from foot traffic so this mat-forming plant can grow, spread and thrive.
It is a fast-growing plant so if it becomes too crowded or is larger than desired, it can easily be divided in spring or autumn.
This plant needs full sun to part shade, and at least 3-4 hours in full sunlight per day for best results.
Bronze Beauty Carpet Bugle (Ajuga Reptans) can make a great alternative plant to grow as ground coverage, or even alongside Atropurpurea, photograph by Christine Majul.
Although it can survive in mostly shaded gardens but the coloring will not be as bright and vivid in these conditions the leaves may remain greenish instead of turning purplish.
Dark Purple Bugle prefers soil of medium moisture so it will require frequent watering in hot and dry climates.
In the winter, the foliage will hold its colour and will not die back. The leaves are very hardy and can withstand lower temperatures.
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Ajuga reptans Atropurpurea Growing and Care Guide
- Scientific Name: Ajuga reptans Atropurpurea.
- Common Name: Dark Purple Bugle, Purple Carpet Bugle, Bugleweed.
- Growing Zone: USA: 3 to 9; H7.
- Life Cycle / Plant Type: Herbaceous, Perennial.
Plant Details
- Plant Height (Inches): 4 to 8.
- Plant Spread (Inches): 20 to 72.
- Time of Bloom: Early spring to Mid summer.
- Flower Details: Blue.
- Leaf Foliage: Green.
- Fruit:
- Growth Form: Spreading / horizontal.
Ideal Growing Conditions
- Best Light Conditions: shade to partial shade partial sun.
- Rate of Growth: Quick.
- Suitable Soil Types: Adaptable, Loamy, Neutral, Well drained.
- Soil Moisture: Moist.
Caring Conditions
- Care:
- Level of Maintenance: Low.
- Propagation: Division. It is easy to remove rooted plantlets in spring or early autumn.
- How to Prune: None required.
- Pests: Usually trouble free.
- Diseases: Powdery mildew can be a problem.
Further Information
- Can Attract:
- Tolerant of: Rabbit, Deer, Black Walnut.
- Best Garden Use: Border, Container, Foundation, Ground cover, En masse , Rock garden, Woodland garden.
- Family: Lamiaceae.
- Closely Related Species: Lavender; Self Heal; Thyme; Mint; and Russian Sage.
I hope that you enjoyed this guide on how to grow Ajuga reptans Atropurpurea. You may also enjoy the following growing guides: Ajuga Plants and Blue Bugle.
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