Bugleweed (Ajuga reptans ‘Catlin’s Giant’): Fast Groundcover with Spring Blooms

This versatile groundcover is a reliable workhorse, ignored by deer and rabbits. Fills quickly between boulders and larger plants, adding year-round color and texture while suppressing weeds. Spring brings a haze of azure blue flowers.

Botanical Name: Ajuga reptans ‘Catlin’s Giant’
Common Names: Bugle weed
Origin: Europe
Hardiness: USDA zones 4–9 (hardy to –30°F)
Water Needs: Adaptable to drought or saturated soils
Light Requirements: Partial shade ideal; tolerates full sun in moist soil
Mature Size: 6 in tall; spreads indefinitely

Benefits and Tolerances

Attracts bees; deer/rabbit resistant; drought tolerant; handles wet soils; reduces erosion on slopes.

Seasonal Interest

Year-round.

Planting Time

Spring or fall.

Distinguishing Traits

Glossy dark foliage; blue spring flowers.

How to Use It

In Containers

Year-round color at edges, spilling over sides.

As Weed Suppressant

New beds: plant bugleweed to carpet ground quickly, preventing weed seed germination and light penetration. Easily thinned.

For Erosion Control

Rapid spread via rooting stems stabilizes stream banks. Spring blue flowers mimic a meandering river when stream is dry.

Between Pavers

Tolerates light foot traffic if regularly trimmed.

Planting Notes

• Space 18 in apart as groundcover.
• Fastest growth in partial shade, moist soil.
• Unwanted plants easily removed—shallow roots.
• Deadheading not necessary except for appearance.

Caution: May be invasive in some areas. Check local extension office before planting.