How to Care for Creeping Charlie

Creeping Charlie (Glechoma hederacea) is a low, fast-spreading trailing plant with rounded, scalloped leaves and small violet-blue flowers in spring. Its square stems root along the ground as they run, forming a dense green mat, and there is also a popular variegated form grown as a trailing container and hanging-basket plant.

Light

This plant favors part shade to shade and is one of the best groundcovers for dim, difficult spots. It tolerates a little morning sun but scorches and browns in hot, full-sun exposure. The variegated forms especially need shade to keep their creamy markings from bleaching or burning. Bright, indirect light indoors keeps trailing plants full.

Water

Keep the soil moderately and evenly moist; creeping Charlie prefers damp ground and wilts quickly when it dries out. It recovers fast after a good soak, but repeated drought stress thins the mat and browns the leaf edges. In containers, water whenever the top of the soil feels dry, and never let baskets bake out completely.

Soil & Potting

It is very undemanding about soil and grows in poor, compacted, or rich ground alike, provided it stays moist. A slightly acidic to neutral pH suits it. For containers and hanging baskets, use an ordinary moisture-retentive potting mix. Because it roots at every node, it establishes almost instantly wherever a stem touches soil.

Humidity & Temperature

Creeping Charlie is cold-hardy and evergreen to semi-evergreen in mild climates, dying back in harsh winters and returning in spring. It handles ordinary to high humidity happily and prefers cool-to-moderate temperatures. Indoor trailing plants dislike hot, dry radiator air, so keep them cool and give the foliage some ambient moisture.

Feeding

Feeding is rarely necessary, as this is a vigorous grower even in lean soil. Container plants benefit from a diluted balanced fertilizer once a month during active spring and summer growth to keep the foliage lush. Outdoors, it seldom needs any feeding at all.

Propagation

Propagation could hardly be easier. Detach a rooted section of runner and replant it, or lay a length of stem on moist soil and it will root at the nodes within days. Stem cuttings placed in water or damp mix root quickly. This node-rooting habit is exactly why it spreads so effectively as a groundcover.

Repotting / Pruning

Trim and pinch trailing stems regularly to keep container plants bushy rather than straggly, and shear the mat back whenever it oversteps its bounds outdoors. Repot basket plants in spring when roots fill the pot. Because it spreads aggressively, most maintenance is about restraint, cut runners back before they root where you do not want them.

Common Problems & Pests

Creeping Charlie is robust and largely pest-free, though rust and powdery mildew can appear in stagnant, overcrowded, damp conditions, so give it some airflow. The main issue by far is its vigor: it spreads relentlessly by rooting runners and can overtake beds and lawns, so plant it only where you can contain it or grow it in pots and baskets. Leaf browning usually signals too much sun or too little water.

Seasonal Care Tips

In spring, enjoy the flush of violet flowers and trim to shape after bloom. Through summer, keep it moist and shaded and cut back wandering runners. In autumn, tidy the mat before dormancy. In cold climates it may die back over winter and re-sprout in spring; bring container plants to a sheltered spot if hard freezes threaten.