How to Grow Creeping Mahonia

Creeping Mahonia

Mahonia repens

shrub

Creeping Mahonia is a low-growing, evergreen shrub native to the southwestern United States that spreads via underground rhizomes to form dense groundcover. It features attractive blue-green pinnate foliage and produces fragrant clusters of bright yellow flowers in spring, followed by blue-black berries. This drought-tolerant plant is prized for erosion control, wildlife habitat, and ornamental landscape use.

Growing Conditions

☀️

Sun: Full sun to partial shade, 4-6 hours of sunlight daily for best flowering

💧

Water: Low water needs once established. Water moderately during establishment (first season). Drought tolerant; avoid overwatering, which can cause root rot.

📏

Spacing: 12-18 inches

📅

Days to maturity: Not applicable for ornamental shrub; reaches mature spreading size in 2-3 years

🌱

Planting depth: Plant at same depth as root ball; do not bury crown

Soil

Type: Well-draining, gravelly or sandy loam soil

pH: 6.0-7.5

Amendments:

Gravel or coarse sand for drainage Compost for organic matter (optional)

Growing Zones

Find your zone →

Thrives in zones 5-8, with some success in zone 9

5a 5b 6a 6b 7a 7b 8a 8b 9a

Growth Stages

Establishment

4-8 weeks

Young transplant with developing root system and initial shoot growth

Water regularly for first growing season to encourage root development. Mulch lightly with gravel. Avoid heavy watering.

Vegetative Spread

6-18 months

Plant spreads via rhizomes, producing new shoots and expanding foliage coverage

Minimal maintenance; allow natural spreading. Remove competing weeds. Provide supplemental water during drought if desired.

Pre-flowering

4-8 weeks

Dense foliage established; flower buds form on stem tips in late winter

No pruning needed unless controlling spread. Avoid excessive fertilization, which reduces flowering.

Flowering

2-4 weeks

Fragrant, bright yellow flower clusters appear in spring (March-May depending on zone)

Enjoy the blooms; flowering attracts bees and pollinators. No deadheading required.

Fruiting & Maturity

June through winter

Flowers develop into blue-black berries that ripen in summer; foliage remains ornamental year-round

Leave berries for wildlife. Evergreen foliage requires no seasonal cleanup. Minimal watering needed in established plantings.

Companion Planting

Plan your garden →

Plant with:

Sedum Trailing Juniper California poppy Desert marigold Buckwheat Penstemon

Avoid planting near:

Plants requiring frequent watering Water-loving species Nitrogen-heavy feeders in poor soils

Common Pests

Improve air circulation; remove affected leaves; fungicide spray if severe. Disease is rarely problematic in well-drained soils.
Remove affected foliage; ensure good drainage and air circulation. Rarely requires treatment.
Spray with water to dislodge; ensure adequate moisture during establishment. Rarely problematic on established plants.

Uses

🍳

Berry Preserves & Foraged Food

Culinary

Mahonia repens produces edible blue-black berries that can be made into jams, jellies, and syrups. The berries have a tart flavor and were traditionally harvested by Native Americans and early settlers. [source]

💊

Traditional Herbal Remedy

Medicinal

The plant contains berberine alkaloids and has been used in traditional medicine for digestive and immune support. Modern herbalism recognizes Mahonia species for antimicrobial properties. [source]

🏠

Erosion Control & Groundcover

Household

Its spreading rhizome system and low growth habit make it excellent for stabilizing slopes, preventing soil erosion, and reducing water runoff in arid and semi-arid landscapes. [source]

🦋

Pollinator & Wildlife Support

Wildlife

Spring flowers attract bees and other pollinators; summer berries are a critical food source for birds, including thrushes, juncos, and waxwings. The evergreen foliage provides year-round shelter. [source]

🎨

Ornamental & Landscape Design

Craft

Year-round blue-green foliage, fragrant yellow spring blooms, and striking berries make it valuable for native plant gardens, pollinator gardens, and drought-tolerant landscape design. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Berries can be harvested in late summer for wildlife food or for making jams and preserves. Cut flowering branches in spring for arrangements. No commercial harvest needed; allow berries to persist for birds.

Fun Facts

🌱 Mahonia repens is native to the Rocky Mountains and southwestern deserts, where it thrives in harsh, rocky, and drought-prone conditions that would challenge most ornamental plants.
🌱 The plant's berries are covered in a blue-white waxy bloom called 'pruinescence,' which protects the fruit and gives it a distinctive frosted appearance attractive to wildlife.
🌱 Mahonia species contain berberine, the same antimicrobial alkaloid found in goldenseal, making them botanically related to traditional medicinal plants.

Want personalized planting timelines?

Get started free