How to Grow Crepe Myrtle

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Crepe Myrtle

Lagerstroemia indica

shrub

Crepe Myrtle is a deciduous to semi-evergreen shrub or small tree prized for its showy clusters of crinkled flowers in summer and attractive peeling bark. It features papery-textured blooms in pink, red, purple, or white, with elegant branching structure that provides winter interest. Native to Asia, it has become a Southern U.S. staple and is widely cultivated worldwide.

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Example Crepe Myrtle timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Crepe Myrtle

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Crepe Myrtle

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Crepe Myrtle dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily (prefers 8+ hours for best flowering)
💧
Water: Moderate water needs once established; drought-tolerant but flowers better with consistent moisture during growing season. Water deeply 1-2 times per week during first year and dry periods.
📏
Spacing: 60-120 inches
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Days to maturity: Not applicable (woody shrub); blooms in first or second summer after planting
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Planting depth: Same depth as root ball; do not plant deeper

Soil

Type: Well-draining, slightly acidic loamy soil
pH: 5.5-6.5
Amendments:
Compost Aged bark mulch Peat moss for acidification

Growing Zones

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Thrives in zones 6-10, with best flowering in zones 7-9

6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a

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Growth Stages

1

Establishment

First 6-12 months

Young plant developing root system and initial branch structure. Foliage is emerging and tender.

Water regularly to keep soil consistently moist. Mulch around base. Avoid heavy pruning; remove only dead or damaged wood.

2

Vegetative Growth

Spring to early summer (3-4 months)

Plant extends stems and develops full canopy. Leaves are lance-shaped, glossy, and reddish or burgundy when young.

Maintain regular watering schedule. Apply balanced fertilizer in spring. Thin crossing or crowded branches if needed.

3

Flowering

Mid-summer through early fall (6-10 weeks)

Terminal panicles of crinkled flowers appear in pink, red, purple, white, or bi-color. Flowers continuously for 2-3 months.

Deadhead spent flower clusters to encourage more blooms. Reduce nitrogen fertilizer to avoid excessive foliage at expense of flowers. Water during dry spells.

4

Ripening & Seed Development

Fall (4-6 weeks)

Flowers fade and seed capsules develop. Foliage begins turning brilliant orange, red, or burgundy before dropping.

Allow some flowers to remain for wildlife and ornamental seed pods. Reduce watering as temperatures cool.

5

Dormancy

Winter (2-4 months)

Plant loses all leaves in winter; branching structure and exfoliating bark become prominent garden features.

No watering needed. Prune in late winter (February-March) before new growth, removing crossing branches and spent seed pods. Avoid cutting into wood in fall.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Black walnut trees (juglans nigra) Shallow-rooted plants that compete for moisture

Common Pests

  • Prune infested branches; spray horticultural oil or insecticidal soap in dormant season; apply neem oil in growing season

  • Hand-pick beetles in early morning; use Japanese beetle traps 20+ feet away; apply neem oil or spinosad

  • Ensure good air circulation through proper pruning; apply sulfur or fungicide spray; avoid wetting foliage

  • Spray with strong water stream; apply insecticidal soap or neem oil; encourage beneficial insects

Uses

🏠

Ornamental Landscape Plant

Household

Crepe Myrtle is a premier ornamental shrub/small tree valued for summer color, graceful form, and winter bark interest. It provides structure, multi-season beauty, and can be used as a specimen, accent, or mass planting. [source]

🦋

Pollinator Support

Wildlife

The abundant, long-blooming flowers attract bees, butterflies, and hummingbirds throughout summer and early fall. Seed pods provide food for birds in winter. [source]

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Fresh & Dried Floral Arrangements

Household

Cut flower panicles make striking fresh arrangements and dry beautifully for long-lasting display. The branching structure provides excellent filler material. [source]

🎨

Winter Garden Structure

Craft

The exfoliating, multi-colored bark and elegant branch architecture create visual interest and year-round garden texture, especially important in winter landscapes. [source]

💊

Traditional Medicine

Medicinal

In traditional Asian medicine, various parts of Lagerstroemia species have been used to support health, though scientific evidence is limited. Modern use is primarily ornamental. [source]

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

Harvest Tips

Crepe Myrtles are ornamental plants, not harvested for food. Cut fresh flowers for arrangements by selecting fully open panicles and conditioning in water. Collect seed pods in fall for dried arrangements. Prune in late winter (February-March) before new growth begins, removing dead wood and creating shape; avoid heavy 'crepe murder' pruning that leaves stub branches.

Fun Facts

  • 🌱 The name 'Crepe Myrtle' comes from the texture of the petals, which resemble crepe paper. The papery appearance led Victorian gardeners to call it the 'lilac of the South.'
  • 🌱 Crepe Myrtles exhibit exfoliating bark in shades of cinnamon, tan, gray, and reddish-brown, providing striking winter color when branches are bare.
  • 🌱 Modern Crepe Myrtle cultivars, bred through crosses with other Lagerstroemia species, are more cold-hardy and mildew-resistant than the original L. indica species, allowing cultivation as far north as zone 6.

Gardening Terms

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