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Bougainvillea: A Sun-Loving Vine That Showers Yards with Vibrant Color

The beauty of bougainvillea can hardly be overstated; its vibrant hues offer stunning color to sun-loving landscapes. This vigorous grower isn't fussy and is easy to grow with full sun. Zones 9+ enjoy this tropical beauty outdoors year-round. Cooler climates: grow in containers outdoors, bring inside when temperatures dip below freezing. No matter where you live, you can enjoy bougainvillea.

Bougainvillea in bloom

Quick Reference Guide

  • Botanical name: Bougainvillea spp.
  • Common name: Bougainvillea
  • Hardiness: 30°F (USDA zones 9–11). Container-grown in zones 8 and below, brought indoors for winter.
  • Water: Low to medium
  • Light: Full sun
  • Mature size: 15–30 feet tall, 10–20 feet wide
  • Benefits: Drought-tolerant once established; water deeply, allow soil to dry before watering again
  • Seasonal interest: Deep magenta flowers against lush green foliage spring through fall
  • Plant: Spring, summer, or fall
Bougainvillea flowers closeup

Distinguishing Traits

Rich hues come not from flowers but from bracts surrounding rather unremarkable small cream-colored flowers.

Sharp thorns concealed under lush green foliage.

Barbara Karst bougainvillea

Shown: 'Barbara Karst' with tiny cream flowers surrounded by colorful bracts

Bougainvillea thrives in hot, reflected sun. In shade, attractive foliage but few flowers. Zones 9+: outdoors year-round. Zones 8 and below: containers in summer, indoors when freezing.

Keep away from pools—bracts create significant plant litter.

Bougainvillea color varieties

Colors vary by variety: burgundy, magenta, orange, pink, purple, white. Variegated foliage also available.

  • 'Barbara Karst': brilliant magenta
  • 'California Gold': unique gold
  • 'Imperial Delight': white bracts edged in pink
  • 'Orange King': burgundy-orange
  • 'Raspberry Ice': variegated foliage with dark pink bracts
  • 'San Diego Red': beautiful dark red
  • 'Singapore White': smaller habit, white bracts
  • 'Torch Glow': unusual upright habit, magenta bracts
Torch Glow bougainvillea

Shown: 'Torch Glow'

Bougainvillea blooming cycle

In zones 9–11, heaviest flowering in spring and early fall when day/night lengths are roughly equal, though summer blooming continues.

Design Uses

Showy enough to plant solo. Extremely versatile: cover bare walls on trellis, create colorful entry over archway.

Bougainvillea as shrub

Shown: Grown as loose shrub

Great privacy hedge; can be trained into small tree. Surprisingly does well in containers.

Bougainvillea on trellis

Shown: Orange bougainvillea trained on trellis

Planting Notes

Full sun, well-drained soil. Water deeply, allow soil to dry before watering again. Overwatering = lush foliage, few flowers.

Add complete slow-release fertilizer in spring. Avoid overfertilizing—reduces flowering. Prune frost-damaged growth after spring frost threat passes. Can be formally hedged but flowering reduces.

Bougainvillea hedge

Shown: Bougainvillea grown as hedge

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