Purple Orchid Tree

Plant Type: deciduous to semi-evergreen flowering tree
Plant Height: 20–35 feet
Spread: 15–25 feet
Flower Color: purple-magenta
Sun Exposure: Full sun

Purple Orchid Tree (Bauhinia purpurea): Tropical Color with Exotic Blooms

The Purple Orchid Tree, also called the Butterfly Tree, is an ornamental tree prized for its spectacular purple-magenta flowers that resemble orchids. Blooming in late summer through fall, this fast-growing tree adds a tropical flair to Arizona gardens while providing seasonal shade and color.

Key Features of Purple Orchid Tree

• Striking Blooms: Orchid-like purple flowers appear in late summer and fall, often lasting until frost.
• Attractive Foliage: Large, butterfly-shaped leaves add visual interest.
• Fast Growth: Reaches 20–35 feet tall and wide in just a few years.
• Seasonal Shade: Provides filtered to moderate shade beneath its spreading canopy.

Growing and Care Tips

The Purple Orchid Tree is well-suited for warm climates but may drop leaves in cooler winters.

Soil: Prefers well-draining loamy or sandy soils.
Water: Moderate water needs; water deeply every 7–10 days in summer.
Fertilizer: Feed with a balanced fertilizer in spring and midsummer for best flowering.
Pruning: Prune in winter to maintain structure and remove weak branches.

Landscaping Uses

• Accent Tree: Provides tropical color and dramatic seasonal flowers.
• Shade Tree: Spreading canopy offers comfort for patios and lawns.
• Pollinator Gardens: Flowers attract bees, butterflies, and hummingbirds.
• Courtyards & Entryways: Perfect as a specimen tree for high-visibility spaces.

Summary

The Purple Orchid Tree combines fast growth, lush foliage, and exotic blooms to create a show-stopping focal point. With its vibrant flowers and tropical look, it’s an excellent choice for Arizona landscapes where bold color and seasonal shade are desired.

Three Timbers Installation Guide (Feel Free to Follow): Purple Orchid Tree

Planting Guide:

Location: Full sun for maximum flowering.
Soil: Well-draining sandy or loamy soils are best.
Spacing: Plant 15–25 feet apart to allow full canopy spread.
Planting Depth: Keep crown level with surrounding soil.
Support: Young trees may need staking for first 1–2 years.

Watering Guide:

Watering After Planting:

• Initial Watering: Deeply water after planting.
• Frequency: Every 5–7 days for the first 2–3 months.
• Watering Amount: Enough to soak 12–18 inches deep.

When is the Plant Established?

• Usually after 6–12 months of consistent watering.

Watering Once Established:

• Summer: Deep water every 7–10 days.
• Winter: Water every 3–4 weeks if dry.

Drip Irrigation Setup:

Placement of Emitters: Position 2–3 emitters around the dripline.
Flow Rate: 2 gallons per hour.
Number of Emitters: Two for young trees; three to four for mature specimens.
Adjusting Frequency: Increase during heavy flowering and extreme heat; reduce in cooler months.

General Watering Tips for Purple Orchid Tree:

• Soil Check: Allow the top 3–4 inches to dry before watering again.
• Avoid Overwatering: Consistently soggy soil can cause root stress.
• Mulch: Apply a 2–3 inch mulch layer to conserve moisture and protect roots, keeping mulch away from trunk.