shrub

Orange Ball Tree

The Story

Plant Bio

Buddleja globosa, the orange ball tree, is a large, semi-evergreen South American shrub that grows with an upright, open habit when young, becoming denser with age. Its dark green, leathery leaves have wrinkled, yellowish, hairy undersides and distinct toothed margins.

The species is distinguished by its small, bright yellowish-orange tubular flowers, which are packed into dense, spherical, globe-shaped heads about two centimeters across. These unusual globe clusters bloom in early to mid-summer on terminal clusters, attracting numerous pollinators.

Uses & Benefits:

Produces highly unusual, bright orange spherical flower heads that contrast beautifully against dark green, leathery foliage.

Tolerates coastal conditions well when protected from direct, harsh salt-laden gales.

Provides a rich nectar source that heavily attracts butterflies, bees, and hummingbirds in North America.

Essentials

At a Glance

Plant Type

Shrub

Height

144"

Width

118"

Light

Full Sun

Zones

6, 7, 8, 9

Water

Medium

Humidity

Moderate

Lifespan

Perennial

Native To

South America

Toxicity

Non-toxic

Bloom period

Early summer – Mid-summer

In flower about 2 months of the year

Planting

How to Grow

Plant in a location that receives full sun, as shaded positions cause sparse, weedy growth and poor flowering.
Ensure the soil is fertile, loamy, and highly well-drained, amending clay soils to prevent waterlogging.
Water regularly during the first growing season to establish a deep root system, maintaining moderate moisture thereafter.
Apply a balanced, slow-release fertilizer in spring if planting in poor soils, avoiding over-fertilization.

Pro Tip

Prune the shrub back hard in late winter close to its structural framework near the ground to maintain a dense shape and maximize flower production.

Keep It Thriving

Care Guide

Do

Prune hard in late winter to maintain a compact, productive shape.
Provide full sun to ensure dense growth and abundant flowering.
Ensure excellent soil drainage to prevent root rot.

Don't

Do not plant in wet, poorly draining sites where water pools.
Do not over-fertilize, which leads to excessive foliage at the expense of flowers.
Do not grow in heavy shade where the habit becomes sparse and weedy.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Pest Check
Propagate
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Mixed shrub bordersCoastal gardensCottage gardensButterfly gardens

Companion Plants

Callicarpa americana Ceanothus thyrsiflorus Salvia officinalis

Multiply

Propagation Methods

Good to Know

Common Questions

Orange Ball Tree questions

What zones can Orange Ball Tree grow in?

Orange Ball Tree is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Orange Ball Tree deer resistant?

Not reliably. Deer may browse Orange Ball Tree, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Orange Ball Tree bloom?

Orange Ball Tree typically blooms in early summer through mid-summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Orange Ball Tree need full sun?

Orange Ball Tree does best in full sun (6+ hours).

Is Orange Ball Tree drought tolerant?

Yes — once established (usually after the first full season), Orange Ball Tree handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.