How to Grow Pittosporum 'Golf Ball'

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Pittosporum 'Golf Ball'

Pittosporum tobira 'Golf Ball'

shrub

Pittosporum 'Golf Ball' is a compact, dwarf cultivar of Japanese pittosporum that forms a dense, rounded mound resembling a golf ball in shape. This evergreen shrub features small, glossy, dark green leaves and is prized as an ornamental for its tidy, naturally mounded form that requires minimal pruning. It's excellent for foundation plantings, containers, and formal gardens.

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Example Pittosporum 'Golf Ball' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Pittosporum 'Golf Ball'

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Pittosporum 'Golf Ball'

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Pittosporum 'Golf Ball' dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to partial shade, 6+ hours of sunlight daily; tolerates partial shade but denser growth in full sun
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Water: Moderate watering; water regularly during establishment (first season), then drought-tolerant once established. Allow soil to dry between waterings. Reduce watering in winter.
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Spacing: 24 inches
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Days to maturity: Not applicable (ornamental shrub)
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Planting depth: Plant at same depth as root ball; do not bury stem

Soil

Type: Well-draining loamy to sandy soil
pH: 6.0-7.5
Amendments:
Peat moss or coconut coir for moisture retention Perlite or pumice for drainage Compost for organic matter

Growing Zones

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Thrives in zones 8b-11, with best performance in zones 9-10

8b 9a 9b 10a 10b 11a 11b

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Growth Stages

1

Establishment

6-8 weeks

Young plant acclimating to garden conditions with active root development

Water consistently to keep soil evenly moist (not waterlogged). Mulch around base. Avoid fertilizing first 4-6 weeks.

2

Vegetative Growth

Several months to years depending on desired size

Dense foliage development with the characteristic compact, rounded form becoming more apparent

Water moderately. Apply balanced fertilizer (10-10-10) in spring and early summer. Minimal pruning needed; shape as needed in late winter or early spring.

3

Flowering

4-6 weeks

Small, creamy-white to pale yellow fragrant flowers appear in clusters among the foliage (typically late spring)

No special care needed. Flowers are lightly fragrant and attract pollinators. Light deadheading optional if neatness desired.

4

Fruiting

Several months, capsules persist into fall

Small ornamental seed capsules develop after flowering, maturing from green to orange-red

Seeds can self-sow; remove capsules if you wish to prevent volunteer seedlings. Otherwise, minimal intervention needed.

5

Dormancy/Winter

3-4 months

Growth slows significantly in cooler months; foliage remains on plant year-round

Reduce watering in winter. In zone 8b, provide light frost protection or wind shelter. No pruning necessary unless cleaning dead wood.

Companion Planting

Plan your garden →

Plant with:

Trachelospermum jasminoides (Star jasmine) Ilex crenata (Japanese holly) Buxus microphylla (Little-leaf boxwood) Loropetalum chinense (Chinese witch hazel) Dwarf ornamental grasses Dwarf conifers (Cryptomeria, Juniperus) Azaleas (Rhododendron spp.) Japanese maples

Avoid planting near:

Plants requiring consistently wet soil (incompatible drainage preferences) Acid-loving plants in alkaline soils (if your soil tends very high pH)

Common Pests

  • Inspect regularly, especially new growth. Spray with horticultural oil or insecticidal soap in late winter or early spring. Severe infestations may require systemic insecticide.

  • Increase humidity and water foliage in hot, dry conditions. Spray with water to dislodge. Use miticide if severe; neem oil is a natural option.

  • Spray with strong water stream or horticultural soap. Introduce beneficial insects like ladybugs. Neem oil for moderate infestations.

  • Yellow sticky traps to monitor populations. Spray with insecticidal soap or neem oil on undersides of leaves.

Uses

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Culinary use

Culinary

Pittosporum is not typically consumed but some Asian cuisines use pittosporum leaves in traditional preparations. The plant is primarily ornamental. [source]

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Ornamental screening and foundation planting

Household

The compact, naturally rounded form makes 'Golf Ball' ideal for formal gardens, hedging, topiary, container growing, and low-maintenance foundation plantings. Its evergreen foliage provides year-round visual interest. [source]

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Floral arrangements and cut greenery

Craft

The glossy, fine-textured foliage is attractive in floral arrangements and can be cut for decorative greenery. Small fragrant flowers are suitable for cut arrangements. [source]

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Pollinator support

Wildlife

The small, fragrant flowers attract bees and other pollinators in spring. The dense evergreen foliage provides shelter for birds and small wildlife year-round. [source]

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Traditional medicine

Medicinal

In traditional Asian medicine, Pittosporum tobira has been used in some preparations, though 'Golf Ball' is primarily grown for ornament rather than medicinal purposes. [source]

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

Harvest Tips

Not harvested; ornamental plant. Deadheading spent flowers is optional for tidiness. Seeds can be collected in fall if propagation desired.

Fun Facts

  • 🌱 Pittosporum 'Golf Ball' got its cultivar name from its perfectly spherical, ball-like growth habit, which requires very little pruning to maintain its distinctive shape.
  • 🌱 Pittosporum tobira is native to Japan, China, and Taiwan, where it has been cultivated for centuries as an ornamental plant; the genus name comes from Greek 'pitta' (pitch) and 'spora' (seed), referring to the resinous coating on seeds.
  • 🌱 The plant's fragrant flowers are particularly aromatic in the evening and can scent an entire garden; the small orange seed pods that follow the flowers are ornamental but can self-seed prolifically if left on the plant.

Gardening Terms

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