Pittosporum tenuifolium (Kohuhu Silver Ball) 'Purpureum'
Dark purple black foliage creates a dramatic evergreen presence, the small, glossy leaves appearing almost black in certain lights while maintaining their rich colour year round. Wavy-edged leaves on near-black stems form a dense, bushy shrub that offers exceptional contrast against lighter plants in borders and hedges. Tiny, fragrant maroon flowers emerge in late spring, their chocolatey scent most noticeable during warm evenings. More intense in its dark colouring than many purple-leaved shrubs, it provides superb backdrop for silver or golden foliage plants. Resilient to coastal conditions and urban pollution, it thrives in sun or partial shade while tolerating most well-drained soils. Perfect for adding depth to contemporary planting schemes, the sombre foliage combines beautifully with bright perennials or variegated companions. A striking choice for creating formal hedges or architectural accents in mixed borders where its dark elegance can be fully appreciated.
Family of Trees: Pittosporaceae
Habit: Shrub, Suitable for Hedging
Growth Rate: 20 to 40 cm/year
Optimal Temperature: 15-25°C, hardy to -10°C
Harmful if Eaten?: Mildly toxic if ingested
Flowers or Berries: Small Dark Purple Flowers, Berry-like Capsules
Hardiness: H4 (Hardy)
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
- ○ H1a: under glass all year (>15C)
- ○ H1b: can be grown outside in the summer (10 - 15)
- ○ H1c: can be grown outside in the summer (5 - 10)
- ○ H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
- ○ H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
- ○ H4: hardy through most of the UK (-10 to -5)
- ○ H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
- ○ H6: hardy in all of UK and northern Europe (-20 to -15)
- ○ H7: hardy in the severest European continental climates (< -20)
| Spring | Summer | Autumn | Winter | |
|---|---|---|---|---|
| Leaves | ||||
| Flowers | ||||
| Berries |
Spring
Summer
Autumn
Winter
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