Pieris formosa var. forrestii 'Jermyns'

RHS Plant Profile

Taiwan pieris 'Jermyns'

Shrubs

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An evergreen shrub to 3m tall with finely-toothed, dark glossy green foliage, the new growth emerging bright red in spring. Panicles of slightly fragrant, urn-shaped white flowers emerge from pinkish-red buds in spring

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

2.5-4 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 10–20 years
Max Spread: 1.5-2.5 metres
Max Height: 2.5-4 metres

Growing Conditions

Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid

Position

Full sun Partial shade

Aspect: South–facing or West–facing or East–facing
Exposure: Sheltered
Hardiness

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): H5

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Ericaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Potentially harmful: Harmful if eaten. Wear gloves and other protective equipment when handling. Pets (dogs, cats, rabbits, rodents, tortoises): Harmful if eaten - For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Pieris are compact evergreen shrubs with leathery, dark green leaves, often brightly coloured when young, and small white urn-shaped flowers borne in panicles in spring
Name Status: Accepted

How to Grow

Cultivation

Grows well in acidic, moderately fertile, humus-rich soil but may need some protection in winter when young

Propagation

Propagate by softwood cuttings in early summer or semi-hardwood cuttings in late summer

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Architectural
Low Maintenance
Flower borders and beds
Cut flowers

Pruning

Pruning group 8

Pests

May be susceptible to pieris lacebug

Diseases

May be susceptible to honey fungus (rarely), Phytophthora root rot, and fungal leaf spot