Overview

Philadelphus coronarius is a bushy shrub in the genus Philadelphus, part of the Hydrangeaceae family, with deciduous foliage. It typically grows around 4.0 m tall. Philadelphus coronarius grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H7. Suggested uses include borders, cottage gardens, screening and scented gardens. It is native to North Caucasus, Transcaucasus and Türkiye.

About

Philadelphus coronarius is a species of flowering plant in the family Hydrangeaceae, native to the Caucasus and northeastern Turkey.

Wikipedia contributors, CC BY-SA 4.0 — Philadelphus coronarius

About the genus

Philadelphus (mock-orange) is a genus of about 60 species of shrubs from 3–20 ft tall, native to North America, Central America, Asia and (locally) in southeast Europe.

Wikipedia contributors, "Philadelphus", CC BY-SA 4.0 — Philadelphus

Growing conditions

Best soil and position for Philadelphus

Sunlight
Full sun
Soil type
Sandy, Loamy, Clay
Soil pH
Acid, Neutral, Alkaline
Soil moisture
Moist but well-drained
Aspect
West-facing
Exposure
Sheltered
UK hardiness
H7

Plant details

Philadelphus coronarius size, habit and characteristics

Plant type
Shrub
Habit
Bushy
Foliage
Deciduous
Height
4.0 m
Suggested uses
Borders, Cottage gardens, Screening, Scented gardens
Native to
North Caucasus, Transcaucasus, Türkiye
Fragrance
Yes

Care notes

Pruning and caring for Philadelphus coronarius

Propagation
Hardwood cuttings, Softwood cuttings
Pest resistance
Aphids
Disease resistance
Honey fungus, Powdery mildews

Frequently asked questions

Where is the best place to plant Philadelphus coronarius?

Philadelphus coronarius prefers full sun. It suits sheltered positions.

What soil does Philadelphus coronarius need?

Philadelphus coronarius is adaptable and grows happily in most soil types, including sandy, loamy and clay. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

How big does Philadelphus coronarius grow?

Philadelphus coronarius reaches a height of 4.0 m.

Is Philadelphus coronarius hardy in the UK?

Philadelphus coronarius has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Philadelphus coronarius?

Hardwood cuttings, Softwood cuttings.

From the Fenn Plants journal