Flowering shrub
Mock orange
Philadelphus coronarius
A classic fragrant shrub for mixed borders, informal screens and seating areas.
Planning parameters
Use these values as a practical planning envelope: they describe the adult plant, not the young seedling.
- Adult height
- 2-3 m
- Crown diameter
- 2.2 m
- Root zone
- 2.5 m
- Root type
- Fibrous, moderately spreading
- Lifecycle
- Perennial
- Recommended setback
- 1.5-2 m from paths and walls
- Growth rate
- Medium / fast
- Hardiness
- USDA 4-8
- Crown density
- Medium / dense
Site requirements
These conditions decide whether the plant will establish well after planting.
- Hell
- Sun / partial shade
- Watering
- Moderate
- Soil type
- Fertile drained loam
- Drainage
- Drained, evenly moist
- Soil pH
- Neutral, tolerates slightly alkaline
Root system and placement
Moderately spreading fibrous roots; suitable near garden paths with a setback.
Garden role and season
These fields help choose the plant by composition, privacy, flowering and year-round value.
- Form
- Upright rounded flowering shrub
- Foliage
- Deciduous
- Season
- Early summer fragrance
- Bloom
- White fragrant flowers
- Fruit
- Dry capsules, not decorative
- Garden use
- Flowering screen, mixed border, seating area accent
Care and risks
This is the practical part for future maintenance and safe placement on the plot.
- Maintenance
- Low / medium
- Pruning
- Prune after flowering; remove old stems
- Risks
- Poor flowering in deep shade; can become leggy without pruning.