Mock orange and Ninebark are often considered for the same spot in the garden (flowers, screening, hedge, pollinator friendly). The data below shows where they differ: size, hardiness, care, toxicity and price.
Philadelphus coronarius 2.5 m × 2 m after 10 years
A large, upright then arching deciduous shrub grown for its white, intensely sweet-scented flowers in late May and June: plant it near a patio or seat…
Physocarpus opulifolius 2.5 m × 2 m after 10 years
An undemanding, fast-growing deciduous shrub with arching branches, rounded clusters of white or pinkish flowers in May and June and reddish, inflated…
Ninebark is hardier: down to -45 °C, against -34 °C for Mock orange.
Ninebark tolerates drought better than Mock orange.
Mock orange is cheaper: about €4.90 at the size usually planted, against about €7.40 for Ninebark.
|
Feature
|
Mock orange
|
Ninebark
|
|---|---|---|
| Group | Shrub | Shrub |
| Size after 10 years | 2.5 m × 2 m | 2.5 m × 2 m |
| Ultimate size | 3–4 m × 2.5–4 m | 1.5–3 m × 1.2–3 m |
| Growth rate | Fast | Fast |
| Light | Full sun, Part shade | Full sun, Part shade |
| Soil | Average garden soil, Clay, Calcareous | Average garden soil, Clay, Sandy, Calcareous, Acidic |
| Hardiness | down to -34 °C (USDA 4, RHS H7) | down to -45 °C (USDA 2, RHS H7) |
| Foliage | Deciduous | Deciduous |
| Flowering | May–June, white | May–June, white, pink |
| Water need | Medium | Medium |
| Drought tolerance | Medium | High |
| Maintenance | Low | Low |
| Planting distance | 150 cm | 150 cm |
| For dogs | Non-toxic (uncertain) | no data |
| For cats | Non-toxic (uncertain) | no data |
| For children | Non-toxic (uncertain) | no data |
| Typical price | approx. €4.90 | approx. €7.40 |
Prices are rounded, indicative values. Toxicity data is for information only. If your pet or child has eaten a plant, contact a vet or a doctor. Data updated: October 8, 2026
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