Guelder rose and Mock orange are often considered for the same spot in the garden (flowers, hedge, screening, pollinator friendly). The data below shows where they differ: size, hardiness, care, toxicity and price.
Viburnum opulus 3 m × 2.5 m after 10 years
A fast-growing, large native shrub with lobed, maple-like leaves, flat white lacecap flowers in May and June, red autumn foliage and glossy red…
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…
Guelder rose is hardier: down to -40 °C, against -34 °C for Mock orange.
Mock orange tolerates drought better than Guelder rose.
Mock orange needs less water than Guelder rose.
Mock orange needs less care than Guelder rose.
|
Feature
|
Guelder rose
|
Mock orange
|
|---|---|---|
| Group | Shrub | Shrub |
| Size after 10 years | 3 m × 2.5 m | 2.5 m × 2 m |
| Ultimate size | 3–5 m × 2.5–4.5 m | 3–4 m × 2.5–4 m |
| Growth rate | Fast | Fast |
| Light | Full sun, Part shade | Full sun, Part shade |
| Soil | Average garden soil, Clay, Sandy, Calcareous, Acidic | Average garden soil, Clay, Calcareous |
| Hardiness | down to -40 °C (USDA 3, RHS H7) | down to -34 °C (USDA 4, RHS H7) |
| Foliage | Deciduous | Deciduous |
| Flowering | May–June, white | May–June, white |
| Water need | High | Medium |
| Drought tolerance | Low | Medium |
| Maintenance | Medium | Low |
| Planting distance | 200 cm | 150 cm |
| For dogs | no data | Non-toxic (uncertain) |
| For cats | no data | Non-toxic (uncertain) |
| For children | Mildly toxic | Non-toxic (uncertain) |
| Typical price | approx. €14 | approx. €14 |
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 13, 2026
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