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Black elder vs Mock orange

Black elder vs Mock orange

Black elder and Mock orange are often considered for the same spot in the garden (screening, hedge, flowers, pollinator friendly). The data below shows where they differ: size, hardiness, care, toxicity and price.

Illustration of Black elder

Black elder

Sambucus nigra 4 m × 3.5 m after 10 years

A native, very fast-growing, spreading shrub or small tree that carries large, creamy white, strongly scented flower plates from late spring and…

Shrub
Full sun
Part shade
from about €4
Illustration of Mock orange

Mock orange

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…

Shrub
Full sun
Part shade
from about €2.80

Key differences

  • Mock orange is hardier: down to -34 °C, against -29 °C for Black elder.

  • Mock orange needs less care than Black elder.

The data side by side

Feature
Black elder
Mock orange
Group Shrub Shrub
Size after 10 years 4 m × 3.5 m 2.5 m × 2 m
Ultimate size 3–10 m × 2.4–6 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 -29 °C (USDA 4, RHS H7) down to -34 °C (USDA 4, RHS H7)
Foliage Deciduous Deciduous
Flowering May–July, white, pink May–June, white
Water need Medium Medium
Drought tolerance Medium Medium
Maintenance Medium Low
Planting distance 250 cm 150 cm
For dogs Mildly toxic (uncertain) Non-toxic (uncertain)
For cats Mildly toxic (uncertain) Non-toxic (uncertain)
For children Mildly toxic Non-toxic (uncertain)
Typical price approx. €17 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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