Japanese flowering cherry 'Kanzan' and Persian silk tree are often considered for the same spot in the garden (specimen, flowers, shade). The data below shows where they differ: size, hardiness, care, toxicity and price.
Prunus serrulata 'Kanzan' 5 m × 4 m after 10 years
The best known Japanese flowering cherry: in late April and early May it is covered in fully double, vivid pink blossom, on a crown that is…
Albizia julibrissin 5 m × 4 m after 10 years
A small tree with a wide, flat, umbrella-like crown, finely divided fern-like foliage and pink, silky pompom flowers in midsummer that bees and…
Persian silk tree grows faster than Japanese flowering cherry 'Kanzan'.
Japanese flowering cherry 'Kanzan' is hardier: down to -23 °C, against -20 °C for Persian silk tree.
Persian silk tree tolerates drought better than Japanese flowering cherry 'Kanzan'.
Persian silk tree needs less water than Japanese flowering cherry 'Kanzan'.
Persian silk tree is cheaper: about HUF 8,800 at the size usually planted, against about HUF 30,000 for Japanese flowering cherry 'Kanzan'.
|
Feature
|
Japanese flowering cherry 'Kanzan'
|
Persian silk tree
|
|---|---|---|
| Group | Small tree | Small tree |
| Size after 10 years | 5 m × 4 m | 5 m × 4 m |
| Ultimate size | 7–12 m × 8–10 m | 6–12 m × 6–15 m |
| Growth rate | Medium | Fast |
| Light | Full sun | Full sun |
| Soil | Average garden soil, Clay, Sandy, Calcareous, Acidic | Average garden soil, Sandy, Clay, Calcareous, Acidic |
| Hardiness | down to -23 °C (USDA 6, RHS H7) | down to -20 °C (USDA 6, RHS H6) |
| Foliage | Deciduous | Deciduous |
| Flowering | April–May, pink | June–September, pink |
| Water need | Medium | Low |
| Drought tolerance | Medium | High |
| Maintenance | Medium | Medium |
| Planting distance | 600 cm | 600 cm |
| For dogs | Toxic | Toxic (uncertain) |
| For cats | Toxic | no data |
| For children | Mildly toxic (uncertain) | no data |
| Typical price | approx. HUF 30,000 | approx. HUF 8,800 |
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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