Caucasian stonecrop and Kamchatka stonecrop are often considered for the same spot in the garden (ground cover, flowers, pollinator friendly, container). The data below shows where they differ: size, hardiness, care, toxicity and price.
Sedum spurium 15 cm × 90 cm after 10 years
A low, succulent ground cover that quickly knits a dense mat with its rooting stems and is covered in pink, red or white starry flowers in summer,…
Sedum kamtschaticum 15 cm × 45 cm after 10 years
A low, dense, mat-forming succulent perennial that covers itself in golden yellow star flowers in summer and turns orange to reddish in autumn. It…
Caucasian stonecrop spreads wider: 15 cm × 90 cm after ten years, against 15 cm × 45 cm for Kamchatka stonecrop.
|
Feature
|
Caucasian stonecrop
|
Kamchatka stonecrop
|
|---|---|---|
| Group | Ground cover | Ground cover |
| Size after 10 years | 15 cm × 90 cm | 15 cm × 45 cm |
| Ultimate size | 5–15 cm × 45–90 cm | 8–18 cm × 25–45 cm |
| Growth rate | Fast (uncertain) | Medium |
| Light | Full sun, Part shade | Full sun |
| Soil | Average garden soil, Sandy, Calcareous | Average garden soil, Sandy |
| Hardiness | down to -34 °C (USDA 4, RHS H7) | down to -40 °C (USDA 3, RHS H7) |
| Heat tolerance | High | High (uncertain) |
| Foliage | Semi-evergreen | Semi-evergreen |
| Flowering | June–August, pink, red, white | June–August, yellow |
| Water need | Low | Low |
| Drought tolerance | High | High |
| Maintenance | Low | Low |
| Planting distance | 30 cm | 30 cm |
| For dogs | no data | Non-toxic (uncertain) |
| For cats | no data | Non-toxic (uncertain) |
| For children | Mildly toxic (uncertain) | Mildly toxic |
| Typical price | approx. PLN 13 | no data |
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 17, 2026
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