Living plant profile
October daphne
Sedum sieboldii
Botanical Dossier Standard V2 • Saigon Cay Canh undefined (Sedum sieboldii) Stonecrop family (Crassulaceae) • Living Herbarium Official Monograph 🧭 Sài Gòn Cây Cảnh Care Compass CARE COMPASS 360° ☀️ Light Bright indirect diffused light (2,500 – 5,000 lux) 💧 Water Even moisture, water when topsoil dries 🪴 Substrate Porous, free-draining botanical substrate mix 🌡️ […]

undefined (Sedum sieboldii)
Stonecrop family (Crassulaceae) • Living Herbarium Official Monograph
Sài Gòn Cây Cảnh Care Compass
1. Botanical Overview & Quick Identification
| Scientific Name | Sedum sieboldii |
|---|---|
| Botanical Family | Stonecrop family (Crassulaceae) |
| Vietnamese Vernacular | Sen đá lá đồng tiền mùa thu |
| International Common Name | October daphne |
| Growth Habit | Succulent herbaceous perennial, fleshy water-storing foliage arranged in tight symmetrical rosettes or creeping stems |
| Light Requirement | Bright indirect diffused light (2,500 – 5,000 lux) |
| Watering Protocol | Even moisture, water when topsoil dries |
| Optimal Substrate | Porous, free-draining botanical substrate mix |
| Ideal Temperature | 18°C – 32°C (64°F – 90°F) |
| Ambient Humidity | 60% – 85% |
| Cultivation Difficulty | Easy to Moderate |
| Pet Safety | Non-toxic to pets according to ASPCA standards |
undefined (botanical nomenclature: Sedum sieboldii) is a celebrated succulent perennial belonging to the Stonecrop family (Crassulaceae). It is cherished worldwide for its architectural foliar geometry, dynamic color shifts in response to sunshine, and remarkable resilience in arid habitats.
2. Morphological Characteristics & Diagnostic Markers

October daphne Sedum sieboldii of Japan, an arching perennial succulent with rounded, scalloped blue-green leaves arranged in whorls of three, edged in hot pink and flowering in autumn.
Key vegetative traits include specialized succulent parenchyma tissues engineered to retain cellular water reserves under intense heat. The waxy epidermal layer reduces evapotranspiration to near-zero levels during hot daylight hours.
- Habit & Stems: Sprawling, decumbent, or miniature shrubby branches forming lush clustered colonies over time.
- Foliage Architecture: Plump, succulent leaves arranged in dense symmetrical geometry or ornamental whorls.
- Coloration: Brilliant tones spanning jade-green, amber-orange, glowing bronze, and silvery-lavender according to sun exposure.
3. Taxonomy & Phylogenetic Lineage
Classified under the APG IV system within Stonecrop family (Crassulaceae), Sedum sieboldii stands as an evolutionary triumph of succulent flora in dry rocky micro-climates.
4. Distribution & Wild Ecological Habitat
Endemic to rocky cliff ledges and dry mountainous slopes with excellent natural drainage and unobstructed atmospheric airflow.
5. Light Requirements & Photometric Parameters
Bright indirect to soft direct morning sun (4,000 – 8,000 lux). Bright morning sunlight encourages compact, vibrant growth and prevents foliar stretching.
6. Irrigation Protocol & Moisture Management
Water as substrate dries; reduce hydration in winter rest. Employ the classic soak-and-dry watering protocol, allowing the substrate to dry out thoroughly between sessions.
7. Substrate Composition & Drainage Requirements
Pumice grit, organic coco peat, well-draining loam. Highly porous mineral aggregates ensure water percolates freely without waterlogging sensitive root hairs.
8. Thermal Tolerances & Ventilation Requirements
Maintains peak vigor between 14°C – 32°C. with ambient humidity around 40% – 65%.. Consistent gentle air movement prevents stagnant humidity pockets.
9. Pest Prevention & Cultural Troubleshooting
Occasionally susceptible to mealybugs if kept in stagnant, humid corners. Treat promptly with neem oil or isopropyl alcohol swabs and optimize air circulation.
| Observed Symptom | Underlying Etiology | Remedial Corrective Action |
|---|---|---|
| Fleshy succulent leaves turn translucent, mushy and blacken | Overwatering inducing hypoxic root rot and bacterial decay | Cease watering immediately; unpot, excise rot, dry cut surfaces 3 days, repot in dry pumice |
| Stems become leggy, elongated, and rosettes lose compact shape | Etiolation caused by chronic photosynthetic light deficiency | Acclimate gradually to direct bright sunlight (4-6 hours daily) or install intense grow lights |
| Leaves appear wrinkled, shriveled, and limp to the touch | Prolonged dehydration exhausting internal water-storage parenchyma | Submerge bottom of pot in shallow water for 15 minutes to rehydrate substrate thoroughly |
| White fluffy cotton-like deposits nestled in leaf axils or roots | Mealybug (Pseudococcidae) colonies extracting plant sap | Spot-treat with cotton swabs dipped in 70% isopropyl alcohol; drench root zone if necessary |
| Dry, corky brown or silver patches appearing on upper foliage | Solar scorch from sudden abrupt exposure to intense midday ultraviolet radiation | Filter harsh midday sun with sheer shade cloth; reserve direct exposure for gentle morning hours |
10. Horticultural Propagation Techniques
Propagates effortlessly from mature leaf cuttings or stem offsets. Allow cut ends to callus for 2-3 days before nesting on lightly moist gritty medium.
11. Biophilic Design & Landscape Applications

An exemplary addition to artisan ceramic containers, minimalist office workstations, modern sunny windowsill arrangements, and drought-tolerant rock gardens.
12. Toxicity Profile & Household Safety
Harmless and non-toxic to household animals.
Nursery Care Journal & Living Greenery Moments
At Saigon Cay Canh greenhouse, each photograph captures genuine everyday care moments between plant lovers and living greenery, spreading a passion for nature and green-living inspiration.

13. Curated Botanical Inquiries (FAQs)
How does one know when hydration is required?
Lower leaves soften slightly and display faint wrinkles, signaling that cellular reservoirs are depleted and ready for deep hydration.
Why do succulent leaves stretch or pale in color?
Etiolation occurs when the plant lacks sufficient direct sunlight. Relocate gradually to brighter exposure to restore tight, colorful rosettes.