Tuberous Jerusalem Sage
Phlomoides tuberosa
- Native to:
- Albania, Austria, Bulgaria, China, Czechia-Slovakia, Greece, Hungary, Iran, Kazakhstan, Kirgizstan, Krym, North Caucasus, NW. Balkan Pen., Romania, Russia, Transcaucasus, Türkiye, Ukraine
Le.Loup.Gris






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Lamiaceae
- Genus:
- Phlomoides
- Species:
- Phlomoides tuberosa
- USDA Symbol:
- PHTU2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 150 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- pink, purple, lavender
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Native to steppe and grassland habitats adapted to periodic fire; resprouts from tuberous roots.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky slopes and meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds germinate best with cold stratification. Light may aid germination.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.