Shrubby Jerusalem Sage

Phlomis fruticosa

Native to:
Albania, Cyprus, East Aegean Is., Greece, Italy, Kriti, NW. Balkan Pen., Sardegna, Sicilia, Transcaucasus, Türkiye

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Lamiaceae
Genus:
Phlomis
Species:
Phlomis fruticosa
USDA Symbol:
PHFR4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
120 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from the woody base after fire or hard pruning, typical of Mediterranean shrubs.

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in Mediterranean climates with dry summers

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–42 days
Notes:
Seeds germinate best at temperatures around 65-70°F after cold stratification. Light may improve germination rates.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society