Turkish Sage (Phlomis russeliana)

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Sunlight Full sun to partial shade; tolerates hot, dry conditions without scorching

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Watering Water deeply then let soil dry completely; drought-tolerant once established

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Temperature Hardy to -15°C; withstands summer heat up to 35°C with minimal stress

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Leaf: Heart-shaped, fuzzy gray-green leaves with serrated margins; aromatic when crushed
Flower: Dense whorls of tubular yellow flowers on upright stems
Stem: Stiff, square stems covered in soft pubescence

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Watering

Water regularly during active growth; avoid overwatering to prevent root rot

Fertilization

Apply diluted balanced feed once at start of growth. Avoid over-fertilization to preserve drought tolerance

Eggshell powder topdress：Grind dried eggshells into fine powder; sprinkle lightly on soil surface and water in to release nutrients gradually

Pruning

Deadhead spent flower whorls to extend the blooming period
Cut back stems to basal foliage in late autumn to prepare for dormancy
Thin overcrowded clumps in early spring to improve airflow and reduce disease risk

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats; no reported toxicity

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Culture: N/A

Usage: Ornamental border plant; aromatic foliage for potpourri arrangements