Phlomis russeliana | Jerusalem Sage

Phlomis russeliana | Jerusalem Sage

Phlomis russeliana, also known as Turkish Sage, is a highly architectural and robust perennial that brings structure, texture, and year-round interest to any garden. This low-maintenance, drought-tolerant plant features large, bold foliage that suppresses weeds, whorls of creamy yellow flowers that bloom in summer, and striking seed heads that add beauty to the winter garden. A true all-rounder, this plant is perfect for wildlife gardens, borders, and dry landscapes, attracting bees and pollinators throughout the growing season.

Key Features:

• Architectural perennial with bold foliage and unique flowering habit
• Creamy yellow blooms appear in whorls from late spring to early summer
• Evergreen foliage offers year-round interest and weed suppression
• Winter seed heads provide beauty and food for wildlife
• Drought-tolerant and thrives in well-drained soils
• Pollinator-friendly, attracting bees and beneficial insects

Sowing Instructions:

• Sowing Time: January - February
• Method: Sow in a cold frame onto moist, well-drained seed compost
• Depth: Surface sow and lightly cover with a fine layer of soil
• Temperature: Keep at 5°C
• Germination Time: Variable, may take several months—do not discard prematurely
• Transplanting: When seedlings are large enough, transfer to 8 cm pots and grow on
• Planting Out: Acclimatize and plant outside after the last frost

Growing Conditions:

• Soil: Fertile, well-drained, rocky or sandy soil
• Sunlight: Prefers full sun, but tolerates partial shade
• Drought-Tolerant: Thrives in dry conditions once established

Cultivation & Care:

• Propagation: By division in spring
• Pruning: Group 8—cut back in April-May or after flowering
• Winter Interest: Seed heads can be left for structural beauty and wildlife food
• Dominance Control: Can spread—cut back to near ground level in late autumn if needed

Plant Details:

• Flowering Time: June - July
• Height/Spacing: 80 cm / 50 cm
• Best For: Wildlife gardens, borders, dry landscapes
• Special Notes: Evergreen, bee-friendly, low maintenance

Enhance your garden with the bold structure and long-lasting beauty of Phlomis russeliana! A standout choice for low-maintenance gardening, pollinator support, and architectural planting schemes.