Growing Tips for Salvia viridis ‘Marble Arch Blue’ – Annual Clary Sage
Salvia viridis ‘Marble Arch Blue’, also known as Blue-topped Sage, Green-topped Sage, Annual Clary Sage, or Painted Sage, is an eye-catching annual belonging to the Lamiaceae family. This plant displays colorful bluish bracts on its stems during the summer, making it a popular choice for gardens and containers. It can also be referred to as Salvia horminum ‘Marble Arch Blue’.
Foliage and Fragrance: Interestingly, Salvia viridis ‘Marble Arch Blue’ is primarily grown for its foliage rather than its flowers. The leaves of this variety are not only fragrant but also undergo a captivating transformation, turning shades of blue or violet during the summer. While the flowers may be insignificant, the foliage more than compensates for it.
Cultivation of Salvia viridis ‘Marble Arch Blue’:
Sun and Soil Requirements: Plant Salvia viridis ‘Marble Arch Blue’ in a sunny location that receives full sun. It thrives in moist, well-drained soil. If planting in the ground, amending the soil with compost or organic matter can enhance drainage. For container cultivation, opt for a potting mix specifically designed for herbs.
Protection from Wind: Provide shelter from strong winds, as Salvia viridis ‘Marble Arch Blue’ benefits from a protected growing environment.
Watering: Water the plant regularly, particularly during hot and dry weather. Allow the soil to slightly dry out between waterings to prevent overwatering.
Fertilization: Apply a balanced fertilizer once a month during the growing season to provide essential nutrients.
Sun Exposure: Salvia viridis ‘Marble Arch Blue’ prefers full sun exposure. However, in hot climates, providing some afternoon shade can help protect the plant from excessive heat.
Pest and Disease Management: This variety of sage is generally resistant to pests and diseases. However, aphids and spider mites can occasionally pose a threat. In such cases, you can treat them with insecticidal soap or neem oil.
Propagation Methods:
Salvia viridis ‘Marble Arch Blue’ can be propagated through seeds or stem cuttings. While seed germination can be slow, stem cuttings are often a more straightforward option. To propagate using stem cuttings, select a healthy plant and cut a 4-6 inch piece of stem. Remove the bottom leaves and dip the cutting in the rooting hormone. Plant it in a well-draining potting mix, keep the soil consistently moist, and the cutting should develop roots within 2-4 weeks.
By following these cultivation tips, you can enjoy the vibrant foliage and fragrance of Salvia viridis ‘Marble Arch Blue’ in your garden or container plantings.
