Salvia guaranitica 'Black and Blue'
anise-scented sage 'Black and Blue'
A tall perennial with a running rootstock, forming a wide clump of stems bearing ovate leaves and loose spikes of dark blue flowers 4cm long, each set in black calyx, and opening in late summer and autumn
Ultimate height1.5–2.5 metres
Time to ultimate height1–2 years
Ultimate spread1–1.5 metres
pHAcid, Alkaline, Neutral
Colour & scent
- Full sun
South–facing or West–facing
- Native to the UK
Salvia can be annuals, biennials, herbaceous or evergreen perennials, or shrubs. They have paired, simple or pinnately lobed, often aromatic leaves and 2-lipped flowers in whorls, forming simple or branched spikes or racemes
- Name status
How to grow
Best grown in full sun in well-drained soil with shelter from cold winds. Maintain low humidity for plants overwintered indoors in a greenhouse. Under glass grow in well-drained loamless or loam-based potting compost (JI No.2) in full light with shade from hot sun
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Flower borders and beds
- Wall side borders
Deadhead faded flowers
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