Bog sage
Salvia uliginosa
Genus: Salvia
Species: uliginosa
Category: Perennials
Height: 2.00 m (200 cm)
Spread: 0.90 m (90 cm)
- Position: full sun or partial shade
- Soil: moderately fertile moist to well drained soil
- Rate of growth: average
- Flowering period: July to September
- Flower colour: turquoise
- Other features: aromatic foliage
- Hardiness: frost hardy (needs winter protection)
Stunning clear blue flowers appear in spikes on top of tall stems from summer to autumn. This tall salvia is perfect for adding a splash of colour at the back of a herbaceous border. It copes well in sun or light dappled shade and the flowers are a magnet for butterflies and bees. - Garden care: To prolong flowering remove the flower spikes as soon they start to fade. Apply a generous 5-7cm (2-3in) mulch of well-rotted garden compost or manure around the base of the plant in spring.
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