Salvia uliginosa
bog sage
A robust, moisture-loving, herbaceous perennial to 2m, with slightly sticky lance-shaped leaves and branched stems bearing short spikes of 2-lipped, clear blue flowers 2cm in length from late summer
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Blue | Green | ||
Autumn | Blue | Green | ||
Winter |
Position
- Full sun
Aspect
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Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Lamiaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
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
Correct
- Plant range
- Brazil to Argentina
How to grow
Cultivation
Grow in light, moderately fertile, humus-rich, moist soil in full sun; usually needs support
Propagation
Propagate by basal cuttings or softwood cuttings in spring or early summer or semi-hardwood cuttings in late summer or autumn with bottom heat
Suggested planting locations and garden types
- Mediterranean climate plants
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Gravel garden
- Wildlife gardens
- Flower borders and beds
Pruning
Cut back flower spikes to proling flowering
Pests
May be susceptible to sage leafhopper, slugs, snails and rosemary beetle
Diseases
May be susceptible to honey fungus (rarely), powdery mildews, verticillium wilt and foot and root rots
Salvia uliginosa
bog sage
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