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Salvia uliginosa (Bog sage)

Beginner
skill rating
1 hour care
per year
1.5m
Max height
1m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Salvia uliginosa

Other names

Bog sage

Genus

Salvia Salvia

Species

S. uliginosa - S. uliginosa is a vigorous, clump-forming, moisture-loving, herbaceous perennial with oblong to lance-shaped, toothed, mid-green leaves and terminal racemes of two-lipped, blue flowers from late summer to mid-autumn.


Salvia uliginosa is: Deciduous

Fragrance

Foliage is aromatic

Habit

Clump-forming

Awards

RHS AGM (Award of Garden Merit)

Flower

Blue in Summer; Blue in Autumn

Foliage

Green in Summer; Green in Autumn

How to care

Watch out for

Specific pests

Leafhoppers , Slugs , Snails Leafhoppers , Slugs , Snails

Diseases

Generally disease-free

General care

Pruning

Removing spent flower spikes will encourage further flowers. Cut to the base when plant flops.

Propagation methods

Basal cuttings, Semi-hardwood cuttings, Softwood cuttings


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Where to grow

Salvia uliginosa (Bog sage) will reach a height of 1.5m and a spread of 1m after 2-5 years.

Suggested uses

Beds and borders, City, Coastal, Cottage/Informal, Mediterranean

Cultivation

Grow in moderately fertile, humus-rich, moist soil in full sun. Tolerates drier conditions. Typically requires support. Protect with a thick, dry mulch in winter. May become invasive in ideal growing conditions.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moist but well-drained, Moisture-retentive

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4), Tender in frost (H3)

Companion plants

Botanical name

Salvia uliginosa

Other names

Bog sage

Genus

Salvia Salvia

Species

S. uliginosa - S. uliginosa is a vigorous, clump-forming, moisture-loving, herbaceous perennial with oblong to lance-shaped, toothed, mid-green leaves and terminal racemes of two-lipped, blue flowers from late summer to mid-autumn.

Foliage

Deciduous

Fragrance

Foliage is aromatic

Habit

Clump-forming

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Blue in Summer; Blue in Autumn

Foliage

Green in Summer; Green in Autumn


How to care

Watch out for

Specific pests

Leafhoppers , Slugs , Snails

Diseases

Generally disease-free

General care

Pruning

Removing spent flower spikes will encourage further flowers. Cut to the base when plant flops.

Propagation methods

Basal cuttings, Semi-hardwood cuttings, Softwood cuttings


Monthly care advice


Where to grow

Salvia uliginosa (Bog sage) will reach a height of 1.5m and a spread of 1m after 2-5 years.

Suggested uses

Beds and borders, City, Coastal, Cottage/Informal, Mediterranean

Cultivation

Grow in moderately fertile, humus-rich, moist soil in full sun. Tolerates drier conditions. Typically requires support. Protect with a thick, dry mulch in winter. May become invasive in ideal growing conditions.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moist but well-drained, Moisture-retentive

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4), Tender in frost (H3)

USDA zones

Zone 9, Zone 8

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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Tell us...
Soil drainage: Moist but well-drained, Moisture-retentive Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4), Tender in frost (H3) Tell us...

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