Salvia chamaedryoides

RHS Plant Profile

germander sage

Other common names

Mexican blue sage

Synonyms

Salvia semiatrata misapplied

Herbaceous Perennial

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A low-growing, woody-based perennial, to about 30cm tall, with grey-green leaves and deep, vibrant blue flowers with wide lips, in terminal spikes, in late summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.5-1 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: West–facing or South–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
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: S.USA & N. Mexico

How to Grow

Cultivation

Grow in an open, sunny situation in well-drained soil

Propagation

Propagate by seed, or by division, or by softwood cuttings in spring or early summer or semi-ripe cuttings in late summer or autumn with bottom heat

Suggested planting locations and garden types

Coastal
City and courtyard gardens
Cottage and informal garden
Wildlife gardens
Flower borders and beds
Wall side borders

Pruning

Cut back spent flower spikes to prolong flowering

Pests

May be susceptible to slugs and snails, capsid bug, rosemary beetle and leafhoppers

Diseases

May be susceptible to honey fungus (rarely), powdery mildews, verticillium wilt and foot and root rots