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Herbaceous PerennialSynonym

Calamintha grandiflora 'Blue Cloud'

lesser calamint 'Blue Cloud'

A compact, mounded, semi-evergreen perennial with small hairy ovate toothed, mintily fragrant, dark green leaves beneath a cloud of long-lasting branched airy whorled spikes of small soft blue/lilac two-lipped flowers borne from July to September. Herb can be used for flavouring.

Synonyms

Calamintha nepeta subsp. glandulosa 'Blue Cloud'
Calamintha nepeta 'Blue Cloud'
see moreCalamintha grandiflora 'Blue Cloud'

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Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or East–facing or West–facing

Exposure

Exposed or Sheltered

Drought resistance

Yes

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)

Botanical details

Family: Lamiaceae
Native to the UK: No
Foliage: Semi evergreen
Habit: Clump forming
Genus: Calamintha are pleasantly aromatic perennials with ovate leaves and loose clusters of small, 2-lipped flowers in summer and autumn in the axils of the upper leaves
Name status: Accepted

How to grow

Cultivation

Thrives in a warm, open site in sun. Grow in humus-rich, well-drained or moist but well-drained soil in sun or partial shade. Does not run like mint, but may self- seed freely in a good site.

Propagation

Propagate by the division of clumps in spring or sow seed in containers in a cold frame in spring. Alternatively, sow at 20C in moist compost, keeping cooler after germination.

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Mediterranean climate plants
Flower borders and beds
Garden edging

Pruning

Rejuvenate in July with a cut back if necessary and cut to the base in autumn.

Pests

Generally pest-free. Rabbit and deer resistant

Diseases

Generally disease-free

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