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Herbaceous Perennial

Monarda 'Blaustrumpf'

bergamot 'Blaustrumpf'

A clump-forming perennial to 90cm tall, bearing aromatic, lance-shaped, purple tinged, mid-green to dark green leaves, and producing tiers of deep violet-purple flowers with purple bracts on upright stems from midsummer to early autumn

Synonyms

Monarda 'Blue Stocking'
Monarda Blue Stocking

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Clay

Loam

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–facing or East–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)

Botanical details

Family: Lamiaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Monarda can be annuals or clump-forming herbaceous perennials with aromatic, ovate leaves and terminal whorls of 2-lipped, tubular flowers from summer to early autumn
Name status: Accepted

How to grow

Cultivation

Grow in moderately fertile, humus-rich, moist but well-drained soil in full sun or partial shade. Protect from excessive winter wet and do not allow to dry out in summer. Lift and divide every three years.

Propagation

Propagate by division in spring or root basal softwood cuttings in spring

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Gravel garden
Wildlife gardens
Flower borders and beds

Pruning

Deadheading regularly may prolong flowering; cut back to ground level in autumn

Pests

May be susceptible to slugs, especially in spring

Diseases

This cultivar is said to show good resistance to powdery mildews that often affect Monarda

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