Agastache rugosa f. albiflora

Synonyms

Agastache rugosa 'Alba'
Agastache rugosa subsp. albiflora

Herbaceous Perennial

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A clump-forming aromatic perennial about 1-1.5m tall, with upright stems bearing pointed, hairy mid-green leaves to 10cm long, and in summer, dense terminal spikes to 10cm long of hairy white flowers

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.5-1 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Loam Sand

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

Position

Full sun

Aspect: South–facing or West–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

Fragrance Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Agastache are herbaceous perennials with simple, aromatic leaves and small 2-lipped tubular flowers in whorls forming dense spikes, in summer and autumn; some are rather tender but can be grown as annual bedding
Name Status: Correct

How to Grow

Cultivation

Grow in well-drained fertile soil in full sun, with shelter

Propagation

Propagate by seed or propagate by division in early spring

Suggested planting locations and garden types

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

Pruning

Remove spent flower spikes as they fade

Pests

Generally pest-free

Diseases

May be susceptible to Powdery mildews