Agastache 'Blue Fortune'

RHS Plant Profile
giant hyssop 'Blue Fortune'

Synonyms

Agastache barberi 'Blue Fortune'

Award of Garden MeritPlants for pollinators
Herbaceous Perennial

An upright, deciduous perennial forming a clump of green, aromatic leafy stems. Dense spikes of small, violet-blue flowers appear from summer to early autumn

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H6

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
Bushy
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
Accepted

How to Grow

Cultivation

Can be used as a gap-filler in herb gardens or in sunny, dry places, for example at the base of walls. Grows best in well-drained alkaline soil but will tolerate poor acid soils. Tends to be short-lived

Propagation

Propagate by division in spring or propagate by semi-ripe cuttings in late summer for overwintering under cover. This cultivar is sterile

Suggested planting locations and garden types

  • Cottage and informal garden
  • Gravel garden
  • Mediterranean climate plants
  • Banks and slopes
  • Flower borders and beds

Pruning

Remove spent flowering spikes through the season

Pests

Generally pest-free

Diseases

Generally disease-free