Agastache aurantiaca 'Tango'

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giant hyssop 'Tango'

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giant hyssop 'Tango' RHS / Joanna Kossak
giant hyssop 'Tango' RHS / Joanna Kossak

Synonyms

Agastache 'Tango'

Plants for pollinators
Bedding Herbaceous Perennial Annual Biennial
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A quick-growing, clump-forming perennial to about 50cm, often grown as an annual. It has grey-green, aromatic foliage and spikes of well-spaced, yellow and orange, tubular flowers from mid-summer into autumn

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

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
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
Unresolved

How to Grow

Cultivation

Grow in a sunny position in well-drained soil. Tends to be short-lived but will self seed

Propagation

Propagate by seed

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • City and courtyard gardens
  • Flower borders and beds
  • Cut flowers

Pruning

Remove spent flowering spikes through the season

Pests

Generally pest-free

Diseases

Generally disease-free