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Annual BiennialBeddingHerbaceous Perennial

Agastache 'Tangerine Dreams'
  • RHS Plants for pollinators

giant hyssop 'Tangerine Dreams'

'Tangerine Dreams' is a short-lived perennial, to 90cm tall, that is often grown as an annual. It has triangular leaves and large tiers of numerous orange flowers with contrasting dark, reddish-brown calyces borne over a long period from mid summer to early autumn

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Orange Pink Green
Autumn Orange Pink Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H3
Botanical details
Family
Lamiaceae
Native to the UK
No
Foliage
Deciduous
Habit
Columnar upright
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 and grows best in sharply-drained soils

Propagation

Propagate by seed or propagate by semi-ripe cuttings in late summer for overwintering in a frost-free place

Suggested planting locations and garden types
  • Coastal
  • Gravel garden
  • Patio and container plants
  • Wildlife gardens
  • City and courtyard gardens
  • Cottage and informal garden
  • Flower borders and beds
Pruning

Remove spent flowering spikes through the season to prolong flowering

Pests

Generally pest-free

Diseases

May be affected by powdery mildews

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