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Agastache mexicana

Mexican giant hyssop

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Key information

Plant type

Tender perennial

Flower colour



Flowers, Aromatic foliage


Half hardy

Skill level


photo by Frederic Didillon, copyright GAP Photos (317073)

Plant details

Native to South-West USA and Mexico, this handsome perennial is tender in the UK. Grow plants from seeds or cuttings, planting outside in a sunny, well-drained spot after the danger of frost has passed in early summer. You will be rewarded by rose-pink flowers that attract bees to the garden and mint-scented foliage.

Family: Lamiaceae

Genus: Agastache

Species: mexicana

Plant type: Tender perennial

Flower colour: Red

Feature: Flowers, Aromatic foliage

Sun exposure: Full sun

Soil: Well-drained/light, Clay/heavy, Acidic, Chalky/alkaline

Hardiness: Half hardy

Skill level: Experienced

Height: 90cm

Spread: 30cm

Time to plant seeds: January to March

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