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Agastache rugosa After Eight

Agastache rugosa After Eight
Korean Mint, Wrinkled Giant Hyssop

3,7/5
1 reviews
1 reviews
0 reviews
1 reviews
0 reviews

Weak plant, I sowed other varieties of agastache in the spring and my young plants are much better developed in comparison. It was perhaps too late to order it, it clearly suffered from staying in its pot.

Marie, 23/07/2020

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This plant carries a 12 months recovery warranty

More information

This agastache is a delicious recent acquisition, with its dark foliage revealing an aniseed scent and flavour, with hints of mint-chocolate. This perennial forms a leafy clump that is adorned all summer with a generous flowering of upright spikes adorned with small blue-violet flowers with bracts and red stems. Robust and undemanding, it undoubtedly gives a slightly wild aspect to sunny borders, in moist but well-drained soil.
Flower size
10 cm
Height at maturity
50 cm
Spread at maturity
50 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -15°C
Soil moisture
Moist soil
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Best planting time March to April
Recommended planting time March to June, September to October
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Flowering time June to September
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Description

The 'Agastache rugosa 'After Eight' is a recent and delicious variety, with dark foliage revealing a scent and flavour of anise, with hints of chocolate mint. This perennial forms a beautiful leafy clump that is adorned throughout the summer with a generous flowering in upright spikes, filled with small blue-violet flowers with bracts and red stems. Robust and undemanding, this plant is a boon for slightly wild areas, to which it undoubtedly brings a touch of lushness, combined with a very natural beauty. It will thrive in sunny beds, in well-drained soil, not too dry.

The Agastache rugosa, sometimes called Korean Mint or Rough Agastache, is a plant of the mint family, related to salvias, catmints, and other thymes. This herbaceous perennial, native to China and Japan, was until recently underexploited by horticulturists for the production of cultivars bringing something new. This oversight has been rectified with the recent creation of the hybrid variety 'After Eight', remarkably floriferous and fragrant. The plant forms an upright clump, with branching stems, reaching a height of 40 to 60 cm (16 to 24in) and a similar width, depending on the growing conditions, giving it a more bushy habit than other species. It produces leaves, triangular in shape and 8 cm (3in) long, slightly sticky, with dentate edges, dark green, which grow along the length of the angular and red floral stems. When crushed, they release a scent of anise, mixed with mint and cocoa. The flowering period extends from June-July to September, in the form of colourful, thin and dense upright inflorescences. Each small tubular blue-violet flower is surrounded by red-purple bracts. This particularly nectar-rich and nectariferous flowering attracts a large number of bees and butterflies.

Easy to grow, Agastache rugosa 'After Eight' thrives in sunny beds with a slightly wild appearance. In hot regions, it should never lack water during flowering. A carefree perennial, it adds height and substance to beds composed of grasses (stipas, eragrostis, pennisetums), herbaceous salvias, large daisies, echinaceas, goldenrods, and asters. It also pairs very well with yellow or orange shrubby potentillas, for example.

The flowers and highly fragrant leaves of the Rough Agastache are edible and delicious in salads or fish dishes.

Agastache rugosa After Eight in pictures

Agastache rugosa After Eight  (Flowering) Flowering
Agastache rugosa After Eight  (Foliage) Foliage

Flowering

Flower colour mauve
Flowering time June to September
Inflorescence Spike
Flower size 10 cm
Fragrance slightly scented, scent of anise, mint, chocolate.
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour dark green
Aromatic? Fragrant foliage when creased

Plant habit

Height at maturity 50 cm
Spread at maturity 50 cm
Growth rate fast

Botanical data

Genus

Agastache

Species

rugosa

Cultivar

After Eight

Family

Lamiaceae

Other common names

Korean Mint, Wrinkled Giant Hyssop

Origin

Cultivar or hybrid

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Planting and care

Agastache rugosa is a plant that particularly dislikes waterlogged soils in winter. In our heavy soil, we dig a hole 30 cm (12in) in all directions, pour in pure sand, and plant the stump without adding any soil. This plant requires a sunny position sheltered from heavy frost. During very harsh winters, cover the stumps with straw or dead leaves to form a thick mulch. The soil that welcomes it should be fertile, loose, well-drained but rather moist. The plant can tolerate periods of temporary drought, which nevertheless harm the flowering.

Planting period

Best planting time March to April
Recommended planting time March to June, September to October

Intended location

Suitable for Meadow
Type of use Edge of border
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun, Partial shade
Soil pH Neutral, Calcareous
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Well-drained, fertile.

Care

Pruning instructions In spring, prune the faded inflorescences and clean the clump. It does not suffer from any specific diseases or pests that hinder its flowering, except for powdery mildew, which can affect the leaves during dry spells.
Pruning Pruning recommended once a year
Pruning time March to April
Disease resistance Good
Overwinter Can be left in the ground
3,7/5
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