Agastache rugosa seeds - Korean mint
Agastache rugosa seeds - Korean mint
Agastache rugosa
Korean Mint, Anise Hyssop
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Description
The Organic Blue Agastache rugosa, also known as Korean Mint, is a perennial but short-lived plant that produces pleasantly scented mint foliage. In summer, it is covered with beautiful spikes filled with tiny, highly melliferous blue-purple flowers. Highly decorative in large clumps, this plant blooms for months if the faded flowers are removed. It is perfect for slightly wild areas of the garden or as a culinary plant. It thrives in full sun and fertile, well-drained soil.
Agastache rugosa is a plant from the Lamiaceae family, native to North America and growing in dry meadows. The plant is not as hardy as European mints. Although perennial, it needs to be multiplied every year or at least every 3 years. In the wild as well as in the garden, Agastache easily hybridises with other species and self-seeds abundantly. With a height of 80 cm and a width of 30 cm, it forms a herbaceous clump with an upright habit. Its angular stems are adorned with leaves which are dark green on the upper side and lighter on the underside, triangular and elongated, with roughly toothed edges, 8 cm long and hairy. They emit an aroma reminiscent of mint. It is mainly cultivated for the beauty of its long flowering spikes that appear during summer, from July to October. The small two-lipped, tubular flowers are grouped in thin, very dense terminal spikes. It is a good melliferous and nectar-rich plant.
As a perennial plant for poor soils, agastache is a marvel of simplicity with a wild appearance. It likes sun and porous soils. It is easy to grow and it can be cultivated in rockeries or in a scree garden. In hot regions, it should not lack water at the beginning of flowering. It structures natural or country-style flower beds, composed of nepetas, stipas, echinaceas, gauras, yarrows, and pennisetums. In the vegetable garden, it pairs well with thyme, summer savory, chervil, or basil. The dried flowers can be preserved in bouquets. The leaves are traditionally used in cooking as a mint substitute, or in herbal teas after drying.
Flowering
Foliage
Plant habit
Botanical data
Agastache
rugosa
Lamiaceae
Korean Mint, Anise Hyssop
Lophanthus rugosus
Cultivar or hybrid
Planting and care
Sow Agastache seeds from February to April at 15-20 °C, on the surface of a good quality compost and cover with a light sprinkling of compost or vermiculite. Keep the soil moist, but not waterlogged, and maintain in light. Place in a propagator or enclose the seed tray inside a polythene bag until germination, which takes between 30 to 90 days.
When the plants are large enough to handle, transplant them and grow on in cooler conditions until they are sufficiently developed to be planted outside. When all risk of frost has passed, acclimatise them to outdoor conditions for 7 to 10 days. Plant them in their final position outside, in full sun, in fertile, well-drained soil, keeping a distance of 60 cm between each plant.
Sowing period
Intended location
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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