

Meehania urticifolia Japan Blau
Meehania urticifolia Japanblau
Meehania urticifolia Japan Blau
Meehan Mint
Very good establishment, young plant that I will discover!
Christiane, 11/05/2023
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This plant carries a 12 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
Meehania urticifolia 'Japanblau', formerly known as Cedronella urticifolia, Dracocephalum sinense, or Dracocephalum urticifolium, is a vigorous small perennial with stolons that quickly forms a beautiful ground cover. This 'Japanblau' variety is related to dead nettles. It forms a thick carpet of leaves that persists if the winter is not too harsh. It comes to life in spring with an abundance of small cobalt-blue flowers that are pleasantly scented. This hardy and undemanding plant can be used like ivy in all shaded or semi-shaded areas of the garden. Stunning as a border plant, in a moist rockery, or on the edge of a woodland.
Meehania urticifolia 'Japanblau' is a horticultural selection. It belongs to the Lamiaceae family, just like mint, sage, and dead nettles. The species is a hardy perennial native to high-altitude forests in China, Japan, Korea, and eastern Russia. The plant develops stoloniferous stems that root at ground level, as well as upright stems that bear leaves. It grows quite rapidly, reaching about 30cm (12in) in height and spreading indefinitely. The foliage is evergreen in mild winters. It consists of small heart-shaped, toothed, and hairy leaves, measuring 3 to 6cm (1 to 2in) in length. The leaves are a fairly light green colour. Flowering occurs in May-June. Short, upright flower stalks emerge from the leaf axils, each bearing 3 to 12 two-lipped flowers. They are cobalt-blue and white, dotted and streaked with mauve. The flowers are arranged in erect spikes. They emit a delicate, pungent, and spicy fragrance. They are visited by pollinating insects.
Meehania urticifolia 'Japanblau' prefers moist to damp soils, but it can tolerate moderate summer drought, especially if planted away from intense sunlight. As a ground cover, it adds charm and requires little maintenance when planted along a pathway, on a bank, in a slightly damp rockery, or under flowering shrubs. To accompany it, consider other shade perennials such as epimediums, corydalis, Lamium galeobdolon (which resembles it), Geranium macrorrhizum, Tiarella cordifolia, and Tellima grandiflora.
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Flowering
Foliage
Plant habit
Botanical data
Meehania
urticifolia
Japan Blau
Lamiaceae
Meehan Mint
China
Other Perennials A to Z
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Meehania urticifolia 'Japanblau' is an excellent ground cover for a semi-shaded garden. Although preferring moist to wet soil, it tolerates summer drought in the shade. Plant it in ordinary, light, loose, well-drained soil, enriched with compost. It retains its foliage in winter and only loses it in extreme cold. It is a robust and hardy plant that has few enemies. Protect it from slugs that love its young leaves.
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Shade-loving perennials
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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).

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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.