Ageratum houstonianum Blue Mink - Bluemink
Ageratum houstonianum Blue Mink - Bluemink
Ageratum houstonianum Blue Mink
Mexican Paintbrush
Fairly satisfactory for germination. Only starts to bloom in mid-August, but the weather conditions in 2016 were not favorable!
daniele bery, 22/08/2016
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This plant carries a 6 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
Ageratum houstonianum Blue Mink, also known as the Mexican paintbrush, is an old variety that continues to be popular: on compact and bushy plants with dark blue-green foliage, fluffy pompom-like inflorescences in a soft and bright powdery blue bloom. Its wide and dense habit, long flowering period, and easy cultivation make it an ideal annual for structuring borders, pots, and the foreground of flower beds. It should be grown in full sun and in moist soil.
Ageratum Blue Mink is an old variety derived from Ageratum houstonianum, a perennial plant cultivated as an annual in the family Asteraceae, native to Central America and the Caribbean. It forms rounded and bushy masses about 30 cm (12in) in all directions. Its numerous, branched, and hairy stems stand upright while gracefully spreading. The leaves, also hairy, are dentate and ovate in shape. Sometimes, they are heart-shaped at the base, with a somewhat dark blue-green colour. From April until early autumn, the flowers bloom continuously if faded flowers are removed regularly. The inflorescences are pastel blue, both soft and bright, grouped in clusters of pompoms, almost completely hiding the foliage.
Mexican Ageratums are often planted in urban landscaping. Their abundant flowers and vibrant colours allow for interesting combinations with many other low-growing plants in flower beds, such as marigolds, calendulas, or red salvias. It is easy to create a pastel carpet by combining them with pink begonias and impatiens, or fragrant alyssums in the foreground of flower beds. The Blue Mink selection allows for beautiful flowering pots with fuchsias, indoors, on the patio, or balcony.
The Mexican paintbrush is a plant that promotes insect pollination. Bees, butterflies, and others.
Flowering
Foliage
Plant habit
Botanical data
Ageratum
houstonianum
Blue Mink
Asteraceae
Mexican Paintbrush
Cultivar or hybrid
Planting and care
SOWING: Sow on the surface of a moist and well-drained specific research area soil and cover the seeds with a thin layer of vermiculite. Place the young plant under a greenhouse or keep it in a polyethylene bag at around 20-30°C (68-86°F) until the end of the germination period, which takes 7 to 21 days. Expose to light to promote germination.
CULTIVATION: When the young plants are sufficiently developed to be handled, transplant them in clusters into seed trays or 8cm (3in) pots. Acclimate them to cooler conditions for a few days before planting them in the ground when all risk of frost has disappeared. Space them 30cm (12in) apart.
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).
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 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.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
The harvest period stated on our website applies to regions in USDA zones 8b to 9a (East, South-East and southern coast: Eastern Leinster, County Wexford and County Waterford, Cork region: Dublin, Wexford, Waterford, Kilkenny, Cork). It will vary depending on where you live:
- In the Midlands and the inland plains: the Middle Shannon Valley, Westmeath, Offaly, Longford, Cavan and Monaghan (Athlone, Mullingar, Tullamore, Longford, Cavan, Monaghan), in USDA zones 8a to 8b, the harvest will be delayed by 1 to 2 weeks compared with the dates given. Far from the moderating influence of the sea, these plains experience late frosts right up until the end of spring. The heavy, peaty soils warm slowly here, and damp patches form pockets of frost. Wait until the soil has dried out and warmed up before planting, and protect young plants with a fleece on clear nights.
- In the Atlantic West and North-West: Kerry, Clare, Galway, Connemara, Mayo, Sligo and Donegal (Killarney, Ennis, Galway, Westport, Sligo, Letterkenny), in USDA zones 8b to 10a, the harvest will be delayed by 1 to 3 weeks compared with the dates given. Summers here are cloudier, rainier and windier than in the east, which slows down ripening and encourages late blight and other fungal diseases. Kerry and Clare are at the lower end of the range, whilst Mayo and Donegal, which are cooler and more exposed, are at the upper end. However, the mild coastal winters mean that leafy vegetables and root vegetables can be harvested at dates close to those indicated, or even earlier: shelter crops from the wind with hedges and grow heat-loving plants in greenhouses or polytunnels.
- In the highlands, above 200 m: the Wicklow Mountains, Macgillycuddy’s Reeks, the Galtee and Comeragh ranges, the Twelve Bens in Connemara and the Donegal highlands, in USDA zones 7b to 8a, the harvest will be delayed by 2 to 4 weeks compared with the dates given, depending on the altitude, taking care to beat the first early frosts, which may occur as early as the start of autumn. Wind, constant damp and late frosts lasting into early summer significantly shorten the growing season. Opt for sheltered, south-facing slopes, early-maturing varieties and growing under cover.
Depending on your garden’s aspect, these variations can range from one to two weeks. A frost-prone valley floor delays the harvest, whilst a south-facing wall brings it forward.
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