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Ageratum houstonianium Ageratum Cushion Violet - Bluemink

Ageratum houstonianium Cushion Violet
Flossflower, Blue Mink, Garden Ageratum, Mexican Paintbrush

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This annual Ageratum forms a compact cushion that is covered with rose-purple buds opening into fluffy mauve pompoms. The plant offers a long flowering period from spring to summer, and it has good tolerance to both sun and rain. Ideal for pots to liven up terraces and balconies, this variety also performs very well in borders and flower beds.
Flower size
1 cm
Height at maturity
25 cm
Spread at maturity
25 cm
Exposure
Sun
Hardiness
Hardy down to -12°C
Soil moisture
Moist soil
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Best planting time March to April
Recommended planting time March to May
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Flowering time April to September
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Description

The Ageratum Cushion Violet is a delightful variety of Mexican ageratum that forms a very floriferous cushion of dark pink and mauve, both in pots and in the ground. The plant develops into a small tuft that remains compact throughout the season. It truly covers itself in dark purple-pink buds that open into fluffy mauve pompoms. This variety also offers good tolerance to sun and rain. Ideal for animating terraces and balconies for long weeks, this annual beautifully enhances borders and flower beds.

 

The Dwarf Ageratum Cushion Violet belongs to the asteraceae family. This variety is derived from the Ageratum houstonianum, a perennial plant cultivated as an annual, native to Central America and the Caribbean. This Violet Cushion selection forms rounded and bushy cushions, 25-30 cm (10-12in) in height and 25 cm (10in) wide. Very branched and covered in hairs, its numerous stems rise gracefully while spreading. The leaves, also hairy, are toothed and oval-shaped. They are sometimes heart-shaped at the base, with a somewhat dark bluish-green colour. This foliage is theoretically evergreen in winter, if not frozen. From April to the beginning of autumn, the flowers bloom continuously if care is taken to remove faded ones as they appear. The inflorescences are capitula assembled in bouquets. They are initially dark purple-pink and then open into mauve, forming beautiful feathery pompoms that almost completely hide the foliage. Purple buds and mauve pompoms mix on the plant in a delightful colour scheme. The plant dies with the first frosts.

 

Mexican ageratums are often planted in urban landscaping. Their floribundance and bright colours allow for interesting combinations with many other low-growing plants in flower beds: marigolds, lantanas, celosias, lobelias, marigolds, or red salvias. It is easy to create a pastel carpet by combining them with pink begonias and impatiens, or with fragrant alyssums at the forefront of the flower beds. The Cushion Violet selection allows for beautiful flowering pots with fuchsias, indoors, on the terrace or balcony.

Mexican ageratum is a plant that promotes the pollination work of insects. Bees, butterflies, and others.

Note: Attention, our plug plants are professional products reserved for experienced gardeners: upon receipt, transplant and store them in shelters (veranda, greenhouse, cold frame) at a temperature above 14°C (57.2°F) for a few weeks before being installed outdoors once the risk of frost is definitively avoided.

 

Flowering

Flower colour mauve
Flowering time April to September
Inflorescence Corymb
Flower size 1 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Annual
Foliage colour dark green

Plant habit

Height at maturity 25 cm
Spread at maturity 25 cm
Growth rate very fast

Botanical data

Genus

Ageratum

Species

houstonianium

Cultivar

Cushion Violet

Family

Asteraceae

Other common names

Flossflower, Blue Mink, Garden Ageratum, Mexican Paintbrush

Origin

Cultivar or hybrid

Product reference167821

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Planting and care

Plant the Agérate in well-drained soil, rich in compost, in a sunny location. It is sensitive to drought, the base of the plant should never be dry. Remove faded flowers to encourage the production of new flowers. The plant does not like limestone. Apply fertilizer low in nitrogen, such as a special geranium fertilizer.

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Planting period

Best planting time March to April
Recommended planting time March to May

Intended location

Suitable for Meadow
Type of use Edge of border, Container
Hardiness Hardy down to -12°C (USDA zone 8a) Show map
Ease of cultivation Beginner
Exposure Sun
Soil pH Neutral, Any
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, good horticultural soil

Care

Pruning instructions Prune the flowers regularly.
Pruning Pruning recommended once a year
Pruning time April to August
Disease resistance Good

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