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Allium senescens subsp. montanum

Allium senescens subsp. montanum
Mountain garlic, Ornamental Onion

3,5/5
4 reviews
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2 reviews

Out of 15 bulbs bought and planted, not a single young plant has grown.

Claire, 24/09/2021

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This plant carries a 6 months recovery warranty

More information

Ground cover species, with tufts of gramineous and undulating glaucous foliage. From the beginning of summer, it bears a large number of candy-pink flowering pompoms as big as ping-pong balls. Its flowering is long. Its edible and tasty foliage can be used as a condiment. Hardy and tolerant of summer drought, it is a beautiful plant for rockeries and sunny borders.
Flower size
3 cm
Height at maturity
35 cm
Spread at maturity
30 cm
Exposure
Sun
Hardiness
Hardy down to -23°C
Soil moisture
Dry soil, Moist soil
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Best planting time March, September
Recommended planting time January to March, September to November
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Flowering time June to September
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Description

Allium senescens subsp. montanum, also known as Mountain Garlic, is a beautiful wild plant that resembles chives. This perennial ground cover forms a tuft of gramineous and curiously undulating foliage, with a beautiful glaucous colour. From early summer to September, it produces a large number of flower clusters in bubble-gum pink, as big as ping-pong balls. Its foliage is evergreen depending on the severity of the winter. It is edible and tasty, making it suitable as a condiment. Hardy and tolerant to summer drought, it is a unique plant for rockeries and sunny borders.

 

Allium senescens subsp. montanum is a rhizomatous perennial bulbous plant. It is native to forests, dry rocky slopes, steppes, saline meadows, and gravelly soils in Western Europe and Northern Asia, from Siberia to China and Korea. This botanical garlic from the Amaryllidaceae family has a fleshy storage organ that multiplies by forming bulblets, allowing the plant to spread over the years. It shares with other members of its family a noticeable onion or garlic smell when its foliage is crushed. The inflorescences, perched up to 35cm (14in) tall, are round umbels measuring 2.5 to 3cm (1in) in diameter, composed of tiny light pink-lilac star-shaped flowers. This flowering lasts for about 4 months if the soil remains moist. The deciduous foliage consists of numerous thick, long, and flat leaves, with a beautiful bluish-green colour, showing a curious twist due to their curled tips.

Be careful! If it likes its environment, this plant quickly spreads!

 

Easy to grow and unique, mountain garlic thrives in any type of moist but well-drained soil during its growing season. It prefers dry soil in summer. Place it in a sunny location. It can be used in a wild-style garden or a dry garden, along a path or driveway. It also works well in a pot to enjoy its beautiful flowering and delicious foliage on a balcony or patio. Its foliage and flowers will add a unique touch to fresh or dried bouquets. Plant it in groups of 5, nestled among ornamental grasses, perennials like scabious or Lychnis coronaria, or near coreopsis and thrift. Finally, in the kitchen, finely chop its foliage and add it to salads, grilled dishes, or fresh goat's cheese.

 

 

 

Plant habit

Height at maturity 35 cm
Spread at maturity 30 cm
Growth rate normal

Flowering

Flower colour pink
Flowering time June to September
Inflorescence Umbel
Flower size 3 cm
Fragrance Fragrant, Chive fragrance.
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Semi-evergreen
Foliage colour green

Botanical data

Genus

Allium

Species

senescens subsp. montanum

Family

Alliaceae - Liliaceae

Other common names

Mountain garlic, Ornamental Onion

Origin

North Asia

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Planting and care

Plant in autumn at a depth of 8 to 10cm (3 to 4in) in moist but well-drained, rocky or sandy soil in a warm position, spaced 15cm (6in) apart. In a hot climate, shade is well tolerated during the hottest hours of the day. Add some sand to the planting hole to improve drainage. Avoid heavy soils. It can withstand harsh winters if water is not allowed to stagnate. It can also be grown in a pot, using a light compost mixture composed of 1/3 sand, 1/3 potting soil, and 1/3 perlite.

Planting period

Best planting time March, September
Recommended planting time January to March, September to November
Planting depth 10 cm

Intended location

Suitable for Meadow, Rockery
Type of use Edge of border, Container, Vegetable garden
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Experienced
Planting density 10 per m2
Exposure Sun
Soil pH Neutral, Any
Soil moisture Dry soil, Moist soil, very well-draining

Care

Pruning No pruning necessary
Soil moisture Dry soil, Moist soil
Disease resistance Good
Overwinter Can be left in the ground
3,5/5
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