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Allium senescens Lisa Blue

Allium x senescens Lisa Blue
German garlic, Mountain garlic, Pink lily leek, Ornamental Onion

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The allium received is in dormancy. Planted at the base of a 'Ontario' Prunus domestica, I am now waiting for it to emerge... or not?

Thierry, 19/12/2023

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This plant carries a 6 months recovery warranty

More information

This ornamental garlic displays an abundance of flowers in adorable lilac-pink pompoms. It forms a clump of bluish linear foliage. It is beautiful in spring, summer, and even in autumn after flowering. Plant this pretty perennial in the sun, in regular and well-draining soil. It is superb in borders and in planters.
Flower size
5 cm
Height at maturity
30 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 August to September
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Description

Allium senescens 'Lisa Blue' is a variety of A. senescens 'Lisa Green' but with bluish-green foliage. These two ornamental garlic cultivars have the advantage of bearing beautiful foliage from spring to autumn, even after flowering. This garlic produces a clump of ribbon-like, linear foliage with a bluish tint, which nicely complements its round heads of tender pink flowers tinged with blue. The flowering takes place generously in August and September, much to the delight of pollinating insects. It thrives in the sun, in well-draining soil. Hardy and tolerant of summer drought, it beautifully enhances rock gardens, sunny borders, and pots. Its flowers are long-lasting in fresh or dried bouquets.

 

Allium senescens 'Lisa Blue' is a hybrid variety of ornamental garlic derived from the species A. senescens. This cultivar develops in spring from a bulbous rhizome that forms a beautiful clump of upright, fairly thin, glossy, bluish-green leaves. It reaches about 30cm (12in) in height and spreads laterally through its slightly suckering rhizome, at least 30cm (12in). The flowering takes place in August and September, in average climates. Flowering stems measuring 30cm (12in) in height emerge from the centre of the tufts. Each stem bears a solitary inflorescence in the shape of a sphere 5 to 6cm (2in) in diameter. The inflorescences are composed of a multitude of tiny lilac-pink star-shaped flowers. They are nectar-rich and attractive to bees.

Planted en masse along a pathway, as a border for flower beds, or even combined with perennials in shades of pink and blue, this perennial 'Lisa Blue' garlic proves remarkable in a romantic mixed-border. It pairs well with daylilies, bellflowers, and agastaches. In an unusual bed mixing flowers and vegetables, it can be accompanied by chives, over-ripe chard with colourful stalks, bulbous fountain grass, purple basil, and many more. For a more dynamic effect, its flowers can structure a contemporary garden where various geometric shapes oppose each other. It can be paired with fine-leafed feather grass, lavender, and cone-shaped trimmed boxwoods.

In short, the possibilities are endless! There is certainly a corner of your garden where this garlic will work wonders.

Allium senescens Lisa Blue in pictures

Allium senescens Lisa Blue (Plant habit) Plant habit

Plant habit

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

Flowering

Flower colour pink
Flowering time August to September
Inflorescence Umbel
Flower size 5 cm
Fragrance Fragrant, Chive fragrance.
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Deciduous
Foliage colour green

Botanical data

Genus

Allium

Species

x senescens

Cultivar

Lisa Blue

Family

Alliaceae - Liliaceae

Other common names

German garlic, Mountain garlic, Pink lily leek, Ornamental Onion

Origin

Cultivar or hybrid

Product reference18743

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Planting and care

Allium senescens 'Lisa Blue' should be planted in autumn at a depth of 8 to 10cm (3 to 4in) in moist but well-drained, rocky, or sandy soil in a warm location, spaced 15cm (6in) apart. In warm climates, shade is well tolerated during the hottest hours of the day. Add sand to the planting hole to improve bulb drainage. Avoid heavy soils. It can withstand harsh winters if it is not subjected to stagnant water. It can also be grown in a pot, using a light substrate 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-drained

Care

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