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Erysimum POEM Lilac - Wallflower

Erysimum POEM Lilac ('Inerypolil')
Wallflower

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2 reviews

Planted at the right time in the right soil, yet they all died... I was refunded but I am disappointed..

Sophie, 08/07/2023

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This plant carries a 6 months recovery warranty

More information

A perennial wallflower forming a dense undershrub. This hybrid produces a long and abundant flowering of scented lilac-purple blooms from spring to early summer. Its foliage persists in winter. It is an excellent plant for decorating patios, as well as sunny rockeries and borders. Plant in ordinary, fairly rich, well-drained soil, even limestone, which is moist to moderately dry.
Flower size
1 cm
Height at maturity
35 cm
Spread at maturity
35 cm
Exposure
Sun
Hardiness
Hardy down to -12°C
Soil moisture
Dry soil, Moist soil
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Best planting time September
Recommended planting time September to October
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Flowering time February to June
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Description

Erysimum Poem Lilac is a perennial shrub with evergreen foliage and a long and abundant spring flowering. The beautiful purple-lilac colour of its flowers, accompanied by a gentle fragrance, brings life to rock gardens or sunny borders from late February to late June. It is a variety that performs well in containers, pots, and planters for patios and balconies.

 

Also known as "false wallflower," Erysimum Poem Lilac is a hardy undershrub of the Brassicaceae family. It is a horticultural hybrid with linear grey-green foliage that is quite elegant. It remains evergreen in winter. Its dense and compact branching gives it a regular ball-shaped form of about 30 to 35cm (12 to 14in) in diameter and prevents it from thinning out at the base. It is covered with 4-petalled flowers, gathered in short and dense spikes, starting from late February in milder regions. The flowering continues uninterrupted until early summer if the soil remains somewhat moist, during which it is good to prune it to rejuvenate it. This variety prefers a sunny location in well-drained, even rocky soil.

The flowers come from brown-violet buds and open in a beautiful pinkish-purple colour with salmon reflections before settling into a more purplish shade. Although the flowers are tightly packed on the spike, the flowering of this variety retains its lightness. Used as a biennial, it is an ideal plant to support spring compositions in charming planters, in combination with spring bulbs like the pure white 'Thalia' daffodil, and biennials in pink, purple, white, or blue tones, such as pansies and violas, primroses, daisies, etc.

Note: Please be aware that our young plug plants are professional products reserved for experienced gardeners: upon receipt, transplant them as soon as possible, in planters, containers, or directly in flower beds.

 

Erysimum POEM Lilac - Wallflower in pictures

Erysimum POEM Lilac - Wallflower (Flowering) Flowering

Flowering

Flower colour purple
Flowering time February to June
Inflorescence Spike
Flower size 1 cm
Fragrance slightly scented
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Evergreen
Foliage colour green

Plant habit

Height at maturity 35 cm
Spread at maturity 35 cm
Growth rate fast

Botanical data

Genus

Erysimum

Cultivar

POEM Lilac ('Inerypolil')

Family

Brassicaceae

Other common names

Wallflower

Origin

Cultivar or hybrid

Product reference163621

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Planting and care

The plug plants can be planted in pots and containers or directly in the ground in well-prepared and enriched soil. Plant them as soon as possible after receiving them, in September-October. If the intended location is not ready yet or if the conditions are not favourable for planting (heavy rain or excessively dry soil), you can grow them in pots for 4 to 6 weeks. At the time of planting or shortly after, you must pinch out the tip of the plant between your thumb and index finger to remove the terminal bud and stimulate branching. You can repeat this operation until mid-October to obtain denser bushes.

In pots and containers, use a good well-draining potting soil for flowering plants (for example, with a lot of bark or perlite) and enriched with slow-release fertiliser. The top of the plug should be level with the soil. Water generously at the time of planting and during the following weeks, as the plug plants can dry out quickly. However, be careful with excessive water! Make sure to use containers with drainage holes and empty the saucer 10 minutes after watering. Remember to water even during winter if it doesn't rain or if the container is placed in a sheltered location. Do not water during freezing periods.

From 3 weeks after planting and until after flowering, apply a liquid fertiliser for flowering plants 1 to 2 times a week with the watering water, even in winter (as long as watering is necessary). The faded spikes can be cut with scissors to maintain a neat appearance of the plant, but this is not essential, as the flowering continues as long as the plant is not lacking water. Once the flowering is over, the plants in pots can be replanted in the garden in full sun after being pruned by about 5cm (2in).

1
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6
19,50 €
17
14,50 € Each

Planting period

Best planting time September
Recommended planting time September to October

Intended location

Suitable for Meadow, Rockery
Type of use Border, Edge of border, Container
Hardiness Hardy down to -12°C (USDA zone 8a) Show map
Ease of cultivation Amateur
Planting density 9 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, well-draining

Care

Pruning instructions Prune the entire plant with shears. Cut back the stems and faded spikes, to reduce its size by about 5cm (2in), even if the flowering is not completely finished.
Pruning Pruning recommended once a year
Pruning time July to August
Disease resistance Very good
Overwinter Can be left in the ground
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