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Erysimum Poem Lavender - Wallflower

Erysimum POEM Lavender ('Inerypolav')
Wallflower

5,0/5
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Good quality young plants. Received this month. I'm waiting for the shoot to grow back before making a statement.

michel, 08/02/2023

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This plant carries a 6 months recovery warranty

More information

Value-for-money
Perennial shrubby wallflower with a long and abundant flowering period in light lavender to light violet from spring to early summer.
Flower size
1 cm
Height at maturity
35 cm
Spread at maturity
35 cm
Exposure
Sun
Hardiness
Hardy down to -15°C
Soil moisture
Dry 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

The Erysimum 'Poem Lavender' is a perennial shrubby wallflower with a long and very abundant flowering period. The lovely purple-lavender colour brightens up the garden from late February to late June. It is a plant that performs well in containers and pots for terraces and balconies.

 

 

Also called "false wallflower", the Erysimum 'Poem Lavender' is a hardy sub-shrub with linear grey-green evergreen foliage that is quite elegant. Its dense and compact branching gives it a regular spherical shape of about 30-35 cm in diameter and prevents it from thinning out at the base. It is covered with flowers with 4 petals typical of brassicaceae, gathered in short and dense spikes, from late February in the mildest regions. The flowers continue non-stop until early summer, when it is a good time to prune to encourage new growth. It is perennial plant and likes being in a sunny location in well-drained, even rocky soil. It will thrive in rockeries as well as at the front of borders or, of course, in pots.

 

The flowers of the perennial wallflower 'Poem Lavender' emerge from purple buds and open in a soft shade of mauve-lavender with a tinge of salmon, before settling on a lavender colour. Although the flowers are tightly packed on the spike, the display of flowers of this variety retains its lightness. Used as a biennial, it is an ideal plant on which to base spring compositions in charming pots, in combination with spring bulbs such as the pure white 'Thalia' narcissus, and biennials in shades of pink, purple, crimson or blue, such as pansies and violas, primroses, daisies, etc.

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

 

Erysimum Poem Lavender - Wallflower in pictures

Erysimum Poem Lavender - Wallflower (Foliage) Foliage

Flowering

Flower colour mauve
Flowering time February to June
Inflorescence Spike
Flower size 1 cm

Foliage

Foliage persistence Evergreen
Foliage colour grey or silver

Plant habit

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

Botanical data

Genus

Erysimum

Cultivar

POEM Lavender ('Inerypolav')

Family

Brassicaceae

Other common names

Wallflower

Origin

Cultivar or hybrid

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Planting and care

The plug plant of Erysimum 'Poem Lavender' are planted in pots and containers or directly into the open ground in improved, well-prepared soil. Plant them as soon as possible, in September-October. If the intended location is not ready yet or if the conditions are not favourable for planting (heavy rains or excessively dry soil), you can let them grow on in pots for 4 to 6 weeks. At planting or shortly after, pinch out the tip of the plant between your thumb and forefinger to remove the terminal bud and stimulate branching. Repeat this until mid-October to obtain denser bushes.

In pots and containers, use a well-draining potting soil for flowering plants (with a lot of bark or perlite, for example) and enriched with slow-release fertilizer. The top of the root ball should be level with the soil. Water generously at planting and during the following weeks, as the young plants can dry out quickly. However, be careful not to overwater. Make sure to use containers with drainage holes and empty the saucer 10 minutes after watering. Remember to water, even during winter, if it does not rain or if the container is in a sheltered spot. Do not water during frosty periods.

3 weeks after planting until the end of flowering, apply a liquid fertilizer 1 to 2 times a week when watering, even in winter (as long as watering is necessary). The faded flower spikes can be cuback to maintain a neat appearance, but it is not essential. Flowering will continue as long as the plant is kept watered. Once the flowering is over, the plants in pots can be replanted in the garden in full sun after being pruned by about 5 cm (2 in).

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 -15°C (USDA zone 7b) 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, Well-drained

Care

Pruning instructions Prune the entire plant with shears, including wilted stems and spikes, to reduce it by approximately 5 cm (2 in), even if flowering has 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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