Erysimum Poem Lavender - Wallflower
Erysimum Poem Lavender - Wallflower
Erysimum Poem Lavender - Wallflower
Erysimum Poem Lavender - Wallflower
Erysimum POEM Lavender ('Inerypolav')
Wallflower
Planted in a large pot. It recovered very quickly and is giving me lots of pretty mauve flowers. You can tell it's settling in well—it's going to grow fast.
nanou, 07/05/2025
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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.
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Erysimum Poem Lavender - Wallflower in pictures
Flowering
Foliage
Plant habit
Botanical data
Erysimum
POEM Lavender ('Inerypolav')
Brassicaceae
Wallflower
Cultivar or hybrid
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
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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