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Erysimum ‘Poem Lilac’ (PBR)
(Wall Flower)


Out of stock

This product is currently out of stock and unavailable.

April - September
50cm x 50cm
Fully Hardy

This compact, evergreen, perennial wallflower grows in neat dense clumps and is a powerful garden performer. Selected for the incredibly long-lasting, fragrant, lilac flowers that appear in Spring and last through to Autumn. We adore it’s early flush of blooms that introduce us into the warmer months and lead the way for a variety of garden designs.

Additional information

Plant Type
Flower Colour
Flowering Period
Fully Grown Size
Garden Position
Light Level
RHS Plants For Pollinators
RHS Garden Merit Award
Pot Size


Erysimum 'Poem Lilac' is an powerful perennial that performs well and adds an early flush of colour to any garden setting, we love the versatility of its vibrant lilac blooms. With its compact bushy and mound forming growth, it's perfect for city and courtyard gardens, coastal landscapes, cottage-style, and informal gardens. This versatile plant also thrives as a patio or container specimen, bringing colour to confined spaces and when planted in flower borders and beds, it contributes to a well-structured garden design. What sets 'Poem Lilac' apart is its captivating feature; as the petals undergo a charming colour transformation as the plant matures, adding an extra layer of interest to your garden. Dark green leaves frame the masses of very pale lilac buds that mature to a darker lilac at the end of the season. This self-seeding short-lived perennial ensures a continuous display of beauty, that effortlessly renews itself by self seeding. Resilient and low-maintenance, 'Poem Lilac' is not just a plant; it's a dynamic and sweetly fragrant perennial that enhances a whole range garden styles. We adore its colour changing hues and the versatility it brings to helping create your Spring and Summer garden with its mass of intense colour.

Planting Conditions

Erysimum 'Poem Lilac' thrives in a well-drained soil with a preference for alkaline to neutral pH levels. Choose a sunny location in your garden to plant this perennial, as it flourishes in full sunlight, ensuring robust growth and prolific flowering. Incorporate organic matter, such as compost, during soil preparation to enhance the drainage and offer fertility. When selecting a spot, consider placing 'Poem Lilac' in borders, rock gardens, or cottage garden settings to maximise its visual impact. To showcase vivid purple blooms, create an optimal environment by providing ample space for its mature size. This versatile perennial adds a touch of early colour to a variety of garden designs.

Watering & Feeding

Erysimum 'Poem Lilac' benefits from regular watering during its establishment phase to promote healthy root development. Once established, this perennial demonstrates remarkable drought tolerance, requiring less frequent watering. Ensure the soil remains consistently moist but well-drained, especially during prolonged dry spells. While 'Poem Lilac' is generally resilient and low-maintenance, occasional feeding with a balanced fertiliser can enhance its overall vigour and blooming performance. Apply the fertiliser in early Spring before the growing season begins. Consistent care in watering and feeding will contribute to the sustained health and vitality of Erysimum 'Poem Lilac,' ensuring a healthy addition to your garden landscape.

General Care

Erysimum 'Poem Lilac' is a resilient and low-maintenance perennial, making it an excellent addition to your garden. To ensure optimal growth and blooming, plant it in well-drained soil with a preference for alkaline to neutral pH levels, in a sunny location for prolific flowering. Once established, this drought-tolerant plant requires minimal watering, and occasional feeding with a balanced fertiliser in early Spring enhances its overall vigour. 'Poem Lilac' is versatile, suitable for borders, rock gardens, or cottage garden settings. Regularly deadhead spent flowers to encourage continuous blooming and trim back leggy growth for a compact appearance, cutting back after flowering by about half of the height.