How to Grow
Wallflower 'Fair Lady' from Seed
The pastel mix spring classic — Biennial H5; wide mix of lemon, cream, salmon, dusky pink, apricot and soft lilac including bicolours; formerly known as 'Persian Carpet'; intense clove fragrance; TOXICITY: all parts poisonous; sow outdoors May–Jul (Year 1); pinch growing tip; transplant Sep–Oct; the most versatile wallflower for mixed spring colour schemes; RHS Plants for Pollinators
Wallflower Fair Lady — formerly known as 'Persian Carpet', a name that perfectly captures its complex, harmonious palette — is the pastel wallflower: a wide mix of lemon, cream, salmon, dusky pink, apricot, soft lilac, and bicolours that together create the spring garden equivalent of a hand-knotted carpet, where no single colour dominates but the combination produces something more beautiful than any individual colour could achieve alone. Chiltern Seeds describes it as offering the colour variety of a Persian carpet "at a fraction of the price and much more fragrant" — which is both accurate and a fair assessment of what makes the Fair Lady mix genuinely special among wallflower varieties.
The fragrant clove-scented blooms arrive in April and May — the classic wallflower season — at the same time as mid and late tulips, making Fair Lady the most universally compatible wallflower for mixed spring bedding schemes. As with all wallflowers, all parts of the plant are poisonous (particularly the seeds, which contain cheirotoxin), and should be kept away from children and pets. As a biennial, Fair Lady asks only for the patience of a two-year cycle: sow in early summer of Year 1, pinch for bushiness, transplant in autumn, and enjoy one of the most gently beautiful spring displays available from a single packet of seed.
Quick Facts at a Glance
Plant Type
Biennial H5 — sow May–Jul (Year 1); pastel mix flowers April–May (Year 2)
Colour
Wide pastel mix: lemon, cream, salmon, dusky pink, apricot, soft lilac — including unusual bicolours
TOXICITY
All parts poisonous including seeds; contains cheirotoxin; keep from children and pets
Fragrance
Intense clove-like fragrance; most pronounced on warm sunny spring days
Pastel specialist
The soft palette makes Fair Lady the most versatile wallflower for subtle colour schemes
Difficulty
1 out of 5 — as easy as all wallflowers; the pastel colours make any combination work
Understanding Wallflower Fair Lady
Toxicity Warning — All Parts Poisonous
All parts of the wallflower plant are poisonous, particularly the seeds. The plant contains cheirotoxin, a compound with effects similar to digitalis (foxglove). Keep seeds and all plant material away from children, and do not eat any part of the plant. Wear gloves when handling large quantities.
Biennial Lifecycle — Sow May–July (Year 1); Flower April–May (Year 2)
Wallflowers are grown as biennials in UK gardens. Sow outdoors in a prepared seedbed from May to July of Year 1, at 6mm depth. Thin to 15cm when large enough; grow on through summer. Pinch out the growing tips in late summer to encourage bushy, multi-stemmed plants. Transplant to final flowering positions in September–October at 30cm spacing. Plants overwinter fully hardy and flower April–May of Year 2 with their characteristic clove-like fragrance.
The Pastel Palette — Softness and Subtlety
Wallflower Fair Lady was formerly known as 'Persian Carpet' — a name that captures the essence of the variety's colour character: a glorious, complex mix of soft tones layered together in the way that a hand-knotted carpet combines many threads into a harmonious whole. The range includes lemon, cream, salmon, dusky pink, apricot, soft lilac, and bicolours — all at the softer, pastel end of the wallflower spectrum rather than the bold saturated colours of varieties like Fire King or Cloth of Gold. This palette makes Fair Lady uniquely versatile in the spring garden: the gentle tones complement rather than compete with tulips of almost any colour, work beautifully with the blue of forget-me-nots, and suit the refined aesthetic of the traditional cottage garden at its most subtle.
Sowing & Growing On
Sow Outdoors May–Jul (Year 1) at 6mm — Thin to 15cm — Pinch Growing Tip at 10–15cm — Transplant Sep–Oct to 30cm — Full Sun — Well-Drained Alkaline Soil — Flowers Apr–May (Year 2)
Sow outdoors May–Jul (Year 1) at 6mm. Thin to 15cm. Pinch growing tip at 10–15cm. Transplant Sep–Oct at 30cm. Full sun; well-drained alkaline soil. Flowers Apr–May Year 2.
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Sow outdoors May–July (Year 1) in a prepared seedbed at 6mm depth. Sow thinly; germination occurs readily at 15–20°C within 7–14 days. Thin seedlings to 15cm apart when large enough to handle. Wallflowers can also be sown in modules indoors for transplanting; if so, sow May–June and handle carefully to avoid root disturbance.
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Pinch out the growing tip when plants are 10–15cm tall to encourage bushy branching. Unpinched wallflowers grow as a single main stem producing fewer flowers. Pinching redirects energy into side shoots, producing compact, multi-stemmed plants with significantly more flower spikes and a fuller, more attractive display the following spring.
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Transplant to final flowering positions in September–October at 30cm spacing. Choose the sunniest, most free-draining position available. If soil is heavy clay or acidic, incorporate lime and grit before planting. Firm plants in well and water thoroughly. Wallflowers establish their root systems through the winter and break into vigorous growth in early spring.
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Deadhead regularly during flowering (April–May Year 2) to extend the season. Removing spent flower heads encourages further production from side shoots, extending the flowering period by several weeks. Allow a few plants to set seed fully at the end of the season for self-seeding into surrounding soil, maintaining a perpetual wallflower presence without annual resowing.
Growing On & Care
The Clove Fragrance
Wallflowers produce one of the most powerfully fragrant displays available from a spring garden plant. The clove-like scent — the reason wallflowers and stocks are both called giroflées in French, meaning "clove-scented" — is most intense on warm, sunny spring days when the aromatic compounds are released most readily. A group of wallflowers planted near an entrance door, a bench, or a frequently-walked path creates a fragrant welcome that permeates the garden on calm spring evenings. In a vase indoors, a few stems provide a fragrance that fills a room.
The Tulip Partnership
Wallflowers reach their peak display in April and May — the same period as mid to late tulips. This synchronisation makes them the classic spring bedding partner: the mounded flower heads of wallflowers at knee height, with tulip stems rising through and above them, creates a layered spring display that has been a staple of British public parks and cottage gardens for over a century. Plant tulip bulbs at the same time as transplanting wallflowers in September–October, spacing bulbs between the wallflower plants at 15cm depth.
Colour: Wide pastel mix: lemon, cream, salmon, dusky pink, apricot, soft lilac; bicolours
Fair Lady's pastel palette — ranging from lemon and cream through salmon and apricot to dusky pink and soft lilac — provides the most colour-versatile wallflower for mixed plantings. Because no single colour dominates, Fair Lady works with virtually any tulip colour: the soft lemons complement mid-blues and purples; the salmon and apricot tones warm up whites and creams; the dusky pinks harmonise with lilac and mauve; and the soft lilacs provide a cool contrast to the warmer tones within the same mix. Chiltern Seeds describe it as offering "the glorious colour mix of a carpet at a fraction of the price and much more fragrant" — a characterisation that captures the specific appeal of a mix where the whole is greater than any individual part.
RHS Plants for Pollinators
Wallflowers are listed on the RHS Plants for Pollinators list. The accessible, open flower structure and abundant nectar production make them one of the most valuable early-spring pollinator plants available. Emerging bumblebee queens — searching for nectar after winter hibernation — are regular and conspicuous visitors, alongside early solitary bees and the first butterflies of the year. In April, a group of flowering wallflowers is rarely without at least one bumblebee feeding on it throughout the warmth of the day.
History — From Elizabethan Streets to Norfolk Gardens
Wallflowers have been cultivated in British gardens for at least 500 years. The Elizabethan herbalist John Gerard wrote in 1596 that the wallflower "groweth on bricke and stone walls, in the corners of churches, as also among rubbish and other such stony places everywhere" — capturing both the plant's common name (from its habit of colonising old walls) and its love of the sharp drainage that a pocket of gritty soil in old masonry provides. The name cheiranthus derives from the Greek cheir (hand) and anthos (flower), reflecting the Elizabethan habit of carrying wallflowers as a fragrant nosegay to mask the smells of the street.
Club Root — Avoid Brassica Rotation
As a member of the Brassicaceae (cabbage) family, wallflowers are susceptible to club root (Plasmodiophora brassicae), the soil-borne disease that also affects cabbages, cauliflowers, and other brassicas. Never plant wallflowers in soil that has recently grown brassicas with club root problems. Lime the soil before planting (wallflowers prefer alkaline conditions and lime also suppresses club root). In gardens with persistent club root, grow in containers with fresh compost.
Biennial Growing Calendar
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Sow outdoors (May–Jul Year 1; 6mm deep; seedbed) |
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| Grow on; pinch tips (Aug–Sep; bushy multi-stemmed) |
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| Transplant to 30cm (Sep–Oct Year 1) |
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| Pastel mix flowers (Apr–May Year 2; clove fragrance) |
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Common Problems & Solutions
| Problem | Likely Cause | What to Do |
|---|---|---|
| Plants not flowering in Year 2 | Growing tip not pinched; transplanted too late; acid soil | Always pinch out growing tips at 10–15cm. Transplant September–October. Check soil pH and lime if acid. Wallflowers require neutral to alkaline soil to flower well. |
| Club root — swollen distorted roots; plants wilting | Brassicaceae family susceptible to club root | Avoid planting in soil with a history of club root. Lime soil before planting (pH 7–7.5). Grow in containers with fresh compost in severely affected gardens. |
| Leggy, sparse single stems; few flowers | Growing tip not pinched out at the seedling stage | Pinch out the growing tip when plants are 10–15cm tall. This is essential for multi-stemmed, floriferous plants — unpinched wallflowers produce very few flowers on a single main stem. |
| TOXICITY warning | All parts toxic including seeds; contains cheirotoxin | Keep away from children and pets. Wear gloves when handling large quantities. Do not eat any part of the plant. |
Plant Specifications
Lemon, cream, salmon, dusky pink, apricot and lilac in one clove-scented spring display — the most colour-versatile wallflower for mixed spring schemes
Sow outdoors May–July (Year 1) at 6mm depth. Thin to 15cm. Pinch growing tip at 10–15cm. Transplant to 30cm in September–October in full sun with well-drained alkaline soil. Plant tulip bulbs between plants. Flowers April–May (Year 2) with pastel mix and clove fragrance. All parts toxic.
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