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Welsh Poppy

Papaver cambricum · Papaveraceae

The gardener's calendar

The right move for September

Ideal time to plant welsh poppy: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

JFMAMJJASOND Planting

ID card

Common name
Welsh Poppy
Family
Papaveraceae
Type
Perennial herbaceous plant
Flowering
May to August
Flowers
Bright yellow or orange
Adult size
30 to 60 cm in height
Foliage
Deciduous, finely cut, blue-green
Hardiness
Very hardy (down to -15°C)

Care

Light exposure

Plant your Welsh poppy in full sun or light partial shade to get generous flowering. This plant appreciates bright, well-aerated environments. Avoid areas that are too shaded, as these will slow down flower production.

Soil and planting

The poppy prefers well-drained soil that is poor to moderately fertile. It tolerates rocky or sandy soils very well, typical of rocky areas. Absolutely avoid heavy, clay or poorly drained soils that cause root rot.

Watering

Water moderately during the growing season, particularly during prolonged dry spells. Once established, this plant is relatively water-efficient. Reduce watering in autumn and winter to encourage dormancy.

Fertilization

Undemanding, this plant only needs a light application of fertilizer in spring. Poor soil is actually beneficial, as excess nutrients promote foliage at the expense of flowering. A moderate dose is more than sufficient.

Pruning and maintenance

Remove faded flowers regularly to prolong blooming and encourage new flowers. At the end of the season, cut dry stems back to ground level. This operation promotes vigorous regrowth the following spring.

Health problems

Welsh poppy is generally robust. Watch out for powdery mildew in case of excessive humidity, and slugs which can damage young plants. Good drainage and proper aeration are usually enough to prevent most diseases.

Did you know?

The Welsh poppy, Britain's unique perennial poppy with yellow flowers, was once used in traditional Welsh medicine. Unlike its oriental cousins, it contains only a negligible fraction of alkaloids and enjoys a reputation as a gentle plant. Today, it mainly appeals to lovers of natural gardens and rock gardens for its bright, prolonged flowering.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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Tips generated and checked by Viridia — adapt them to your local climate.