The six varieties of poppy every gardener needs to know

From common poppy and the poum poppy to the bright yellow Welsh poppy, Jack Watkins takes a look at these exquisite natural flowers.

Don’t take it for granted that, when you see a poppy, it’s always the common species that’s one of the gems of the wildflowers of Britain. There are several varieties. Here’s how to tell the apart.

Common poppy (Papaver rhoeas)

The poppy of the Flanders battlefields, arable fields, hedge banks and roadsides, with a hairless, flat-topped seed pod and right-angled hairs on stems.

ommon Poppy - papaver rhoeas

Long-headed poppy (Papaver dubium)

Paler, smaller flower than the common, with a long and narrow seed capsule. The most common poppy in the North of England.

A long-headed poppy field.

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Prickly poppy (Papaver argemone)

Smaller and rarer than the common one, it likes sandy soils and has long, narrow seedheads that are covered in bristles, with a black spot at the base of each petal.

Prickly Poppy.

Rough poppy (Papaver hybridum)

The rarest of the poppies, with small red petals that carry a black spot at the base. Its seed capsule is globe-shaped and covered in stiff yellow bristles.

Rough poppy, aka Papaver hybridum.

Opium poppy (Papaver somniferum)

Has large lilac flowers with a purple blush at the centre. Once cultivated in the UK, but those seen in the wild today are usually garden or field escapees.

A red opium poppy (Papaver somniferum).

Yellow-horned poppy (Glaucium flavum)

Easily spotted at shingly seaside locations, with big yellow flowers and waxy leaves. Grows up to 3ft. Can also grow on sand and clifftops.

Yellow horned poppy (Glaucium flavum).

Welsh poppy (Meconopsis cambrica)

Yellow-flowered plant of damp, shaded woods, hedges and rocky places in Wales and South-West England. First identified by Carl Linnaeus in Wales, hence its name.

Welsh Poppy.

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