Best Flower Seeds to Sow in May

Explore flower seeds that are well suited to sowing in May. Browse popular flower seeds to sow this month, with seasonal seed varieties for gardens, pots, borders and allotments.

120 products

120products

Papaver Somniferum Ultimate Mixture

Opium Poppy

£3.65

Achillea Millefolium Mix

Common Yarrow, Devil's Nettle, Hundred-Leaved…

£2.75

Muhlenbergia Capillaris

Pink Muhly Grass, Muhly Grass, Hairawn Muhly,…

£3.45

Papaver Macrostomum Black Magic

Black Magic Poppy, Persian Poppy

£3.95

Angelica Sylvestris Ebony

Vicars Mead

£3.95

Papaver Somniferum 'Lauren's Grape'

£3.70

Erigeron Karvinskianus

Mexican Fleabane

£3.45

Fibigia Clypeata

£2.95

Astrantia Major 'Ruby Wedding Series'

Masterwort 'Ruby Wedding'

£3.75

Papaver Somniferum Summer Blaze

Opium Poppy

£2.90

Calendula Officinalis

Common Marigold, Pot Marigold

£2.10

Antirrhinum Majus Doubleshot Appleblossom F1

Snapdragon, Double Shot Appleblossom Snapdrag…

£2.45

Meconopsis Himalayan Velvet (Lingholm - Ex Grandis)

Himalayan Poppy, Meconopsis Ex Grandis

£3.55

Echinacea Purpurea 'Brilliant Star'

Coneflower

£1.95

Delphinium Ajacis Mix

£2.10

Selinum Wallichianum

Wallich Milk Parsley, Selinum Tenuifolium, Li…

£3.25

Agastache Rugosa Honey Bee Blue

Honey Bee Blue Hyssop, Korean Mint, Blue Gian…

£2.90

Portulaca Grandiflora Doubles Mixed

Rose Moss, Ten O'clock, Mexican Rose, Moss Ro…

£2.45

Astrantia Maxima

Masterwort

£3.95

Stipa Lessingiana

Feather Grass, Hair Grass

£2.90