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Flowers to Sow in March

Wondering which flowers to sow in March? Sowing flower seed is at its peak this month as most summer bedding varieties can now be sown, including cosmea, gazania, petunia, lobelia, sweet pea, calendula, clarkia, larkspur, nigella and marigold. Browse our March flower seeds below.

Wondering which flowers to sow in March? Sowing flower seed is at its peak this month as most summer bedding varieties can now be sown, including cosmea, gazania, petunia, lobelia, sweet pea, calendula, clarkia, larkspur, nigella and marigold. Browse our March flower seeds below.

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Sweet Pea Seeds - Sublime Scent Mix

Average Packet Content 25 seeds

£2.99
Sweet Pea Seeds - Spencer Special Mix

Average Packet Content 35 seeds

£1.75
Cat Grass Seeds

Average Packet Content 700 seeds

£1.75
Cosmea Seeds - Sonata Dwarf Mix

Average Packet Content 65 seeds

£1.99
Poppy Seeds - Field Poppy (rhoeas)

Average Packet Content 2800 seeds

£1.99
Calendula Seeds - Daisy Mix

Average Packet Content 50 seeds

£1.75
Sweet Pea Seeds - Fragrant Tumbler

Average Packet Content 25 seeds

£2.99
Sunflower Seeds - Giant Yellow

Average Packet Content 50 seeds

£1.99
Cornflower Seeds - Polka Dot Mix

Average Packet Content 350 seeds

£1.55
Sweet Pea Seeds - Long Stem Mixed

Average Packet Content 50 seeds

£4.49
Geranium F2 Seeds - Super Hybrid Mix

Average Packet Content 25 seeds

£2.79
Cosmos Seeds - Sensation Tall Mix

Average Packet Content 150 seeds

£1.99
Sweet Pea Seeds - Cupani

Packet Content 20 seeds

£2.49
Tithonia Seeds - Red Torch

Average Packet Content 75 seeds

£1.99
Poppy Seeds - Lilac Pompom

Average Packet Content 900 seeds

£1.99
Dahlia Seeds - Disco Dancer Mix

Average Packet Content 45 seeds

£1.99
Nasturtium Seeds - Dayglow Mix

Average Packet Content 35 seeds

£1.99
Cornflower Seeds - Classic Fantastic

Average Packet Content 200 Seeds

£1.75
Strawflower Seeds - Forever Mix

Average Packet Content 850 seeds

£0.99
Calendula Seeds - Orange King

Average Packet Content 150 seeds

£1.75
Sweet Pea Seeds - Prince of Orange

Average Packet Content 25 seeds

£2.49
Gaura Seeds - The Bride

Average Packet Content 25 seeds

£3.49
Poppy Californian Seeds - Vivid Mix

Average Packet Content 500 seeds

£1.75
Coleus Seeds - Rainbow Mix

Average Packet Content 100 seeds

£1.99
Lobelia Seeds - Crystal Palace

Average Packet Content 650 seeds

£1.99
Sweet Pea Seeds - High Scent

Average Packet Content 22 seeds

£2.99
Sweet Pea Seeds - Anne Gregg

Average Packet Content 25 seeds

£2.99
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Wondering which flowers to sow in March? Seed sowing is at its height this month, as most of the summer bedding plants can now be sown.

Indoors, flowers to sow in March include half-hardy annuals such as ageratum, impatiens (busy lizzie), cosmea, gazania, petunia, lobelia and marigold can be sown in the heated greenhouse or indoors.

Take a look at our propagators and propagation equipment to get the most from your seeds.

Outdoors, provided soil conditions are not too cold and wet, flowers to sow in March include many hardy annuals. Suitable plants for sowing where they will flower include the following popular items: calendula, clarkia, larkspur and nigella. Sweet pea plants are happy to be situated in sunny borders remembering to tie stems onto supports which will encourage quicker climbing and flowering.

Head to our blog for more March gardening advice.

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