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

Cosmea Seeds - Sonata Dwarf Mix

Average Packet Content 65 seeds

£1.99

Sunflower Seeds - Giant Yellow

Average Packet Content 50 seeds

£1.99

Cosmos Seeds - Sensation Tall Mix

Average Packet Content 150 seeds

£1.99

Sweet Pea Seeds - Spencer Special Mix

Average Packet Content 35 seeds

£1.75

Geranium F2 Seeds - Super Hybrid Mix

Average Packet Content 25 seeds

£2.79

Nasturtium Seeds - Little Gem Mix

Average Packet Content 25 seeds

£1.00 £1.99 SAVE 50%

Marigold French Seeds - Boy-O-Boy Mix

Average Packet Content 120 seeds

£2.49

Dahlia Seeds - Disco Dancer Mix

Average Packet Content 45 seeds

£1.99

Lobelia Seeds - Crystal Palace

Average Packet Content 650 seeds

£1.99

Calendula Seeds - Daisy Mix

Average Packet Content 50 seeds

£1.75

Antirrhinum Seeds - Illumination Mix

Average Packet Content 2400 seeds

£1.99

Cosmea Seeds - Brightness Mix

Average Packet Content 100 seeds

£2.99

Lobelia Seeds - String of Pearls

Average Packet Content 650 seeds

£1.99

Nasturtium Seeds - Dayglow Mix

Average Packet Content 35 seeds

£1.99

Sweet Pea Seeds - True Fragrance

Average Packet Content 25 Seeds

£2.49

Cornflower Seeds - Polka Dot Mix

Average Packet Content 350 seeds

£1.55

Pansy Seeds - Giant Fancy Mix

Average Packet Content 250 seeds

£1.99

Impatiens Seeds - Super Hybrid Mix

Average Packet Content 60 seeds

£2.79

Zinnia Seeds - Fireworks Mix

Average Packet Content 120 seeds

£1.99

Nicotiana Seeds - Evening Fragrance Mix

Average Packet Content 1000 seeds

£1.99

Sunflower Seeds - Waooh!

Packet Content 20 seeds

£1.99

Cornflower Seeds - Classic Fantastic

Average Packet Content 200 Seeds

£1.75

Poppy Seeds - Field Poppy (rhoeas)

Average Packet Content 2800 seeds

£1.99

Cosmos Seeds - Rubies in Sunshine

Average Packet Content 25 seeds

£3.49

Love-in-a-Mist Seeds - Persian Jewels Mix

Average Packet Content 750 seeds

£1.99

Petunia Seeds - F2 Cheerful Mix

Average Packet Content 850 seeds

£1.99
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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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