Description

Condition: New

Annual Plant (D) KS13

Dahlia ‘Bloody Mary’ Seeds

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Dahlia ‘Bloody Mary’
Botanical Name: Dahlia variabilis
Type: Half-Hardy Annual (tuberous perennial grown as annual from seed)

Dahlia ‘Bloody Mary’ is a vibrant seed-grown dahlia mix featuring eye-catching blooms in deep reds, crimson, cherry, and bicolour shades. With semi-double to fully double flowers and attractive dark foliage, it brings bold colour and drama to summer beds, borders, and containers. Easy to grow from seed and loved by pollinators, it offers a stunning display from mid-summer until the first frost.

Plant Details

Type: Half-Hardy Annual (perennial if tubers are lifted)
Height: Approx. 35cm
Spread: 30 – 40 cm
Flowers: July – October
Position: Full sun; rich, well-drained soil

Growing Information

Sow Indoors: Indoors from February–April or direct after frost, 5 mm deep in moist compost
Germination: 7 – 14 days at 18 – 21°C
Transplant: Prick out seedlings and grow on; plant out after last frost
Spacing: 30 – 40 cm apart
Care: Deadhead regularly for more blooms. Feed fortnightly once flowering begins.

Why You’ll Love It

Striking deep red & bicolour blooms – bold & beautiful
Long flowering season – all summer into autumn
Excellent for borders, beds, and cutting
Easy to grow from seed – great alternative to tubers
Loved by bees and butterflies 🦋

Top Tip

Lift and store tubers after the first frost to grow again next year — or treat as an annual for easy seasonal colour.

Perfect For

Summer borders & bedding displays
Cutting gardens & bouquets
Pollinator-friendly planting
Patio containers & mixed beds
Rich colour-themed planting schemes

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