Zinnia elegans ‘Dahlia’ Seeds – Large Blooms for Cutting & Summer Colour (UK)

Zinnia elegans ‘Dahlia’ produces large, fully double flowers with a bold, dahlia-like form in rich summer colours. Easy to grow and highly productive, it’s ideal for UK cut-flower gardens, borders, and sunny beds.

Why Grow Zinnia ‘Dahlia’?

• Large, fully double dahlia-style blooms

• Outstanding as a cut flower with long vase life

• Thrives in warm, sunny conditions

• Free-flowering and long lasting through summer

• Easy to grow from seed

• Excellent colour impact in borders

A must-grow annual for gardeners who want big flowers and reliable summer colour.

“Perfect alongside Cosmos, Scabiosa and Cornflower for long-lasting summer bouquets.”

How to Sow Zinnia Seeds (UK Guide)

• Sowing time: March–April indoors, May direct outdoors

• Where: Seed trays under cover or direct sow after frost

• Seed depth: 5–10mm

• Germination: 7–10 days

• Temperature: 18–22°C

Zinnias dislike cold soils — wait until all risk of frost has passed before planting outside.

Growing Instructions

• Grow in full sun for best flowering

• Prefers fertile, well-drained soil

• Space plants 25–30cm apart

• Water at the base to avoid mildew

• Cut flowers regularly to encourage more blooms

Flowering & Use

• Flowering period: Summer through early autumn

• Ideal for cut-flower gardens and bold borders

• Excellent for bouquets and floral arrangements

• Strong stems make cutting easy

Product Details

• Variety: Zinnia elegans ‘Dahlia’

• Plant type: Half-hardy annual

• Flower form: Fully double, dahlia-style

• Approx. seed count: (130 seeds)

• Plant height: Approx. 60–90cm

• Growing location: Borders, cut-flower gardens

• Difficulty level: Easy

• Suitable for: UK growing conditions

Why Buy from Curriott Hill Nursery

• Seeds selected for reliable UK performance

• Small-batch, quality-focused nursery

• Fast UK dispatch

• Ideal for beginner and experienced growers