🌸 Petunia grandiflora F1 ‘Blue Veined’ – Large-Flowered Hybrid with Striking Veined Blooms

Petunia grandiflora F1 ‘Blue Veined’ is an eye-catching large-flowered petunia hybrid producing bold blue to violet blooms highlighted with distinctive darker veining. The flowers are large and showy, creating strong visual impact in containers, hanging baskets, window boxes and bedding displays. Thanks to F1 hybrid vigour, plants are uniform, free-flowering and reliable, performing well throughout the summer season when given sun and regular feeding.

Key Features

● Large grandiflora flowers with decorative blue veining

● F1 hybrid for strong growth and uniform plants

● Long flowering season from early summer to autumn

● Excellent for containers, baskets and bedding

● High ornamental value with intense colour contrast

How to Sow & Grow Petunia ‘Blue Veined’ (UK)

Sow indoors: II–III (February–March)

Transplant outdoors: V–VI (May–June) after last frost

Direct outdoors: Not recommended

Flowering: VI–X (June–October)

Life cycle: Annual

Germination temperature: 20–22 °C (68–72 °F)

Average germ time: 7–14 days

Depth: Surface sow – do not cover; gently press into compost (light required)

Light required: Yes

Moisture: Keep soil evenly moist

Environment: Full sun (tolerates light shade)

Soil type: Fertile, well-drained compost or soil

Plant spacing: 20–25 cm (8–10 in)

Height: 25–30 cm (10–12 in)

Sowing & Growing Tips (variety-specific)

● Start early under cover for the longest flowering period.

● Provide good light to prevent stretching at seedling stage.

● Feed regularly once flowering begins.

● Remove spent flowers or trim lightly to keep plants tidy.

● Protect young plants from cold and strong winds.

Special Features

● Striking veined flower pattern

● Premium F1 hybrid quality

● Excellent summer performance in containers