Petunia Duo Mixed F1

Petunia hybrida Duo Mixed F1
Garden Petunia, Common Petunia

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per pack of 35 seeds approximately

From 6,50 €

Price per item 7,90 €
Price for 3: 19,50 € i.e 6,50 € each

Sku: 86199

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A collection of early-flowering petunias with beautifully double flowers, delicately edged like orchids, displaying many solid or heavily veined colours, ranging from white to very dark red and pink and mauve. Very floriferous from May to June to September and easy to grow, these small annual plants bring a fantastic splash of colour to flower pots and hanging baskets. Sow the seeds in early spring under heated shelter.

Flower size

4 cm

Height at maturity

30 cm

Exposure

Sun, Partial shade

Germination time (days)

18 days

Sowing method

Sowing under cover, Sowing under cover with heat

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Sowing period March to April

JAN J

FEB F

MAR M

APR A

MAY M

JUN J

JUL J

AUG A

SEP S

OCT O

NOV N

DEC D

Flowering time June to September

JAN J

FEB F

MAR M

APR A

MAY M

JUN J

JUL J

AUG A

SEP S

OCT O

NOV N

DEC D

Description

The Hybrid Petunias from the 'Duo Mixed' F1 selection are distinguished by their double and early flowering in many colour combinations ranging from white to dark red, including various shades of pink and mauve. Depending on the plants, the beautifully fringed flowers are either solid in colour, bicoloured, or marked with veins of different colours. They bloom on homogeneous plants with compact and dense vegetation. Forming beautiful flowering domes for months, these easy-to-grow annual plants are perfect for adding a touch of fantastic colour to terraces and balconies.

Our hybrid petunias are all derived from several plants native to the warm regions of South America. The petunias from the 'Duo Mixed F1' mix belong to the Solanaceae family and are closely related to ornamental tobacco, and their foliage contains alkaloids. They are tender herbaceous plants with a short lifespan, grown annually in our climates. Each plant quickly forms a round and ramified clump about 30 cm (12in) tall and 40 cm (16in) in diameter, with a dense yet graceful habit. They flower from June to September-October, provided that faded flowers are regularly removed and regular fertilisation is provided. Their well-double flowers are of a good size, offering a rich palette of colours, including pure white, shades of pink and mauve, violet-red, and dark magenta. The small, somewhat pubescent leaves have entire edges and a dark green hue.

No other annual flowering plant has undergone such intense selection by breeders for a long time. The results are impressive, as petunias compete with geraniums in terms of splendour and length of flowering, as demonstrated by this 'Duo Mixed' F1 selection. Plant petunias in large pots or hanging baskets. They can also be planted in flower beds to punctuate perennial plant borders.

Attention, seeds reserved for very experienced gardeners who are accustomed to sowing very fine seeds. These seeds are as fine as dust, barely visible to the naked eye.

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Petunia, Surfinia, Calibrachoa: planting, sowing, care

Family sheet

Modified the 11 August 2025 by Virginie T. 17 min.

Petunia, Surfinia, Calibrachoa: planting, sowing, care

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Most often hung on balconies or suspended from window sills, <a href="https://en.promessedefleurs.eu/annuals/plug-plants-annuals/annuals-by-variety/petunia-and-surfinia.html">Petunias</a> and <a href="https://en.promessedefleurs.eu/annuals/plug-plants-annuals/annuals-by-variety/calibrachoa-or-mini-petunia.html">Calibrachoas</a>, “Million Bells” or mini petunias, are remarkable for their generous flowering that lasts from May until the first frosts, forming a true cascade of flowers. They now rival geraniums for the splendour and duration of their flowering and often form the basis of summer flower displays. They are perfect for all gardens, pots, hanging baskets and borders. These tender summer-flowering plants are grown as annuals in our climates and must be stored in winter in a conservatory. [caption id="attachment_47619" align="alignnone" width="1172"]<img class="size-full wp-image-47619" src="https://www.promessedefleurs.com/blogwp/wp-content/uploads/2018/08/Petunia.jpg" alt="Petunia, surfinia" width="1172" height="780" /> Petunia flowers.[/caption] They come in an infinite array of often bright colours, sometimes bicoloured or tricoloured, from pure white to intense black or indigo blue with all the shades of pink, red and orange. Petunia Grandiflora with large flowers, Petunia Surfinia with a trailing habit, blue petunia or black petunia (Petunia (x) hybrida ‘blackberry’), red and orange Calibrachoa hybrids, with double or single flowers, the choice is vast and allows all gardeners, even the inexperienced, to unleash their imagination. Easy to grow, they thrive in full sun, in any well-drained garden soil while remaining cool. They demonstrate excellent resilience to the elements and a lovely resistance to heat. Throughout the summer, these generous and vigorous annual plants do, however, require regular and abundant watering, along with regular fertiliser applications to give their best. From cuttings to maintenance, discover our collection of <a href="https://en.promessedefleurs.eu/annuals/plug-plants-annuals/annuals-by-variety/petunia-and-surfinia.html">Petunias, Surfinias</a> and <a href="https://en.promessedefleurs.eu/annuals/plug-plants-annuals/annuals-by-variety/calibrachoa-or-mini-petunia.html">Calibrachoas in plug plants</a> as well as <a href="https://en.promessedefleurs.eu/annuals/flower-seeds/flower-seeds-by-variety/petunia-seeds.html">our unique selection of seeds</a>! Popular, floriferous and fuss-free, they are essential in summer!

Flowering

Flowering time June to September

Inflorescence Solitary

Foliage

Foliage persistence Annual

Foliage colour dark green

Plant habit

Height at maturity 30 cm

Spread at maturity 40 cm

Growth rate very fast

Botanical data

Genus

Petunia

Species

hybrida

Cultivar

Duo Mixed F1

Family

Solanaceae

Other common names

Garden Petunia, Common Petunia

Origin

Cultivar or hybrid

Product reference • 861991

Planting and care

Sow the petunia seeds from late winter to mid-spring at 21-27°C (69.8-80.6°F) in a tray by spreading the seeds on the surface of a good seed-specific research area enriched with compost. Mix the seeds with sand or light soil to sow more clearly. Do not cover the seeds; press them onto the medium with a simple press. Keep the soil moist but not waterlogged. Keep the sowing in the light in a transparent, airtight plastic bag. Germination usually takes 10 to 21 days.

When the seedlings are large enough to handle, transplant them into pots and let them grow in cooler conditions. For 10 to 15 days, gradually acclimate them to outdoor conditions; then, when all risk of frost has passed, plant the plants in sunny and sheltered areas in well-drained soil.

For pot cultivation, transplant the seedlings into 7.5 cm (3in) diameter buckets, place them in a cool, well-ventilated area, in a bright location and protected from direct sunlight.

Sowing period

Sowing period March to April

Sowing method Sowing under cover, Sowing under cover with heat

Germination time (days) 18 days

Intended location

Suitable for Meadow

Type of use Edge of border, Container, Conservatory

Ease of cultivation Amateur

Exposure Sun, Partial shade

Soil pH Any

Soil moisture Moist soil, fertile, light