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Petunia grandiflora Superbissima

Petunia x hybrida grandiflora Superbissima
Grandiflora Petunia

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More information

An ancient variety of petunia is as exceptional as it is exotic. Very robust, it is covered, from June to the first frost, with enormous completely unprecedented flowers: petals that are very undulate and a finely veined centre, in a magnificent range of pink, purple, and lilac. It is perfect for flowerbeds and borders and for growing in pots and hanging baskets.
Flower size
15 cm
Height at maturity
35 cm
Exposure
Sun
Annual / Perennial
Annual
Germination time (days)
21 days
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Sowing period March to April
J
F
M
A
M
J
J
A
S
O
N
D
Flowering time June to October
J
F
M
A
M
J
J
A
S
O
N
D

Description

The Petunia grandiflora 'Superbissima' is an old variety of petunia that is as exceptional as it is exotic. Very robust, it is covered, from June to the first frost, with huge flowers (10 to 15 cm (4 to 6in)) that are entirely unprecedented: very undulated petals and a finely veined heart in a magnificent range of pink, purple, and lilac. Its compact habit is perfect for flower beds and borders and for growing in pots and hanging baskets.

It is a highly appreciated plant of excellent ornamental value, which owes its success to its generosity and flowering duration.

The Petunia grandiflora Superbissima is very versatile; you can plant it in the garden, in a border in an exotic flower bed, or even in a pot, planter, or hanging basket where it will look excellent on its own or accompanied by Ipomoea Illusion Midnight Lace, Diascia, Sage Gogo Purple, or even with Holcus mollis for a modern and contrasting effect.

Originating from South America and belonging to the Solanaceae family (like the Ornamental Tobacco but also... the potato!), the Petunia, or Petunia x hybrida, is an annual herbaceous plant. It bears charming bell-shaped flowers on stems that lengthen over time, with the size and colour varying depending on the variety. Its leaves are slightly pubescent, with smooth edges and dark green. Its flowering begins in June and lasts until the first frost.

Petunias thrive in sunny and sheltered locations. They should be planted in rich, light, and well-drained soil or substrate. They are easy to grow but require a lot of water.

To encourage and support its long flowering period, it is advisable to regularly remove faded flowers and, especially in pots and planters, provide a potassium-rich fertiliser that will promote the emergence of new flowers.

 

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

Flowering

Flower colour multicoloured
Flowering time June to October
Inflorescence Solitary
Flower size 15 cm

Foliage

Foliage persistence Annual
Foliage colour dark green

Plant habit

Height at maturity 35 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Petunia

Species

x hybrida grandiflora

Cultivar

Superbissima

Family

Solanaceae

Other common names

Grandiflora Petunia

Origin

Cultivar or hybrid

Product reference14861

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Planting and care

Sow petunias on a good sowing compost surface from February to April and press gently. Cover the seeds lightly with a thin layer of vermiculite or sieved compost. Place the bowl in a propagator (or enclose it in a polythene bag) or above a radiator at a temperature of 21 to 25°C. Keep the soil moist but not soggy. Light facilitates germination, which generally takes 10 to 21 days.

Once the young petunia plants are large enough to handle, transplant them. Gradually acclimatise the plants to cooler conditions until they are strong enough to be moved outdoors once all risk of frost has passed. Transplant them into well-drained soil at a distance of 30 cm or grow them in pots or window boxes.

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Sowing period

Sowing period March to April
Germination time (days) 21 days

Intended location

Type of use Border, Edge of border, Container
Ease of cultivation Amateur
Exposure Sun
Soil pH Any
Soil moisture Damp soil, Draining, rich

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