Petunia Mystery Sky
Petunia Mystery Sky
Petunia Mystery Sky
Petunia x hybrida Mystery Sky®
Garden Petunia, Common Petunia
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Description
Petunia Mystery Sky is a variety in the line of Night Sky with starry flowers but a dark violet colour. This rather compact variety has large flowers with a fascinating colour. They seem to sparkle with white spots of varying size on a rich purple background with black and purple highlights. The flowering is abundant and prolonged, on a bushy and semi-trailing plant. This petunia is capable of transforming any terrace into a fantastic setting, on its own or planted with other varieties from the Sky series.
Petunia belongs to the solanaceae family; it is related to ornamental tobacco and its foliage also contains alkaloids. These annual, biennial, or frost-tender perennial plants are most often grown as annuals and all originate from the warm regions of South America.
Petunia Mystery Sky is part of a new series of hybrids that stands out from the rest. It forms a beautiful dense and semi-trailing clump, with long velvety stems rising up to 25 to 35 cm (10 to 14in) before cascading down to 60 cm (24in), or even more. The plant is in bloom from May-June to October, provided it is regularly watered and fed. Its large, cup-shaped flowers are about 7-8 cm (3in) in diameter, with a velvety texture and a deep violet colour with small white spots which appear more intense when there are significant temperature differences between day and night. These flowers bloom on dense foliage. The hairy, ovate and pointed, vigorous and healthy leaves are dark green and have entire edges. This variety requires very little maintenance: simply remove faded flowers regularly.
No other flowering annual plant has undergone such intense selection by breeders for such a long period. The results are impressive and petunias rival geraniums in splendour and length of flowering, as evidenced by this Mystery Sky variety, a true horticultural achievement in terms of colour. Plant it in large, white, grey or red designer pots, or hanging baskets, with white or dark red petunia varieties. You can also plant it in flower beds, to edge borders of plants with grey or white foliage such as Dusty Miller, Sea cineraria, or Wormwood. If you want it to stand out, plant several plants to create an original ground cover. Use the flowers to decorate a floral centrepiece, sprinkled with gold glitter, for example, to amaze your guests!
Note: Attention, plug plants are products reserved for experienced gardeners: upon receipt, transplant and store them under cover (veranda, greenhouse, cold frame...) at a temperature above 14 °C for a few weeks before being planted outdoors once all risk of frost has passed.
Petunia Mystery Sky in pictures
Flowering
Foliage
Plant habit
Botanical data
Petunia
x hybrida
Mystery Sky®
Solanaceae
Garden Petunia, Common Petunia
Cultivar or hybrid
Planting and care
You can plant your Mystery Sky petunias in the ground or in a pot. If you want to plant them in the ground, wait until the last heavy frosts have passed (surfinia petunias can tolerate a light late frost). In the meantime, you can grow them on in a pot in a warm and bright location to accelerate their growth. Plant your petunias in a sunny location sheltered from the wind. They need light and humus-rich, well-draining soil. Do not water them too much at the beginning of their growth, as they are sensitive to excess moisture. They tolerate drought well but will need regular watering during hot summer periods. They are floriferous and fast-growing, hungry plants. We recommend feeding them with a liquid petunia fertiliser once or twice a week during the growth period. Remove faded flowers and dry leaves as they appear to keep them looking good and extend their flowering period.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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