Petunia Cascadias Indian Summer
Petunia Cascadias Indian Summer
Petunia Cascadias Indian Summer
Petunia Cascadias Indian Summer
Petunia Cascadias Indian Summer
Petunia x hybrida Cascadia® Indian Summer
Petunia
The seedlings arrived quickly and are in great shape!
Brr, 02/04/2026
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Description
The Cascadias 'Indian Summer' Petunia is a brand new trailing Petunia with a promising future. This colour magician produces a profusion of amazing flowers because they continually change colour, in a range of very warm shades. They bloom in a yellow hue, gradually turn coppery orange, then take on a pink-orange hue, or sometimes brick red, before fading. The overall effect forms a dense dome that cascades in multicoloured waterfalls. Its early and prolonged flowering as well as its ease of cultivation make this annual plant a fabulous variety for hanging baskets and containers. It will thrive in full sun or partial shade, in a light, fertile, and not too dry soil.
Hybrid petunias all originate from several plants native to the warm regions of South America. Trailing petunias came about by chance when a scientist noticed in 1989, on the edge of a field, a particularly vigorous wild petunia covered in bright flowers: the Petunia inflata. Crossed with others, this species gave rise to trailing petunias, which were given the name Surfinias. The 'Cascadias' series was developed in the 2000s. The 'Cascadias Indian Summer' Petunia belongs to the Solanaceae family, it is closely related to ornamental tobacco, for example, and its foliage also contains alkaloids. This vigorous plant quickly forms a beautiful creeping clump, at least 40 cm (15.7 in) in height and 90 cm (35.4 in) to 1.20 m (3.9 ft) in diameter, with a very trailing habit. It produces cascades of large velvety flowers, slightly fragrant, in the shape of flared trumpets, all along its long densely hairy stems, from June until autumn, provided that faded flowers are regularly removed and it is regularly fertilised. In a whirlwind of wonderful shades worthy of Indian summer, they almost conceal the hairy foliage, with entire and elongated leaves with entire edges and a light green hue.
No other annual flowering plant has been the subject of such in-depth selection work by breeders for over a century. The results are impressive, as petunias compete with geraniums for the splendour and length of their flowering, as demonstrated by this variety. Plant it in large pots or hanging baskets, above walls, wherever its flower-covered stems can descend. You can also plant them in borders, in large swathes, to punctuate grey foliage plants such as cerastiums or artemisias, or cover the base of roses. 'Cascadias Indian Summer' pairs well with 'Hot Water Blue' lobelias or white petunias that will perfectly enhance its brilliant flowering. Drought and heat resistant, Cascadias Petunias appreciate sunny locations as well as partial shade.
Note: Please be aware that our young plants in mini plugs are professional products intended 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 installed outdoors once all risk of frost has passed.
Petunia Cascadias Indian Summer in pictures
Flowering
Foliage
Plant habit
Botanical data
Petunia
x hybrida
Cascadia® Indian Summer
Solanaceae
Petunia
Cultivar or hybrid
Planting and care
You can plant your 'Cascadias' 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 little late frost). In the meantime, you can pre-cultivate them in a pot in a warm and bright place to accelerate their growth. The Petunias will flower from June to October. Plant your 'Cascadias Indian Summer' petunias in a sunny or partially shaded spot sheltered from the wind. They need a light and humus-rich but above all well-draining soil. Do not water them too much at the beginning of the growing season as they are sensitive to excess moisture. They tolerate drought well, but will need regular watering during hot summer weather. Petunias are sensitive to frost (minimum -1°C). Very floriferous and fast-growing, they are hungry plants. We recommend feeding them with a liquid fertiliser for surfinias once or twice a week during the growing period. Remove faded flowers and dry leaves as they appear to keep them looking beautiful and extend the 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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