Sweet Potato Jet Black - Ipomoea batatas
Sweet Potato Jet Black - Ipomoea batatas
Sweet Potato Jet Black - Ipomoea batatas
Ipomoea batatas Jet Black
Sweet Potato, Yam
Plants arrived in excellent condition and established well in their pots before being planted out in the open ground.
Viviane, 12/04/2026
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This plant carries a 6 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
The Sweet Heart 'Jet Black' Ipomoea or Ipomoea batatas is a perennial gelive plant, grown as an annual. It forms an elegant and trailing dome, with flexible stems covered in opulent, shiny purple-black foliage, delicately heart-shaped leaves. This plant transforms all hanging baskets and planters just by its presence. It should be grown in full sun or partial shade, in moist but well-drained soil.
Ipomoea batatas is a plant from the Convolvulaceae family, native to Central America and the Pacific Islands. In its country of origin, it is a climbing perennial plant that can reach a length of 1 to 3 metres (3 to 10 feet). The 'Sweet Heart' Ipomoeas were originally developed as part of a research project to create new edible varieties. The fantastic colours of their foliage eventually found their way to our terraces and balconies.
The 'Jet Black' variety stands out for its remarkable foliage, compact and trailing habit, of great ornamental value. This plant forms a round and dense clump, at least 20cm (8in) in height, with a diameter of 40cm (16in) or more. On sturdy yet flexible stems, its perfectly shaped entire leaves resemble hearts or 'spades', with a purple hue that turns brick or black depending on the sunlight. This plant blooms little, at the end of the season, after a long period of sun and heat. Its small deep cone-shaped flowers are pink with a darker throat, nestled in the foliage. This plant shows good tolerance to summer heat.
The 'Jet Black' Ipomoea has a strong personality, but it enhances all the companion plants. It can be used in floral compositions, in pots, planters or hanging baskets. Combine the nuanced purple of its foliage with the blue of Lobelias, the orange of Verbenas and a bright pink pelargonium. It can be used to border pathways and create very unique annual ground covers, forming a sumptuous setting for taller perennials. Its foliage looks best when the plant is backlit, slightly shaded in the afternoon.
Note: Please be aware that our young plug plants are professional products reserved for experienced gardeners. Upon receipt, transplant and store them in a sheltered place (veranda, greenhouse, cold frame...) at a temperature above 14°C (57.2°F) for a few weeks before installing them outdoors once the risk of frost has definitively passed.
Sweet Potato Jet Black - Ipomoea batatas in pictures
Flowering
Foliage
Plant habit
Botanical data
Ipomoea
batatas
Jet Black
Convolvulaceae
Sweet Potato, Yam
Cultivar or hybrid
Planting and care
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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