Mirabilis jalapa
Mirabilis jalapa
Mirabilis jalapa
Four o'clock flower, Marvel of Peru
Beautiful tubers resembling black radish. Plant upon receipt. Waiting for growth and the next fragrant bloom.
Nathalie, 11/04/2021
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Description
The Four O'Clock Flower, known as Mirabilis Jalapa in Latin, grows rapidly from a black root that resembles a salsify. In the span of one season, the plant forms a lovely bush that blooms from July to October. This mix consists of several varieties with various colours. The flowers of the Four O'Clock Flower, pleasantly fragrant in the evening, open in cloudy weather or in the late afternoon. They are tender perennials, but easy to grow, and are often treated as annuals outside of mild regions. A semi-shaded or even shaded exposure allows you to enjoy the flowers even during the day. Create beautiful flower pots with these Marvels of Peru! Sold in packs of 10 bulbs in various colours.
Mirabilis jalapa, or Marvel of Peru, is a herbaceous perennial plant in the family Nyctaginaceae, native to dry tropical regions of Central and South America, such as Guatemala, Mexico, Chile, and Peru. It develops a large tuberous black root, which has traditional medicinal uses in various regions of the world.
The Four O'Clock Flower is a herbaceous perennial plant that reaches a height of 70-80cm (28-32in), sometimes more, and occupies a ground area of 40 to 60cm (16 to 24in). It is not very hardy, but its rapid growth allows it to be cultivated as an annual. Under our climates, it disappears in winter, blooms from June to October, but in the tropics, it is perennial and blooms all year round. The funnel-shaped flowers come in different colours including pink, red, yellow, and white. The flowers open in the evening and close the next day when the sun hits them. They emit a sweet fragrance from dusk until the middle of the night. This particular characteristic gave the plant its name Four O'Clock Flower: its fragrant flowers have fluorescent pigments that create patterns on the corolla and attract pollinating sphinx moths. The black fruit appears at the base of the flower once it has fallen. The dichotomous stems are solid, quadrangular, fleshy, green to reddish, thickened at the nodes, and bear opposite ovate or slightly cordate leaves, bright green, lighter on limestone soil and in full sun.
You will plant the Four O'Clock Flower roots upright, with the top covered by 7cm (3in). They are used in flower beds, at the base of east-facing walls, along a path, or near a porch, to be able to enjoy the flowers. They are quite difficult to combine, so they are most often planted in groups to create multicoloured flower beds that bloom for four months. They also grow very well in large, deep pots, taking care of watering and fertilizing. In mild areas, especially by the coast, you can leave the bulbs in the ground. The Four O'Clock Flower can be grown like a dahlia, and its tuber can be overwintered frost-free in a sandy mix.
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Plant habit
Flowering
Foliage
Botanical data
Mirabilis
jalapa
Nyctaginaceae
Four o'clock flower, Marvel of Peru
South America
Planting and care
The Four o'clock flower is an easy plant to grow, provided it is given a sheltered position away from strong winds, sunny or partly shaded, especially if you are growing it in a region where summers are hot. In the sun, the plant will be more floriferous, but the flowers will stay open longer on a plant that is slightly shaded in the afternoon. Under these conditions, it grows very rapidly.
It prefers to grow in light, humus-rich and well-drained soils that stay moist in summer and are close to neutral pH. The more fertile the soil, the more the plant will show significant development.
Growing it in a pot is perfectly possible with a mix of 80% potting soil and 20% garden soil in a deep container.
It is sensitive to overwatering. In regions with cold winters, it should be dug up and the root should be stored frost-free, just like Cannas or dahlias.
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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