Hippeastrum Rio Negro - Amaryllis
Hippeastrum Rio Negro - Amaryllis
Hippeastrum Rio Negro
Amaryllis, Knight's-star-lily
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Description
Amaryllis or Hippeastrum Rio Negro is a bulbous plant intended for indoor cultivation that offers astonishing flowers with dark red petals, finely veined with white and a base adorned with kiwi green: an exotic and refined beauty, welcome in the heart of winter.
Belonging to the Amaryllidaceae family and originating from the tropical and subtropical regions of Central and South America, Hippeastrum is not at all hardy, and cannot be grown outdoors in our climate. Enjoy it indoors (or in a heated conservatory), while the garden is still asleep.
Amaryllis is a plant with a large bulb whose big and elegant flowers resemble those of the lily. They are usually grouped in fours at the top of a strong main stem, which is 30 to 50 cm (12 to 20in) tall and adorned with long green leaves, in narrow strips.
Its flowering occurs from December to April, 6 to 8 weeks after planting. It depends on the temperature of the room in which the Amaryllis is placed: always in a well-lit location, you will keep the pot in a heated room to accelerate its flowering or in a cooler room, around 10°C (50°F), to slow it down.
Did you know? The Latin name “Amaryllis” was the subject of heated discussions among botanists: originally, this name actually referred to another plant, similar in appearance and native to South Africa: the Amaryllis belladonna. When Carl von Linne used this name to refer to it, as well as to the Hippeastrum (are you still following?), there was an outcry and the battle raged until 1987 when the botanists settled the matter: the Latin name Amaryllis is retained for the African species Belladonna but must no longer be used as the Latin name for Hippeastrum.
Hippeastrum Rio Negro - Amaryllis in pictures
Plant habit
Flowering
Foliage
Botanical data
Hippeastrum
Rio Negro
Amaryllidaceae
Amaryllis, Knight's-star-lily
Cultivar or hybrid
Other Hippeastrum - Amaryllis
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Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Planting and care
How to plant my Amaryllis?
You can plant Amaryllis bulbs from October to the end of April. Choose a pot that is not too big,1-2cm (1in) larger than the size of the bulb. Place a layer of drainage at the bottom. Mix half potting compost, half garden soil. Only bury the bulb halfway. Place the pot in a warm and bright location. Water sparingly until the stem appears. Then water daily. 6 to 8 weeks later, your bulbs will flower. Our advice: if you choose multiple bulbs, plant them with a two-week interval to enjoy the beauty of Amaryllis all winter.
How to make my Amaryllis flower again? After flowering, remove the faded flowers and let the leaves develop. Continue to water regularly and give them indoor plant fertiliser every 15 days. This is when the bulb replenishes itself to prepare for next year's flowers. After 4 to 6 months, forget about your potted plants, let them rest for about 3 months in a sheltered place. You can then remove the faded leaves, repot in fresh soil, and start a new growing cycle.
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).
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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.