Protea cynaroides
Protea cynaroides
Protea cynaroides
King Protea, Giant Protea
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Description
The king protea, in Latin Protea cynaroides, is the floral emblem of South Africa. It is a delicate, but spectacular and fascinating perennial shrub. This botanical species produces floral heads in the shape of large flared cups, formed by pink and velvety bracts surrounding a heart of powdery pink flowers with white. Flowering takes place from April to October, depending on the climate, and the flowers are very long-lasting in dried bouquets. Cultivation in large pots is essential except in very mild areas.
The king protea is a perennial shrub of the protea family. Widely distributed in South Africa, it varies in colour and shape, adapting to many mountain environments without frost. The plant, with sucker roots, develops multiple thick stems, branching from the base. It will reach between 40 cm and 1.20 m in height, and will slowly spread over time. The stems bear, at the end of long red petioles, alternate, elongated and pointed, leathery leaves, which can absorb atmospheric moisture. Flowering takes place from April to October. The inflorescences are large heads, carried at the terminal part of each branch. They measure 12 to 30 cm in diameter. Mature and well-established plants are capable of producing up to ten heads per season. The flower buds resemble magnificent artichokes with pearly scales. The head opens and the bright pink and velvety bracts unfold to a velvety, white to pink, powdery plateau. This flowering attracts many pollinating insects and gives way to some velvety seeds almost as large as walnuts. The thick roots of this protea also serve as a storage organ. In case of fire, it is capable of regenerating from its roots, nourished by its own ashes.
Protea cynaroides is a mythical plant that leaves no one indifferent. It will prefer to settle in coastal gardens spared by heavy frost, in light, slightly acidic soil. It is particularly suited to the Mediterranean climate and thrives in poor, dry to arid soils. It can be planted as a solitary specimen, on large slopes or in the background of flower beds, in a dry garden, but always in an open position, in full sun. In an exotic garden, it can be associated with the Pride of Madeira, Leucadendrons, and Melianthus major, for example.
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Protea cynaroides in pictures
Plant habit
Flowering
Foliage
Botanical data
Protea
cynaroides
Proteaceae
King Protea, Giant Protea
Leucadendron cynaroides
South Africa
Planting and care
A Protea is best planted in full sun, it needs a warm and bright location. Ideally, it should receive at least 6 hours of direct sunlight per day. The soil should be poor in organic matter. Avoid rich and humus-bearing substrates, as well as heavy and clayey soils. Ideally, the pH should be between 5.5 and 6.5. We recommend adding a little ash or charcoal to the planting soil.
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).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
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 planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
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.