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Collector's item

Protea cynaroides White Crown

Protea cynaroides White Crown
Protée royale

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Miniature royal protea variety, ideal for pot cultivation! This bush, not very hardy, is truly fascinating and will make the pride of gardeners who love challenges. The 10 cm (4in) diameter flower heads resemble artichokes, with flared cups composed of a central cone of white, powdery stamens surrounded by large cream-white bracts. Flowering occurs from January to August, depending on the climate. Attention, proteas are technically demanding plants reserved for expert gardeners. They have complicated cultivation requirements to meet (soil type, drainage, and climate).
Flower size
10 cm
Height at maturity
50 cm
Spread at maturity
50 cm
Exposure
Sun
Hardiness
Hardy down to -4°C
Soil moisture
Dry soil
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Best planting time March
Recommended planting time March to May
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Flowering time February to August
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Description

The Protea 'White Crown' is a variety of royal protea with exceptionally compact growth; it rarely exceeds 50 cm (20in) in all directions at maturity. Of great ornamental value, growing this variety, like all proteas, requires a certain know-how. This truly fascinating bush will delight amateur gardeners who love challenges. The flower heads measure approximately 10 cm (4in) in diameter; with their flared cup shape, they resemble fully bloomed large artichokes. Their cream-white colour harmonizes with the beautiful evergreen emerald foliage. The flowering, which occurs from January to August depending on the climate, is long-lasting in dried bouquets. Hardy down to -5°C, this miniature variety is very suitable for pot cultivation outside the mildest areas of our country. This not only allows for controlling the composition of the growing substrate, but also for storing the plant as soon as the first frosts occur.

 

The Protea cynaroides is a botanical species widely spread in South Africa, variable in terms of colour and shape, adapting to many mountainous environments. This perennial shrub plant of the proteaceae family is native to the Cape region in South Africa. Strange in every way, proteaceae often require fire to germinate their seeds.

'White Crown' develops multiple thick, ramified stems from the base and suckers. It will reach an average height of 50 cm (20in) with an equal spread, slowly spreading over time. Its alternate, elongated, and pointed leaves are leathery and have the ability to absorb atmospheric moisture. Flowering takes place from February to August, or even longer depending on the climate. The inflorescences are large heads, carried at the terminal part of each branch. They measure 10 cm (4in) in diameter. Mature and well-established plants can produce up to ten heads per season. The flower buds resemble magnificent artichokes with pearly scales. The head opens up, and the cream-white bracts reveal a powdery white velvety cone. The flowering attracts numerous pollinating insects and gives way to some seeds almost as big as walnuts, velvety. The thick roots of this plant also serve as a storage organ. In case of fire, the protea is capable of regenerating from its roots, nourished by its own ashes.

 

The 'White Crown' protea is a sensational plant that leaves no one indifferent. It will preferably thrive in coastal gardens spared from severe frosts, in light, poor, and not too chalky soil. Particularly well-suited to the Mediterranean climate, it tolerates poor, dry to arid soils. This dwarf variety will be magnificent planted as a border, in a dry rockery, and of course in a pot on a terrace, but always in an open position, in full sun. In an exotic garden, it can be associated with the Canary or Madeira Viper's Bugloss, Puya, Euphorbia characias, Euphorbia mellifera, Giant Fennel, Leucadendron, Melianthus major, palm trees (Trachicarpus fortunei, Sabal minor), or hybrid mulleins.

Protea cynaroides White Crown in pictures

Protea cynaroides White Crown (Flowering) Flowering

Plant habit

Height at maturity 50 cm
Spread at maturity 50 cm
Habit Irregular, bushy
Growth rate normal

Flowering

Flower colour white
Flowering time February to August
Inflorescence Flower head
Flower size 10 cm
Bee-friendly Attracts pollinators
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Evergreen
Foliage colour green

Botanical data

Genus

Protea

Species

cynaroides

Cultivar

White Crown

Family

Proteaceae

Other common names

Protée royale

Origin

Cultivar or hybrid

Product reference870751

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Planting and care

Plant 'White Crown' protea preferably in spring, or in autumn in mild climates, in a very sunny and sheltered location. This plant requires a light, well-drained, poor, mineral soil with an acidic tendency. A mixture of leaf compost, a little heath soil, and coarse river sand seems appropriate. Proteas are sensitive to excess phosphates and nitrates, so it is necessary to avoid using too much fertilizer. While adult plants tolerate occasional frosts of around -6°C (21.2°F) in dry soil, young proteas should be protected from frost during their first few years, either in a frost-free area in cool climates or under winter cover in regions with mild winters. This plant flowers after approximately 4 to 5 years of cultivation from sowing. For indoor cultivation, it is important to ensure good ventilation in the room and to avoid watering with hard water.

Planting period

Best planting time March
Recommended planting time March to May

Intended location

Suitable for Meadow, Rockery
Type of use Border, Edge of border, Container, Conservatory
Hardiness Hardy down to -4°C (USDA zone 9b) Show map
Ease of cultivation Experienced
Planting density 1 per m2
Exposure Sun
Soil pH Acidic, Neutral
Soil type Stony (poor and well-drained)
Soil moisture Dry soil, poor, sandy, light, well-draining

Care

Pruning instructions To maintain a dense and ramified habit, prune the tips of the branches at the start of the growing season.
Pruning Pruning recommended once a year
Pruning time February to March
Soil moisture Dry soil
Disease resistance Good
Overwinter Needs to be stored

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