Gardenia jasminoides Crown Jewel - Cape Jasmine
Gardenia jasminoides Crown Jewel - Cape Jasmine
Gardenia jasminoides Crown Jewel
Cape Jasmine, Common Gardenia
I am very disappointed with the Gardenias upon arrival they were very beautiful, but after a few days the leaves dried up, the last young plant remaining, the leaves turned yellow and the buds turned black.
Kimoran, 09/06/2023
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Available in 1 sizes
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This plant carries a 24 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
Gardenia jasminoides 'Crown Jewel' is a magnificent cultivar that produces lovely double flowers with an enchanting fragrance. This gardenia has the unique characteristic of being hardy down to -10° C to 12° C (14° F to 10.4° F)!
This small bush remains evergreen. Its beautiful dark green glossy foliage creates an interesting contrast with the pure white of the flower, which becomes almost dazzling. It is this sparkling effect that undoubtedly inspired its name, "Crown Jewel". The flowering period is spread out from June to September.
The slow growth of 'Crown Jewel', which will not exceed 1 m (3.3 ft) at maturity, makes this bush a perfect candidate for pot cultivation on a terrace. This way, it can be stored indoors during winter in colder regions. A terrace is also the best way to enjoy its charming fragrance. If you choose to plant it in the ground, it is important to select a bright location but avoid direct sunlight during the hottest hours. It is also essential to ensure the soil is kept moist throughout the growing season.
Gardenia jasminoides Crown Jewel - Cape Jasmine in pictures
Plant habit
Flowering
Foliage
Botanical data
Gardenia
jasminoides
Crown Jewel
Rubiaceae
Cape Jasmine, Common Gardenia
Cultivar or hybrid
Planting and care
Plant Gardenia jasminoides 'Crown Jewel' in a partially shaded or sunny bed, but sheltered from the hottest rays of the day. The exposure is important because Gardenia loves warmth (not dryness) and the harsh rays of the sun can burn its foliage. To improve its hardiness by a few degrees, plant it in a sheltered spot from cold and dry winds, ensuring there is no stagnant moisture at its base in winter. On the other hand, it will need plenty of water during summer for its establishment. Therefore, choose a humus-bearing substrate lightened with non-limestone sand, coarse gravel, or clay pellets. In a pot, whether you are in an area with mild winters or not, it is wiser to store it in an unheated conservatory or a cold greenhouse.
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.