Description
Gardenia jasminoides 'Jupiter' is an evergreen shrub resulting from a cross between 'Buttons' and 'Magnifica' cultivars. It features glossy, dark green leaves and produces highly fragrant, double white flowers from late spring to early summer (Kambarang to Birak), with potential for additional blooming in autumn (Djeran). This compact shrub reaches a height of 1 to 1.5 metres and a width of 70 centimetres to 1 metre, making it suitable for garden beds, borders, or container planting. Its intoxicating fragrance and attractive foliage make it a standout addition to any garden.
In Perth's climate, 'Jupiter' thrives in full sun to part shade, with some protection from the harsh afternoon sun during summer. Plant it in well-drained, acidic soil; incorporating an acidic mix or using a gardenia-specific potting mix is beneficial. Regular watering during warmer months is essential to maintain soil moisture, but ensure the soil is not waterlogged. Mulching can help retain moisture and regulate soil temperature. Feeding with a balanced, acidic fertiliser fortnightly during the growing season will promote healthy growth and abundant flowering. Prune lightly after the main flowering period to maintain shape and encourage new growth. Protect the plant from frost during cooler months.
| Botanical Name | Gardenia jasminoides 'Buttons' x 'Magnifica' |
| Common Name | Cape Jasmine |
| Cultivar | Jupiter |
|
Classification |
Gardenias |
| PBR Name | Parjup |
| Origin | South-east Asia |
| Foliage | Evergreen |
| Height | 1 - 1.5 M |
| Width | 70 cm - 1 M |
| Light | Full sun to part shade. Will perform better in shade in summer. |
| Soil | Prefers acidic soil. Blend an acidic mix into the soil prior to planting, or plant into a gardenia potting mix if putting in a pot. |
| Water Requirement | Water regularly through warm weather for best results. |
| Lifespan | Perennial |
| Flower Colour | White |
| Flower Time | Kambarang (Mid Spring) - Birak (Early Summer). Can flower in Djeran (Autumn) |
| Toxicity | Non-toxic to humans. Moderately toxic to dogs, cats and horses. Particularly the berries. |
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Information is intended as a guide only.
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