Gardenias
Gardenias are one of the most popular exotic flowers. Gardenias are very fragrant creamy-white flowers and glossy, dark-green leaves. Gardenias are waxy, white and very fragrant flowers.
Gardenias are native to the tropical and subtropical regions of Africa, southern Asia, Australasia and Oceania.
- Kingdom
- Plantae
- Division
- Magnoliophyta
- Class
- Magnoliopsida
- Order
- Gentianales
- Family
- Rubiaceae
- Genus
- Gardenia
Gardenias flowers are solitary or in small clusters, white or pale yellow. The gardenia flowers are with a tubular-based corolla with 5-12 lobes petals from 5-12 cm diameter.
Gardenias flowers from about mid-spring to mid-summer, i.e., May through July. Many of the gardenia species are strongly scented.
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Facts About Gardenias
- Gardenias are evergreen shrubs and small trees growing to 1-15 m tall.
- The Gardenia plant leaves are opposite or in whorls of three or four.
- The leaves are dark green and glossy 5-50 cm long and 3-25 cm broad, with a leathery texture.
- The leaves are simple, entire, hairless, with wavy margin.
- Gardenias are grown for their beautiful foliage and they make great cut flowers.
- The genus Gardenia is named after Alexander Garden, a physician in Charleston of South Carolina.
- Gardenias can be used as screens, hedges, borders or ground covers.
- The most popular cultivated species is the Cape jasmine, native to China.
- Each gardenia flower is followed by 6-sided berries of rich orange-red with long, elegant stems.
- Gardenia thunbergia produces a woody fruit which has hard, angular seeds inside.
Growing Gardenias
- Gardenia plants need high humidity.
- A loose, well-drained organic soil is recommended.
- For best results plant gardenias in full sun, partial shade, or shifting shade.
- Dig a hole twice the size of the root ball.
- Thoroughly mix one part soil and one part planting mix.
- Check that the top of the original root ball is slightly above the level of the surrounding soil.
- Take the soil mixture and make a gentle mound of soil sloping away from the plant.
- Water drains away from the trunk.
- Remove any air pockets, if present.
- Water the plant with a root stimulator.
Gardenia Care
- Do not overwater gardenias.
- Fertilize with an acid fertilizer.
- Check for aphids, mealybugs, spider mites, thrips and scales.
- Also check gardenia plants, as the main problem is bud drop.
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