More Online Information
The following are for general information, research and ideas. Some species or cultivars referred to in links may be unavailable in Australia. Some pests and diseases and/or control options might not be applicable here.
by Joan Bradshaw, University of Florida, USA
Clemson University, South Carolina
Royal Horticultural Society, UKGardenia
Royal Horticultural Society, UK
Reproduction of Home and Garden Bulletin 152, USDA, 1968. Revised October 1975. U.S. Department of Agriculture (PDF)
Document concentrates on pests and diseases. University of Florida (PDF)
Gardenia 'Grandiflora Star'
At "Grow Me Instead" (an Australian website informing gardeners about safer alternatives to invasive ornamentals)
Propagation and commercial production
Other Gardenia species
Tahitian gardenia. Kauai Community College, Hawaii
Meet the Plants
Pacific flora database of the National Tropical Botanical Garden, USA
Gardenia buds, (Late October 2012, Sunnybank Hills, Brisbane)
Gardenia flowers, (November 2012, Eight Mile Plains, Brisbane)
Gardenia as a hedge in December. Although this is the main flowering season, there are bew blossoms. Prior pruning has removed most of the buds. (December 2012, Sunnybank, Brisbane)
Gardenia , (November 2012, Sunnybank Hills, Brisbane). Note browning of petals on blossoms on the left, possibly due to thrips
Here damage restricted to outer petals, (November 2012, Sunnybank Hills, Brisbane).
Older bloom yellowing with age, with more extensive browning on petal edges, (November 2012, Sunnybank Hills, Brisbane)