Why do my gardenias have NO smell
According to aspca.org, gardenias ARE toxic.
Depending on the climate, gardenias bloom from mid -spring to mid-summer.
Yes, you can definitely learn to plant garden style coverings for your deck. Start with large, fragrant trees and shrubs, like lilacs or gardenias. They can grow up and around to create the look of a barrier between your deck and the outside world. Try plants that have vines, and have them grow up a trellis at the edge of your deck as well.
Gardenias are native to the tropical and subtropical regions of most continents. They grow in Africa, southern Asia and in Oceania and Australia but are not native on the American continent. The gardenia genus belongs to the coffee family.
Gardenias are best pruned just after they have finished flowering. Leaving it too much later than this affects the number of blooms in the following season.
Gardenias should not be directly in the sun. They grow best when the daily temperature is in the 70s. http://www.ehow.com/how_4471332_care-gardenia-tree.html
They need sunlight to grow...outside.
Gardenias are sensitive to cold. Since 30 degrees is 2 degrees below freezing, gardenias would need to be covered.
Gardenias are in the Rubiaceae family.
Gardenias are widely used as exotic ornamental flowers in corsages, as houseplants and as outdoor plants. A yellow silk dye has been made for centuries from the gardenia berry.
Yes gardenias are native to Hawaii. They are called nanu or na'u. Unfortunately the wild gardenias are almost extinct. http://hawaiianforest.com/gardenia-tree-at-kanepuu-preserve