A Gardenia plant has beautiful, scented, waxy, white flowers and glossy, green leaves, but are very temperamental plants and won’t put up with neglect. A gardenia plant requires very specific growing conditions such as light, humidity, and temperature. Native to Japan and China, these plants are usually seen as outdoor evergreen bushes on the southern and western coasts of the United States. The key to successfully growing a Gardenia plant indoors is to try to mimic the outdoor environment as closely as possible. Although it is quite a challenge and an accomplishment to grow a gardenia plant indoors, it is a flowering plant like none other. The jasmine fragrance of the flowers has inspired hundreds of perfumes. Before sending a gardenia plant as a gift, be sure the person you’re sending it to has the time to care for it and the proper environment, otherwise they will just be frustrated as the plant gradually dies.
Bud drop is a common problem with Gardenia Houseplants. There are several reasons why your Gardenia Plant is losing buds and leaves: lack of humidity, over or under watering, lack of light, and cold drafts. Start by increasing the light. If this doesn’t help stop the buds and leaves from falling off your gardenia plant, work your way through the other possible causes.
You should never touch the flowers on a Gardenia plant because it will cause brown blemishes. Look and smell, but do not touch the flowers! Gardenia plants like very bright light, but intense direct sun, magnified by the glass in a window, may burn the flowers.
The new leaves on your gardenia plant are smaller because the plant is not getting enough light or enough plant food.
There are several things you need to do in order to get a gardenia plant to flower. Prune old woody stems to encourage new growth. Put a gardenia plant in very bright light for most of the day. Temperatures need to be around 70°F (21.1°C) during the day and around 60°-65°F (15.6°-18.3°C) at night to set the buds.
Gardenia plants get usually get yellow leaves when they are not properly fertilized. Feed a gardenia plant with a plant food specifically made for acid loving plants. You can also pour some tea or very dilute vinegar into the soil once a month to increase the acidity in the soil. Be careful not to over-water, soil that stays wet all of the time also causes yellow leaves.