|Growing Gardenias at howtogrowgardenias.org|
Gardenia jasminoides 'Vetchii' in bloom on my backporch.
Frostproof gardenia variety.
Mystery gardenia variety.
|Yellowing leaves||Alkaline soil or water, chlorosis due to trace element deficiency, underwatering, overwatering, insect pests||Use clean rainwater, distilled water, or add 2 tsp of vinegar/gallon of hard tap water, use acidic fertilizer with chelated trace elements, keep soil evenly moist, check for pests and eliminate|
|Flower buds fall off||Temperature too warm, acclimation, low light, low humidity, underwatering||Lower room temperature, move to brighter area, buy humidifier to increase humidity, keep soil thoroughly moist.|
|Leaves fall off||Environmental or transplant shock, insect pests||Avoid warm and cold drafts and sudden changes in environment.When transplanting gardenias, disturb roots as little as possible. Don't let delicate roots dry out. Keep a spray bottle handy with warm water. Check for pests and eliminate.|
|Malformed buds||Temperature too warm, insect attack||Lower room temperature, check for pests and eliminate|
|Bleached leaves||Light intensity too strong||Avoid hot afternoon sun, increase distance from high intensity lights.|
|Stunted growth||Cramped roots, environmental shock, insect pests||Check rootball, keep growing conditions as stable as possible, inspect plant for pests|
|Brown spots on leaves||Leaf spot disease, Anthracnose||Use neem oil|
Last Updated August 9, 2020
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