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How do I treat moth like pests in cocoons on yellow leaves and buds of my gardenia?

Gardenia plants have yellow leaves and black buds. Moth like pest in cocoon on leaves and buds.

Flowers and Ornamentals • Pests

Hi Peter,

It is not unusual for gardenia leaves to show some yellowing in spring/summer. This plant is a heavy feeder and needs to be supplied with the correct amount of nutrients during its growing season. To begin with you could give it an application of Epsom salts which will help to correct a magnesium deficiency. This will really only needs to be done once a year. Gardenias, however, need to be fertilised regularly while they are putting on new growth and setting flower buds. We would recommend you use Yates Thrive Natural Roses & Flowers Pelletised Plant Food. It's enriched with Dynamic Lifter and has added nitrogen, phosphorus and potassium to give your flowering plants the right balance of nutrients for their growing needs. You will need to control the caterpillars that are attacking the flower buds. You should remove any cocoons that you notice and then spray regularly to control any caterpillars. We would suggest using either Success Ultra or Nature's Way Caterpillar Killer, Dipel to prevent further attack.

From your friends at Yates Gardening



Answered: 29 Nov, 2013

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