Have a hedge of Gardena magnifica. Half the hedge is vibrant but the other half is not.

Photos attached.All; the hedge faces the same way , in same soil

Flowers and Ornamentals • Plants

If you've been fertilising them regularly, it's likely that the soil pH in this area is incorrect - Gardenias are acid-loving plants so do best in soils with pH = 5.5 - 6.5. See more here:

https://www.yates.com.au/plants/problem-solver/other/the-importance-of-soil-ph/

Once the pH has been checked and corrected, fertilise well with a flowering plant food such as Thrive Roses & Flowers pellets:

https://www.yates.com.au/product/garden-fertilisers/organic-based/yates-thrive-natural-roses-flowers-organic-based-pelletised-plant-food/

https://www.yates.com.au/plants/flowers-and-ornamentals/gardenia/how-to-grow-gardenia/

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Answered: 16 Nov, 2020

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