Plants Keep Dying In One Area

Question

Ive had several plants die the same way in the same bed/area. I’ve lost 2 x choysia’s, 3 x viburnum, 1 large acer (trunk size about 5″). The bed is irrigated and it is in full sun,i fed npk in the Spring. They all seem to go the same way with the leaves going very brown. This camellia was doing well for 2 years, lovely flowers in Spring and now it looks like this.

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Answer 1

I suggest you start with a soil test and see what the pH is and if any nutrients are lacking, particularly nitrogen, phosphorous, and potassium. Camellias and choisyas need acidic soil to thrive and camellias need part shade. The camellia looks like it may have a pest. Spray the tops and bottoms of the leaves with Neem oil and that should take care of any mites or aphids.

When a plant dies, it is best not to plant the same type of plant in the area in case the disease is something that survives in the soil. Before you plant again, be sure to either solarize the soil first or add lots of organic matter to give the new plant a head start.

Here is more:

https://www.gardeningknowhow.com/plant-problems/environmental/planting-in-old-spaces.htm

https://www.gardeningknowhow.com/plant-problems/disease/anthracnose-disease.htm

https://www.gardeningknowhow.com/garden-how-to/projects/how-to-solarize-garden-beds-to-eliminate-garden-pests-in-the-soil.htm

https://www.gardeningknowhow.com/ornamental/shrubs/choisya/choisya-shrub-care.htm

https://www.gardeningknowhow.com/ornamental/flowers/camellia/caring-for-camellias.htm

https://www.gardeningknowhow.com/ornamental/shrubs/viburnum/viburnum-shrub.htm