My Birchleaf Spirea Bushes Have Browned On The Tips Of The Bushes Only…

Question

The bushes were fine in June and part of July, now I see all the tips browned. The soil feels moist when I touch it so I don’t think they’re dry.

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Answer 1

Unfortunately, this might be due to soils that do not have a chance to dry out between watering. This should dry down to about 3 inches between waterings. Fungicides may be necessary. This article will help:

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm

https://www.gardeningknowhow.com/ornamental/shrubs/spirea/growing-spirea-shrubs.htm