Rosella Flowers Dropping Off

Question

My Rosella plants are flowering, opening and closing for a few days now, but suddenly in the morning I see the flowers are on the ground. The plant is a couple of metres high and looks healthy, no drooping leaves and plenty of buds. Any thoughts please?

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Answer 1

Make sure it is getting plenty of sun. Also check for insects that favor buds such as thrips, mites, or lace bugs. Bud blast can occur with environmental problems like temperature extremes or improper watering. These articles should help:

https://gardeningsolutions.ifas.ufl.edu/plants/edibles/vegetables/roselle.html
https://www.gardeningknowhow.com/plant-problems/environmental/bud-blast-in-flowers.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm