Do I have to report Aster yellows?

No. Aster yellows is not a notifiable organism, so there is nothing to report to an authority. Treat it as a normal garden problem.

How is Aster yellows treated?

Mainly with biological and cultural measures — removing affected material, changing the conditions that favour it, and treating with agents approved in your country. The exact steps and their timing depend on the plant, the season and where you live: Dr. Phyto works them out in a free diagnosis.

Dr. Phyto

Aster yellows

Candidatus Phytoplasma asteris

Symptoms

General yellowing and stunting, upright secondary shoots (witches' broom), green and deformed flowers (virescence and phyllody), and distorted, sterile flower heads; symptoms are systemic and progressive with no recovery.

Plants affected

Treatment

Dr. Phyto builds a dated, step-by-step treatment plan with country-approved products — start a free diagnosis to get yours.

Common questions

How do I recognise Aster yellows on Purple coneflower?: General yellowing and stunting, upright secondary shoots (witches' broom), green and deformed flowers (virescence and phyllody), and distorted, sterile flower heads; symptoms are systemic and progressive with no recovery.
Do I have to report Aster yellows?: No. Aster yellows is not a notifiable organism, so there is nothing to report to an authority. Treat it as a normal garden problem.
How is Aster yellows treated?: Mainly with biological and cultural measures — removing affected material, changing the conditions that favour it, and treating with agents approved in your country. The exact steps and their timing depend on the plant, the season and where you live: Dr. Phyto works them out in a free diagnosis.

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