Troubleshooting
Echinacea 'Sunset' problems — and how to fix them
Echinacea 'Sunset' (Echinacea 'Sunset') is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Aster yellows
Causes distorted flowers and abnormal foliage. Remove infected plants promptly; no cure exists.
Powdery mildew
May appear on lower foliage in late summer. Remove affected leaves and ensure good air circulation.
Crown rot
Poor drainage in winter is the main cause. Ensure the planting site drains freely.
Vine weevil in containers
Apply nematodes in late summer to combat larvae.
Aphids on new growth
Treat with insecticidal soap at first sign of infestation.
Prevent echinacea 'sunset' problems before they start
Most echinacea 'sunset' issues are care-mismatch, not bad luck. Dial in the basics:
Echinacea 'Sunset' problems — FAQ
Why is my echinacea 'sunset' aster yellows?
Causes distorted flowers and abnormal foliage. Remove infected plants promptly; no cure exists.
Why is my echinacea 'sunset' powdery mildew?
May appear on lower foliage in late summer. Remove affected leaves and ensure good air circulation.
Why is my echinacea 'sunset' crown rot?
Poor drainage in winter is the main cause. Ensure the planting site drains freely.
Why is my echinacea 'sunset' vine weevil in containers?
Apply nematodes in late summer to combat larvae.
Why is my echinacea 'sunset' aphids on new growth?
Treat with insecticidal soap at first sign of infestation.