Troubleshooting
Spiny Germander problems — and how to fix them
Spiny Germander (Teucrium subspinosum) is generally low-drama, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Winter rot in wet soils
Being an island Mediterranean endemic, this species is especially susceptible to crown and root rot in cold, wet UK winters; grow in a raised scree bed or alpine house in wet regions.
Aphid infestations on new growth
Young, soft shoot tips in spring may attract aphids; check plants regularly and treat with an appropriate insecticidal soap or encourage natural predators such as ladybirds.
Prevent spiny germander problems before they start
Most spiny germander issues are care-mismatch, not bad luck. Dial in the basics:
Spiny Germander problems — FAQ
Why is my spiny germander winter rot in wet soils?
Being an island Mediterranean endemic, this species is especially susceptible to crown and root rot in cold, wet UK winters; grow in a raised scree bed or alpine house in wet regions.
Why is my spiny germander aphid infestations on new growth?
Young, soft shoot tips in spring may attract aphids; check plants regularly and treat with an appropriate insecticidal soap or encourage natural predators such as ladybirds.