Troubleshooting
Broad-Leaved Lime problems — and how to fix them
Broad-Leaved Lime (Tilia platyphyllos) 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.
Linden aphid and honeydew
Heavily susceptible to aphid colonies on new growth, producing sticky honeydew and sooty mould. Monitor from late spring; wash off colonies with a strong water jet or apply insecticidal soap before populations peak.
Basal suckering
Produces prolific root suckers around the trunk base that, if left, develop into thickets. Remove suckers by pulling or cutting flush with the root when they appear in spring and summer.
Powdery mildew
White fungal coating on leaves in warm, dry summers with cool nights. Improve air circulation by pruning congested growth; severe cases respond to systemic fungicide application.
Prevent broad-leaved lime problems before they start
Most broad-leaved lime issues are care-mismatch, not bad luck. Dial in the basics:
Broad-Leaved Lime problems — FAQ
Why is my broad-leaved lime linden aphid and honeydew?
Heavily susceptible to aphid colonies on new growth, producing sticky honeydew and sooty mould. Monitor from late spring; wash off colonies with a strong water jet or apply insecticidal soap before populations peak.
Why is my broad-leaved lime basal suckering?
Produces prolific root suckers around the trunk base that, if left, develop into thickets. Remove suckers by pulling or cutting flush with the root when they appear in spring and summer.
Why is my broad-leaved lime powdery mildew?
White fungal coating on leaves in warm, dry summers with cool nights. Improve air circulation by pruning congested growth; severe cases respond to systemic fungicide application.