Troubleshooting
Garlic problems — and how to fix them
Garlic (Allium sativum) 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.
Yellow leaves
Normal as bulbs mature; if early, suspect waterlogging.
Full garlic yellow leaves diagnosis →Brown leaf spots
Rust or purple blotch.
Full garlic brown leaf spots diagnosis →No growth in spring
Cloves planted too shallow or insufficient cold period.
Full garlic no growth in spring diagnosis →Small bulbs
Bulbs were planted too late, in poor soil, or with too much competition.
Prevent garlic problems before they start
Most garlic issues are care-mismatch, not bad luck. Dial in the basics:
Garlic problems — FAQ
Why is my garlic yellow leaves?
Normal as bulbs mature; if early, suspect waterlogging.
Why is my garlic brown leaf spots?
Rust or purple blotch.
Why is my garlic no growth in spring?
Cloves planted too shallow or insufficient cold period.
Why is my garlic small bulbs?
Bulbs were planted too late, in poor soil, or with too much competition.