Yellow New Leaves, Green Veins? (Iron Deficiency)
Iron hits newest growth first—yellow between veins while veins stay green.
Iron deficiency cannabis? Yellow new growth with green veins—see causes and analyze fast.
Common Causes
- High pH blocking Fe
- Excess phosphorus
- Cold/wet roots
- Overliming soil
How to Tell Which One You Have
Top leaves interveinal yellowing; lower leaves stay green.
FAQ
Chelated iron?
Can help short term; fix pH/root health.
pH target?
6.0–6.5 soil; 5.7–6.1 coco.
Is this Mg?
Mg hits older leaves; iron hits newest.