top of page
More Coming Soon!
New Update Every Friday By 5pm CST
Sulfur Deficiency
Have Photos?
Photos Coming Soon
A sulfur deficiency in plants is a relatively uncommon occurrence. It becomes evident through a condition known as all-over chlorosis, which refers to the yellowing of leaves. Initially, the newer leaves are affected, often resembling symptoms of a nitrogen deficiency. However, there are distinct differences that set sulfur deficiency apart. Notably, the discoloration may progress to a pinkish red or orange hue on the undersides of leaves. Additionally, the buds on flowering plants might begin to wither. Unlike most deficiencies that cause leaf yellowing starting from the tips, sulfur deficiency starts at the back of the leaf and gradually moves forward.
Cause of Issue
◉ Low soil sulfur content: In cases where the soil lacks sufficient sulfur, plants may struggle to acquire an adequate supply of this essential nutrient.
◉ High pH levels: When the pH of the growing medium is too high, sulfur may become unavailable for absorption by the plant's roots, leading to a deficiency.
Symptoms
◉ All-over chlorosis: The leaves of the affected plant exhibit a general yellowing, which can be observed throughout the plant rather than being confined to specific areas. This chlorosis often starts with the newer leaves.
◉ Pinkish red or orange discoloration: The undersides of leaves may develop a pinkish red or orange coloration, providing a distinct visual indication of a sulfur deficiency.
◉ Bud deterioration: In flowering plants, the buds may begin to wither and show signs of poor development or even die off.
Corrective Actions
◉ pH adjustment: Check the pH levels of your growing medium and ensure they are within the optimal range for sulfur availability. Adjust the pH if necessary, aiming for a slightly acidic to neutral range (around 6.0-7.0).
◉ Sulfur supplementation: If the deficiency persists, you can provide sulfur to your plants through suitable amendments or fertilizers containing sulfur compounds. Consult with a gardening expert or refer to product labels for appropriate application instructions.
◉ Observational patience: Since sulfur moves relatively slowly within plants, it may take several days after implementing corrective measures before noticeable improvements occur. Be patient and monitor the plant's progress over time.
◉ Remember, this information is intended for educational purposes and general guidance. Individual plant requirements and environmental factors may vary, so it's advisable to consult with horticultural experts or experienced growers for personalized recommendations.
bottom of page