Potters Blog


Nitrogen

Entire plant is light in colour; lower leaves are yellow;growth is stunted.


Phosphorous

Entire plant is bluish-green often developing a red or purplish cast; lower leaves may be yellow, drying to a greenish-brown to black colour; growth may be stunted.


Potassium

Leaves have a papery appearance; dead areas along the edges of the leaves; growth is stunted.


Magnesium

Lower leaves turn yellow along the tips and margin and between the veins; the lower leaves wilt.


Calcium

Young stems and new leaves die


Zinc

Leaf tissue between the veins is lighter in colour; yellowed;papery in appearance .


Iron

leaf tissue appears yellow, while the veins remain green.


Copper

Leaf edges appear dark green or blue; Leaf edges curl upward; young leaves permanently wilt.


Sulfur

Young leaves turn pale green, while the older leaves remain green; plant is stunted and spindly.


Maganese

Leaves are stunted; lower leaves have a checkered pattern of yellow and green.


Molybdenum

Leaves are stunted; pale green and malformed.


Boron

young leaves are scorched at tips and margins.