Sago palms like acidic soil in the range of 5.5 ... reasons for the plant’s leaves to turn yellow. Applied in moderation, ...

Are the leaves on the plants yellow instead of dark green ... This is a measure of the acidity or alkalinity of the soil. The common term for a soil that is acid (pH below 7) is “sour.” ...

Look for smaller-than-normal leaf development, pale green or yellow leaves ... option for increasing soil acidity because it mimics natural acid production. As aluminum sulfate dissolves, it ...