AbstractShort‐term uptake tests (48 hr) disclosed that increasing levels of Ca in solution cultures decreased both Sr and Ba uptake by bush beans and decreased the proportions of them remaining in roots compared with that transported to leaves. Barium uptake was greater than Sr, and the concentration of both of these elements was highest in roots and lowest in leaves. Calcium accumulation was highest in stems and lowest in leaves. Uptake of Sr and Ba by roots showed little temperature dependency, but long‐distance transport to shoots was temperature dependent as is known for Ca. Strontium and Ca and also Ba to a lesser extent served as stable‐element carriers for transport of Sr85 isotope into bush beans, but Mg did not. A level of 10‐2M Ba in nutrient solution was toxic to the plants; that which was transferred to shoots killed the leaves. Its effect on permeability resulted in large transfer of Sr85 to shoots. Long‐term uptake tests (90 days) with tobacco grown in solution culture disclosed that Ca accumulated more in leaves while Sr and Ba accumulated more in roots. Two desert‐plant species, Lycium andersonii and Lycium pallidum, showed interesting differences in their accumulation of these elements. L. andersonii tended to concentrate Ca in leaves, but Ba was concentrated in roots with Sr equally divided between roots and leaves. L. pallidum concentrated all three of these cations more in roots than in leaves.