Horsetail (Equisetum hyemale)
With vertical, leafless stems, the young grow to 1 - 2 ft., 1/8 - 1/4" in diameter.
Mature stems reach 3 - 5 ft., 3/8 - 1/2" in diameter. Grows in continuously moist soil and tolerates full sun to partial shade.
Growth can overcome small gardens. Great for containers, adding an unusual touch to your patio.