Lysimachia punctata ‘Alexander’
L. punctat – Whorles loosestrife – Golden Loosestrife – Garden Loosestrife – This vigorous, erect, rhizomatous, softly hairy herbaceous perennial found from Central and Southern Europe to Turkey grows 3′ feet tall and 2′ feet wide. It produces opposite or whorled, elliptic to lance shaped, mid green leaves, to 3″ long. In mid and late summer it bears whorls of starry shaped yellow flowers, to 1″ across. May become invasive.
Grow in humus rich, preferably moist but well drained soil that does not dry out in summer, in full sun or partial shade. Tall species may need support. Divide in spring or autumn.