Encyclopedia - Plants for ponds
Loosestrife
Lysimachia
Location: for most species shade or partial shade is suitable; especially well there grow the spotted loosestrife, the lily-of-the-valley-like loosestrife, and the moneywort loosestrife. Moneywort grows well in sunny sites too, but prefers tree shade. The purple loosestrife requires a well-lit spot.
Soil: not demanding of growing conditions, but on loose, fertile, moist soils they spread faster, forming a dense tuft already within 2–3 years. The spotted, lily-of-the-valley-like and fringed loosestrifes prefer a moderately wet zone, but tolerate waterlogging. Moneywort in shallow water can creep along the bottom to a depth of 10 cm. The common loosestrife can also be planted in water — up to 10 cm deep, while the panicled loosestrife is even better kept submerged at a depth of 10–30 cm.
Care: do not need winter protection. During the summer maintain consistently high soil moisture. For vertically growing loosestrifes, after flowering cut off the faded parts of the stems. In autumn cut the stems to the ground and add compost around the plants. Stems of moneywort are left alone, but compost is also added. They can grow in one place for up to 10 years. The spotted, fringed and especially the panicled loosestrife spread aggressively; the latter is dangerous to let out of the container and must be watched closely. Moneywort creeps along the soil surface; it is weak and easily controlled.
Propagation: by seed and vegetatively. For better seed germination post-sowing stratification for 1–2 months is desirable. Flowering begins in the 2nd–3rd year. Vegetatively propagated by division, pieces of rhizome, basal offsets and cuttings. Division and transplanting can be done in early spring before leaves appear or in early autumn (September). Moneywort is propagated by individual shoots 10–20 cm long, or by already rooted side shoots with a well-developed root system.
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