About
Lysimachia thyrsiflora, the tufted loosestrife, is a native perennial wildflower found in Yorkshire and central Scotland. Spreading rhizomes produce upright stems to 60 cm with narrow, paired leaves and small, yellow, star-shaped flowers in dense, fluffy clusters in summer. A rewarding plant for a moist border, bog garden or pond margin.
About the genus
Lysimachia, the loosestrifes, are herbaceous or evergreen perennials with simple leaves and star-shaped, cupped or bowl-shaped flowers in terminal racemes or panicles or solitary in leaf-axils. Popular ornamental plants for borders, pond margins and ground-cover.
Growing conditions
SunlightFull sun, Partial shade
Soil typeClay, Loam
Soil pHAcid, Alkaline, Neutral
Soil moisturePoorly-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeBogs, Herbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.5-1 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesHerbaceous borders, cottage gardens, cutting.
Native toNE Asia
Care notes
CultivationNaturally found in marshes, ditches and canals, needing permanently moist soil in a sunny or partially shaded spot
PruningNo pruning required. Can be cut back at the end of the season
PropagationPropagate by division
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free