Hypericum tetrapterum
square-stalked St John's wort
An erect perennial with square stems, winged at the corners, is a delightful presence in late summer to early autumn, adorned with domed clusters of sunny yellow flowers, each measuring up to 1cm (0.5in) across.
A British native, Hypericum tetrapterum is a common sight in damp grasslands, embracing its role as a native and bee-friendly perennial. With stout stems showcasing four winged ridges, this medium-height grassland wildflower thrives in fertile damp or wet soils. Its habitat repertoire includes meadows, ditches, marshes, and the verdant banks of ponds and rivers, making it a versatile and attractive addition to various wet-footed landscapes.
A British native, Hypericum tetrapterum is a common sight in damp grasslands, embracing its role as a native and bee-friendly perennial. With stout stems showcasing four winged ridges, this medium-height grassland wildflower thrives in fertile damp or wet soils. Its habitat repertoire includes meadows, ditches, marshes, and the verdant banks of ponds and rivers, making it a versatile and attractive addition to various wet-footed landscapes.
How to care for Hypericum tetrapterum:
Plant out in reliably moist or boggy soil, or pot up into a pond basket and place at the margins of a pond in shallow water no deeper than 5cm (2in). A low maintenance plant, cut back foliage to ground/water level at the end of the year. Divide congested clumps in early spring every few years.
Flowering period:
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Eventual height:
0.3m
Eventual spread:
0.5m
Position:
Full sun / light shade
Rate of growth:
Average
Soil:
Aquatic / Reliably damp or boggy
Hardiness:
Fully hardy
-
This pond plant dies right back in autumn, then fresh new growth appears again in spring.
3 × 9cm pots
£27.99
£9.33 each
available to order from summer
Unavailable
1 litre aquatic pot
£21.99
available to order from summer
Unavailable
3 × 1 litre aquatic pots
£39.99
£13.33 each
available to order from summer
Unavailable
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