One of the most lovely perennials you could add to such a garden is a swamp milkweed look-alike — sweet Joe-Pye weed (Eutrochium purpureum). This plant blooms with mauve, fragrant flowers from ...
The trust says it is removing about 70 tonnes of the floating weed each week to ensure the "thick carpet" it creates does not harm aquatic wildlife. If left to thrive, thousands of tiny plants can ...