Greater Knapweed - Centaurea scabies is big and showy, like a cross between a cornflower and a thistle, with whiskery petals in a whorl. It is a valuable nectar source for insects and a favourite flower of butterflies, including the Marbled White and Dark Green Fritillary. It also has therapeutic properties, and was once used in skin ointments to heal wounds and infections. Centaurea scabiosa is a truly outstanding wild flower which outshines many cultivated plants.
Providing the right plants in your garden is essential if you want to attract and support the widest variety of wildlife to your patch. Growing wild flowers from seed can be a little challenging but there are lots of things you can do to make it a little easier. Native wild flowers are an integral part
The rosemary beetle, berberis sawfly, scarlet lily beetle and the hemerocallis (day lily) gall midge have spread nationwide, destroying herbs, flowers and shrubs. Now Royal Horticultural Society chiefs are urging gardeners to look out for the insects.