Whichever method you choose, don't forget to allow wildflower seeds to form, to ensure a continuation of blooms.
Discover 11 wildflowers to grow in shade, below.
Sweet cicely, Myrrhis odorata, produces clouds of white flowers from May to June. Grow in dappled shade and enjoy the lacy foliage in dishes.
Hemp agrimony (Eupatorium cannabinum) is a majestic, reliable perennial, producing fluffy flowerheads held on tall stems. Grow it in partial shade, in moist soil. Makes an extremely attractive plant for butterflies.
Common spotted orchid
With their luminous pink blooms, red campions are ideal at brightening up shady spots. To encourage more to grow, wait for the seed capsules to ripen, then sprinkle the seeds where you want them to grow.
Foxgloves are garden favourites that are easy to grow, and thrive in shady areas. They'll self-sow readily, but you can also collect and sow foxgloves, then plant them out where you want them to grow.
Betony (Stachys officinalis) has long been used as a herbal remedy to a range of ailments. It's also one of the best plants for bees. Grow it in well-drained soil, in partial shade.
While often avoided due to its vigour, selfheal (Prunella vulgaris) is popular with butterflies and bees, and requires almost no care. It's also edible and can be eaten raw or cooked.
Campanula trachelium are large, native perennials that enjoy partial shade, and are usually found growing on clay soils. Take a look at 10 more flowering plants for clay soils.
Wood sage (Teucrium scorodonia) is a stunning woodland perennial that produces pale green-yellow flowers, similar to those of salvias. Grow it in partial shade, where it'll tolerate most soils.