With its small nodding bell-shaped flowers, and a sweet perfume, Lilly of the Valley is a beautiful ground cover, but be aware that all parts are highly poisonous.
The foxglove produces stunning towers blooms with beautiful cascading flower bells that come in an array of colours. The brightly-coloured flowers that are tubular hold lots of nectar, which is particularly attractive to bees, butterflies and hummingbirds. Be careful where you plant them though, as all parts of this plant are highly poisonous.
Mimulus is also known by its common name, Monkey Flower. Its bright orchid-like flowers will attract butterflies and hummingbirds to your garden. They prefer moist soil, so this is a perfect plant for areas in your garden that are damp or wet such as bog gardens or around ponds with afternoon shade in hotter climates
The mock orange as its name suggests is not a true orange, but it does have beautiful citrus scented blossoms. Some varieties are more fragrant than others so check with your local garden centre as to the best varieties for your garden and be sure to plant it where you can enjoy its fragrance.