Foxgloves contain digitalin, derivatives of which are used to treat heart disease.
They are also great for bees and butterflies
Tall flower spikes of up to 1.5m tall grow from a low rosette of furry leaves. They flower from June to September.
Foxgloves are biennial, and in the first year only produce a rosette of furry leaves. Try not to weed these out! After the second-year flower spikes go to seed let them dry out and drop their seed to grow the following year.