Depending on the species, marigolds can grow anywhere from 5 inches to 4 feet tall. As members of the Asteraceae family, ...

Using too much fertilizer -- and especially the wrong kind -- can cause marigolds to devote all of their energy into forming lush, green leaves. This might sound like a good thing, but the plant ...

The pigment can be used to intensify the colour of egg yolks, soups and custards. • Marigold leaves, eaten as a salad, were considered useful in treating scrofula in children.