About plant names

Herb: If it has two legs it is called Herb. If it grows in your garden and flavors your meals it is called herb, (silent h)

Even though the h is silent in herbal you need it when pronouncing herbaceous.

Clematis: Several pronunciations are acceptable. Horticulturists usually refer to the plant as clem a tus. I often hear it referred to at garden centers as clem mat us. Either pronunciation produces the same beautiful plant when its feet are cool and its foliage is in the warm sun. Somewhat like me!

Cotoneaster: That hardy, lovely, winter berry shrub that is loved by birds is not cotton easter....