Dahlias – Perennial Plant, How to grow

How to grow Dahlia¬† Commemorating Andreas Dahl, a Swedish botanist who was a pupil of Linnaeus (Compositae). Half-hardy, tuberous-rooted perennials from Mexico, first introduced into Britain in 1789 by Lord Bute. Species cultivated (Few of the following original species are available, although they may occasionally be seen in botanic gardens and the like). D. coccinea; 4 feet, scarlet, September, the […]

Echinops – Perennial Plant, How to grow

How to grow Echinops Echinops (ek-in-ops) From the Greek echinos, a hedgehog, opsis, like, referring to the spiky appearance of the flower heads which resemble a rolled-up hedgehog (Compositae). Common Name: Globe thistle. Hardy herbaceous perennial and biennial plants for the border. Species cultivated (All perennial) E. bannaticus, 2-3 feet, violet-blue globular heads of flowers, summer, Hungary. E. humilis, 3-5 […]