Do you know these plants?

Are these two plants related?  Do you know their names?
Blooms from these plants are used in the team Grenada’s exhibits at the annual Chelsea Flower Show.
Do you know what type of root systems these plants have?
What makes these blooms appear on their respective plants?
Suzanne Gaywood team designer arrives in Grenada today in advance of the visitors for the Grenada Garden Tour which starts on November 22nd.
There’s still time to book the second week of the tour with Individual Holidays!
http://individual-holidaysgardentours.com/page10.html

Flower One
Flower One
Flower Two
Flower Two