I love Hesperaloe parviflora as a long blooming plant. There is a new variety called 'Breaklights' with more intense red coloring. It's also smaller. These plants have flowers that last all summer. Hummingbirds flock to them. I have the yellow variety too. I keep propagating more every year. This is a photo I liked from the database. Another good thing about these plants is the foliage doesn't die down in winter. They stay evergreen.
Here is a photo of my yellow and red mixed together...
I don't know why this plant is listed under the yellow variety. None of the photos they have here are the yellow one.
Here's a photo of a huge grouping of these. They don't grow as large here because winter is colder.