The vines with red flowers she asked about are Rangoon Creeper and Mandevilla. ... how much light is needed is dependent on the plant and local conditions including humidity, amount of rain, and soil.

Q: I have two pergolas with Rangoon creepers growing up each of the supports. The plants have reached the 8-10 foot level and will soon be spreading to the top of the pergola.

No the Rangoon creeper’s floral colour variation is quite deliberate. The white flowers, discovered to have the most nectar are special attractors for hawkmoths, the pinks, ...