Contrast: Used pink to contrast the green in the background.
Alignment: Cropped the image to focus on the tulips and remove some unnecessary background. Centered the rectangle to create contrast with the left aligned text.
Proximity: Kept the text lines together and used capitalization to emphasize points.
Photoshop Skills:
Created an Adjustment layer.
Fixed the Hue and Saturation in Camera Raw.
Added a color tint to an Adjustment layer.
Added a centered rectangle and adjusted the opacity.
Added text using Paragraph tool and left aligned. Font is You Won’t Bring Me Down.