Chard will tolerate partial shade but will give a better yield when in a sunny spot.2
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Rainbow is a very hardy plant.The species name vulgaris is from the Latin vulgus (“the multitude, the masses”) + -āris, and means “common”, “usual”, or “commonly known” 1.
Bright Lights, Five colour silverbeet, Neon. silverbeet