SA is awash with colour, with wildflowers blooming in national parks, reserves and by roadsides across the state, after heavy winter rains.

It's been a bumper season for the state's iconic Sturt's Desert Pea, with Flinders and Outback parks manger Philip Strachan telling ABC Adelaide the flowers had bloomed early, and in numbers not seen by locals in the area since 1974...

The familiar red and black still dominates, but the scale of this year's bloom has made rarer white, pink and purple variations easier to spot.