Just as with preceding Animal Crossing games, you can crossbreed your blooms to ACNH Bells get hybrid plants in Animal Crossing: New Horizons. These provide particular color versions that cannot be sold or observed growing naturally. You're basically about to turn out to be a flower scientist.
To create flower hybrids in Animal Crossing: New Horizons, you will need to plant your vegetation in a checkerboard pattern to your island. This will give them space to pass-pollinate and do a little flower breeding, with the hybrid flowers growing in the gaps.
You'll want to ensure your vegetation are watered every day - both by using you with your watering can, or the rain. You'll recognise which vegetation had been Animal Crossing Bells for Sale watered by using their sparkle.