Potential Resources
World Placement Rules
BiomesPer ZoneScaleGroup SizeConditions
200.5 to 11Altitude: 0 to 1,000; Terrain tilt: Up to 90; In forest
200.5 to 11Altitude: 0 to 1,000; Ocean depth: Up to 2; Terrain tilt: Up to 90
1000.5 to 11Altitude: 1 to 1,000; Terrain tilt: Up to 90

Console commands

Use after enabling developer commands with devcommands.

spawn shrub_2 1
spawn shrub_2_heath 1