minSize property

dynamic minSize
getter/setter pair

Minimum bubble size. Bubbles will automatically size between the minSize and maxSize to reflect the value of each bubble. Can be either pixels (when no unit is given), or a percentage of the smallest one of the plot width and height, divided by the square root of total number of points.

API Docs: https://api.highcharts.com/highcharts/series.packedbubble.minSize

Implementation

dynamic minSize;