The minimum value of the axis. Under certain conditions, the narrowRange setting can overwrite this setting. To give priority to the min setting of your choice, set valueAxis.narrowRange to false.

Example - set the value axis minimum

<div id="chart"></div>
<script>
$("#chart").kendoChart({
  valueAxis: {
     min: 10
  },
  series: [
    { data: [1, 2, 3] }
  ]
});
</script>