[
    {
    'sizes' => [   # $i - loop
                 {
                   'size' => '5-6"',
                   'growers' => [  # $j - loop
                                  {
                                    'abbrev' => 'KT '   # $k - loop
                                  }
                                ]
                 }
               ],
    'chicagoland_grows' => '0',
    'common_name' => 'Northern Pin Oak ',
    'id' => '7108',
    'genus' => '',
    'type' => '1'
    },
    {
    'sizes' => [
                 {
                   'growers' => [
                                  {
                                    'abbrev' => 'KN '
                                  }
                                ],
                   'size' => '1.5-4.5"'
                 },
                 {
                   'growers' => [
                                  {
                                    'abbrev' => 'HI '
                                  }
                                ],
                   'size' => '2-4"'
                 }
               ],
    'genus' => 'Acer nigrum \'Green Column\'',
    'chicagoland_grows' => '1',
    'common_name' => 'Green Column Black Maple',
    'id' => '6',
    'type' => '1'
    }
    ];