How to pass label attributes

gistfile1.php

        $this->add(array(
            'name'  => 'name',
            'options' => [
                'label' => 'Garden Name',
                'attributes' => [
                    'class' => 'col-lg-2 col-sm-2 control-label',
                ],
            ],
            'attributes' => [
                'class'         => 'form-control',
                'style'         => 'direction: rtl',
                'placeholder'   => 'Write the garden name',
            ]
        ));