6 hours

A growth time of 6 hours is required for several Landleven crops, including:
 * Basil
 * Blackberry
 * Blue Cornflour
 * Cantaloupe
 * Christmas Chocolate
 * Coffee Bean
 * Daisy
 * Halloween Pumpkin
 * Lavender
 * Oat
 * Tinsel Crop
 * White Hibiscus