Rockmelon - Amish Smaller size can suit colder climates as it takes less time to ripen. $4.00 Quantity: at $4.00 each Add To Basket NZH An Amish heritage melon with orange flesh and sweet flavour. The smaller size can suit colder climates as it takes less time to ripen. Kids love them! Sow in September in glasshouse and prick out to 4cm diagonal spacing when true leaves appear. Transplant to 50cm diagonal spacing in fertile soil in direct sunlight after last frost. 15 seeds.