MESCLUN MIX- 35-45 days This special mild-flavored blend of lettuces and greens is a complete salad in one seed packet. Because they should be harvested when young and tender, successive planting is the key to always having something to fill the salad bowl. If you have never grown Mesclun, you have a great salad adventure ahead of you. Plants are easy and attractive to grow in gardens or containers. Harvest with scissors.