PLANTS FOR MINNESOTA : Page 927

a. Early:

Acer negundo Celtis occidentalis

Box Elder Nettle Tree

Acer rubrum Populus eugenei

Red Maple Carolina Poplar

Acer saccharum . Rhus typhina

Sugar Maple Staghorn Sumac

Betula lutea Sassafras officinale

Yellow Birch Common Sassafras