Thuja occidentalis

Small tree, to 45' tall and several hundred years old
Shade to full sun
Wet to dry soils over limestone bedrock, in rocky cliffs, and in sphagnum bogs and swamps
Seed cones ripen in late summer
Shallow, wide-spreading root system
Stunted trees over 700 years old have been found along Niagara Escarpment
Pine siskins relish tiny seeds
Tea from leaves is very high in Vitamin C