Hungry animals that have once tasted an adult monarch butterfly leave others alone. The adult's bad taste comes from special chemicals in the milkweed that the caterpillar ate.
Canadian Tree Guide
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Hop-Hornbeam
hop-hornbeamOstrya virginiana (Mill.) K. Koch.
Hop-hornbeam is a small (>9 m) tree. It has an exquisitely shaped crown which is often as wide as it is high. Birds and small mammals feed on hop-hornbeam nuts and honeybees produce a delicious honey from the flowers. The wood is heavy and very hard.
Tree Guide
