Hortsense Glossary
| Term | Definition |
| herbaceous | having no persistent woody stem above ground. |
| honeydew | a sweetish excretion produced by certain insects notably aphids and scales; also an exudate from the surface of some galls. |
| hornworm | the immature stage or caterpillar of the hummingbird or sphinx moth family; characterized by having a rhino-like horn on the tail end. |
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