1. Perennial marsh herb with pink to mauve flowers; southeastern United States
   - marsh St-John's wort

Type of: St John's wort

• hawse
• hawsehole
• hawsepipe
• hawser
• hawser bend
• hawthorn
• Hawthorne
• hay
• hay bacillus
• hay bale
• hay conditioner
• hay fever
• hay-scented
• hay-scented fern
• Hayastan
• haycock
• Haydn
• Hayek
• Hayes
• hayfield
• hayfork
• haying
• haying time
• hayloft
• Haym Salomon