On the CTG episode that first aired May 2, 2009, Cindy Phillips from the Austin Herb Society flavors the warm-weather garden:

Herbs

• Sage, rosemary, lemon grass to protect vegetables
• Basils:  Spicy Globe, Purple Bush, African blue, lemon, holy, Thai, Sweet Genovese
• Oregano, marjoram:  Many kinds, including Origanum majorana
• Mexican mint marigold (Tagetes lucida)
• Mexican oregano (Poliomintha longiflora)
• Lemon balm
• Lemon verbena
• Thyme (lemon and others)
• Lemon grass
• Epazote
• Mint