October is a great time to plant a variety of vegetables, herbs, and flowers in Arizona. Here are some plants that can be planted in October in Arizona based on the search results:

Vegetables:

• Broccoli
• Cabbage
• Carrots
• Cauliflower
• Chard
• Daikon
• Endive
• Kale
• Lettuce
• Mustard
• Peas
• Radish
• Spinach
• Turnips

Herbs:

• Fennel
• Mint
• Oregano
• Parsley

Flowers:

• Butterfly bush
• Wildflowers

In addition to planting, October is also a good time to prune established flowering perennials by about a third and to plant shrubs and flowering perennials. It is important to note that planting dates may vary depending on the specific location in Arizona and the microclimate of the garden.