Month-wise Sowing chart for USDA Hardiness Zone 13:
| Month | Indoor Sowing | Outdoor Sowing |
| January | Broccoli, Brussels sprouts, cabbage, cauliflower, celery, collard greens, kale, kohlrabi, lettuce, mustard greens, okra, onions, peas, peppers, radishes, spinach, Swiss chard, tomatoes | Not recommended |
| February | Broccoli, Brussels sprouts, cabbage, cauliflower, celery, collard greens, kale, kohlrabi, lettuce, mustard greens, okra, onions, peas, peppers, radishes, spinach, Swiss chard, tomatoes | Not recommended |
| March | Broccoli, Brussels sprouts, cabbage, cauliflower, celery, collard greens, kale, kohlrabi, lettuce, mustard greens, okra, onions, peas, peppers, radishes, spinach, Swiss chard, tomatoes | Not recommended |
| April | Broccoli, Brussels sprouts, cabbage, cauliflower, celery, collard greens, kale, kohlrabi, lettuce, mustard greens, okra, onions, peas, peppers, radishes, spinach, Swiss chard, tomatoes | Start planting outdoors |
| May | Beans, corn, cucumbers, eggplant, melons, pumpkins, squash, sweet potatoes, tomatoes | Start planting outdoors |
| June | Beans, corn, cucumbers, eggplant, melons, pumpkins, squash, sweet potatoes, tomatoes | Continue planting outdoors |
| July | Beans, corn, cucumbers, eggplant, melons, pumpkins, squash, sweet potatoes, tomatoes | Continue planting outdoors |
| August | Beans, corn, cucumbers, eggplant, melons, pumpkins, squash, sweet potatoes, tomatoes | Continue planting outdoors |
| September | Beans, corn, cucumbers, eggplant, melons, pumpkins, squash, sweet potatoes, tomatoes | Start planting cool-weather crops indoors for fall harvest |
| October | Broccoli, Brussels sprouts, cabbage, cauliflower, collard greens, kale, kohlrabi, lettuce, mustard greens, okra, onions, peas, peppers, radishes, spinach, Swiss chard, tomatoes | Start planting cool-weather crops indoors for fall harvest |
| November | Broccoli, Brussels sprouts, cabbage, cauliflower, collard greens, kale, kohlrabi, lettuce, mustard greens, okra, onions, peas, peppers, radishes, spinach, Swiss chard, tomatoes | Start planting cool-weather crops indoors for fall harvest |
| December | Broccoli, Brussels sprouts, cabbage, cauliflower, collard greens, kale, kohlrabi, lettuce, mustard greens, okra, onions, peas, peppers, radishes, spinach, Swiss chard, tomatoes | Start planting cool-weather crops indoors for fall harvest |
Please note that these are just general guidelines. The exact timing of your sowing may vary depending on your local climate. It is always best to check with your local nursery or extension office for specific recommendations.
Here are some additional tips for gardening in USDA hardiness zone 13:
- Start seeds indoors 4-6 weeks before the last frost date.
- Use a light, well-draining potting mix.
- Keep the soil moist, but not soggy.
- Fertilize the seedlings every 2 weeks with a balanced liquid fertilizer.
- Harden off the seedlings by gradually exposing them to outdoor conditions for a few hours each day for a week before transplanting them outdoors.
- Transplant the seedlings into the garden after the last frost date.
- Water the plants regularly, especially during hot, dry weather.
- Fertilize the plants every 2 weeks with a balanced liquid fertilizer.
- Harvest the vegetables when they are ripe.
