Zone 9 Vegetable Planting and Harvest Chart. Zone 9 has a long growing season of about 240–300 days, with last frost typically around mid-February and first frost around mid-November. This makes Zone 9 ideal for a wide variety of warm-season crops, along with cool-season crops that can be planted in the fall and winter.
Zone 9 Vegetable Planting and Harvest Chart
| Vegetable | Start Indoors | Direct Sow Outdoors | Transplant Outdoors | Harvest Window |
|---|---|---|---|---|
| Arugula | – | Year-round | – | March–Nov |
| Beets | – | January–March, Sept–Oct | – | March–Nov |
| Broccoli | Jan–Feb | – | Feb–March | March–May |
| Brussels Sprouts | Jan–Feb | – | Feb–March | Sept–Nov |
| Cabbage | Jan–Feb | – | Feb–March | May–Nov |
| Carrots | – | January–March, Aug–Sept | – | March–Nov |
| Cauliflower | Jan–Feb | – | Feb–March | March–May |
| Corn | – | March–May | – | May–Sept |
| Cucumbers | March–April | March–June | April–May | June–Sept |
| Kale | Jan–Feb | Year-round | Feb–March | March–Dec |
| Lettuce | – | Year-round | – | Jan–Nov |
| Onions (sets) | – | January–February | – | May–July |
| Peas | – | Oct–Nov, Feb–March | – | Feb–April |
| Peppers | Jan–Feb | – | March–April | June–Oct |
| Potatoes | – | January–February | – | April–June |
| Pumpkins | March–April | April–June | May | Sept–Nov |
| Radishes | – | Year-round | – | Jan–Dec |
| Spinach | – | Sept–March | – | Oct–April |
| Squash (Summer) | March–April | April–June | May–June | June–Sept |
| Squash (Winter) | March–April | April–June | May | Sept–Nov |
| Tomatoes | Jan–Feb | – | March–April | June–Nov |
| Turnips | – | Sept–March | – | Nov–March |
| Zucchini | March–April | April–June | May–June | June–Sept |
Zone 9 Gardening Tips:
Frost Dates: Last frost ~February 15; First frost ~November 15 (local conditions may vary slightly).
Warm-Season Crops: Due to the long growing season, you can plant multiple rounds of warm-season crops such as tomatoes, peppers, and beans.
Cool-Season Crops: Plant cool-season vegetables like spinach, kale, lettuce, and radishes in fall or early spring. In Zone 9, many cool-season crops can be grown through the winter.
Heat-Tolerant Varieties: Choose heat-tolerant varieties for crops like lettuce, spinach, and beans to handle the hot summer months.
Succession Planting: You can plant fast-growing crops like radishes and lettuce multiple times throughout the year for extended harvests.
Mulching: Mulch heavily to keep soil cool and retain moisture during the hot summer months, especially for heat-sensitive crops.