When to Plant Spinach in Zone 12A
USDA Zone
12A
Cities Covered
25
Avg Last Frost
Friday, January 1, 2027
Plant Type
Direct Sow
📅 Planting Calendar for Zone 12A
Direct Sow Outdoors Friday, November 20, 2026
Pro Tip: Spinach can be directly sown outdoors. Plant 6 weeks before your last frost date.
🌿 Plant Details
Scientific Name Cynara scolymus
Days to Maturity 40 days
Sun Requirements Partial Shade to Full Sun
Plant Spacing 6" apart
Cities in Zone 12A
Aiea, Hawaii Anahola, Hawaii Haiku, Hawaii Hanalei, Hawaii Waikoloa, Hawaii Kalaheo, Hawaii Kapaa, Hawaii Kualapuu, Hawaii Kunia, Hawaii Kurtistown, Hawaii Lawai, Hawaii Lihue, Hawaii Makawao, Hawaii Makaweli, Hawaii Papaikou, Hawaii Pearl City, Hawaii Wahiawa, Hawaii Pukalani, Hawaii Mililani, Hawaii Kula, Hawaii Waialua, Hawaii Waipahu, Hawaii Wheeler Army Airfield, Hawaii Schofield Barracks, Hawaii Camp H M Smith, Hawaii
Other Plants for Zone 12A
Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Parsley Rosemary Sage Tarragon Thyme Acorn Squash Artichoke Arugula Asparagus Beefsteak Tomato Beet Bell Pepper Bok Choy Broccoli Brussel Sprout Butternut Squash Cabbage Cantaloupe Carrot Cauliflower Cayenne Pepper Celery Cherry Tomato Chili Pepper Collard Green Common Bean Cucumber Eggplant Endive Fennel Garlic Grape Tomato Green Bean Habanero Pepper Head Lettuce Heirloom Tomato Honeydew Melon Jalapeño Pepper Kale Kohlrabi Leaf Lettuce Leek Lima Bean Mustard Okra Onion Parsnip Pea Poblano Pepper Pole Pea Potato Pumpkin Radicchio Radish Rhubarb Roma Tomato Rutabaga Serrano Pepper Shallot Snap Pea Snow Pea Spaghetti Squash Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Watermelon Zucchini
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Growing Spinach in USDA Zone 12A
Spinach (Cynara scolymus) grows well in USDA Hardiness Zone 12A. This zone includes cities like Aiea, Anahola, Haiku and 22 more.
The average last frost date for Zone 12A is around Friday, January 1, 2027. Spinach can be directly sown outdoors around Friday, November 20, 2026.
Expect to harvest your Spinach approximately 40 days after planting.