When to Plant Sweet Pea in Zone 12B
USDA Zone
12B
Cities Covered
53
Avg Last Frost
Friday, January 1, 2027
Plant Type
Direct Sow
📅 Planting Calendar for Zone 12B
Direct Sow Outdoors Friday, December 4, 2026
Pro Tip: Sweet Pea can be directly sown outdoors. Plant 4 weeks before your last frost date.
🌿 Plant Details
Scientific Name Lathyrus odoratus
Days to Maturity 65 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 6" apart
🤝 Companion Plants for Sweet Pea
Good Companions
CarrotRadishSpinach
Avoid Planting Near
OnionGarlic
Cities in Zone 12B
Captain Cook, Hawaii Eleele, Hawaii Ewa Beach, Hawaii Kapolei, Hawaii Hakalau, Hawaii Haleiwa, Hawaii Hanamaulu, Hawaii Hanapepe, Hawaii Hauula, Hawaii Hawi, Hawaii Hilo, Hawaii Princeville, Hawaii Honomu, Hawaii Hoolehua, Hawaii Kaaawa, Hawaii Kahuku, Hawaii Kahului, Hawaii Kailua, Hawaii Kailua Kona, Hawaii Kalaupapa, Hawaii Kaneohe, Hawaii Kaumakani, Hawaii Kaunakakai, Hawaii Keaau, Hawaii Kealakekua, Hawaii Kealia, Hawaii Kekaha, Hawaii Kihei, Hawaii Kilauea, Hawaii Kapaau, Hawaii Koloa, Hawaii Lahaina, Hawaii Laie, Hawaii Lanai City, Hawaii Laupahoehoe, Hawaii Maunaloa, Hawaii Naalehu, Hawaii Pahala, Hawaii Pahoa, Hawaii Paia, Hawaii Papaaloa, Hawaii Pepeekeo, Hawaii Puunene, Hawaii Waianae, Hawaii Wailuku, Hawaii Waimanalo, Hawaii Waimea, Hawaii Honolulu, Hawaii Hickam Afb, Hawaii Fort Shafter, Hawaii Tripler Army Medical Ctr, Hawaii Pearl Harbor, Hawaii Wake Island, Hawaii
Other Plants for Zone 12B
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 Brussels 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 Spinach Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Watermelon Zucchini Sunflower Marigold Zinnia Nasturtium Cosmos Echinacea (Coneflower) Petunia Black-eyed Susan Apple Tree Pear Tree Peach Tree Plum Tree Sweet Cherry Tree Lemon Tree Borage Lemongrass Ginger Stevia Tomatillo Edamame Fava Bean Mâche Mizuna Sorrel Shishito Pepper Banana Pepper Watermelon Radish Napa Cabbage Popcorn Broccoli Raab Catnip Valerian Lemon Verbena Bee Balm Anise Lovage Chervil Summer Savory Dahlia Snapdragon Pansy Morning Glory Hollyhock Larkspur Bachelor Button Columbine Impatiens Salvia (Annual) Sweet Alyssum Celosia Lupine Verbena Elderberry Grape Vine Red Currant Gooseberry Serviceberry Fig Tree Avocado Tree Persimmon Tree Olive Tree
Browse Other Zones
Growing Sweet Pea in USDA Zone 12B
Sweet Pea (Lathyrus odoratus) grows well in USDA Hardiness Zone 12B. This zone includes cities like Captain Cook, Eleele, Ewa Beach and 50 more.
The average last frost date for Zone 12B is around Friday, January 1, 2027. Sweet Pea can be directly sown outdoors around Friday, December 4, 2026.
Expect to harvest your Sweet Pea approximately 65 days after planting.