When to Plant Dahlia in Zone 11A
USDA Zone
11A
Cities Covered
199
Avg Last Frost
Thursday, January 1, 2026
Plant Type
Indoor Start
📅 Planting Calendar for Zone 11A
Start Seeds Indoors Thursday, November 20, 2025
Transplant Outdoors Thursday, January 8, 2026
Pro Tip: Start Dahlia seeds indoors 6 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Dahlia pinnata
Days to Maturity 90 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 18" apart
Cities in Zone 11A
Hermosa Beach, California Malibu, California Venice, California Playa Del Rey, California Venice, California Playa Del Rey, California San Diego, California San Diego, California San Diego, California San Diego, California San Diego, California San Diego, California San Diego, California San Diego, California San Diego, California San Diego, California Miami, Florida Miami, Florida Miami Beach, Florida Miami, Florida Miami, Florida Miami, Florida Miami Beach, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami Beach, Florida Miami Beach, Florida Miami Beach, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Key Biscayne, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida North Miami Beach, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Hialeah, Florida Dania, Florida Hallandale, Florida Hallandale, Florida Hialeah, Florida Hialeah, Florida Hialeah, Florida Hialeah, Florida Hialeah, Florida Hialeah, Florida Hialeah, Florida Hialeah, Florida Hialeah, Florida Hollywood, Florida Hollywood, Florida Hollywood, Florida Hollywood, Florida Hollywood, Florida Hollywood, Florida Hollywood, Florida Hollywood, Florida Hollywood, Florida Homestead, Florida Homestead, Florida Homestead, Florida Key Largo, Florida Opa Locka, Florida Opa Locka, Florida Opa Locka, Florida Pompano Beach, Florida Pompano Beach, Florida Pompano Beach, Florida Pompano Beach, Florida Pompano Beach, Florida Pompano Beach, Florida Pompano Beach, Florida Hollywood, Florida Pembroke Pines, Florida Hollywood, Florida Pembroke Pines, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami Beach, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Miami, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Fort Lauderdale, Florida Boca Raton, Florida Boca Raton, Florida Boca Raton, Florida Boca Raton, Florida Deerfield Beach, Florida Deerfield Beach, Florida Deerfield Beach, Florida Delray Beach, Florida Boca Raton, Florida Delray Beach, Florida Boca Raton, Florida Boca Raton, Florida Boca Raton, Florida Captiva, Florida Santa Monica, California Santa Monica, California Santa Monica, California Santa Monica, California Santa Monica, California Santa Monica, California Santa Monica, California Santa Monica, California Santa Monica, California Santa Monica, California Santa Monica, California La Jolla, California Hawaii National Park, Hawaii Hilo, Hawaii Holualoa, Hawaii Honaunau, Hawaii Kamuela, Hawaii Ninole, Hawaii Ookala, Hawaii Paauilo, Hawaii Volcano, Hawaii
Other Plants for Zone 11A
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 Snapdragon Pansy Sweet Pea 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
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Growing Dahlia in USDA Zone 11A
Dahlia (Dahlia pinnata) grows well in USDA Hardiness Zone 11A. This zone includes cities like Hermosa Beach, Malibu, Venice and 196 more.
The average last frost date for Zone 11A is around Thursday, January 1, 2026. For best results, start your Dahlia seeds indoors around Thursday, November 20, 2025, then transplant outdoors around Thursday, January 8, 2026.
Expect to harvest your Dahlia approximately 90 days after planting.