When to Plant Dahlia in Massachusetts
State
Massachusetts
Cities Covered
27
USDA Zones
6a, 6b, 7a
Plant Type
Indoor Start
📅 Planting Calendar for Massachusetts
Based on Boston (Zone 7a). Dates may vary by city.
Start Seeds Indoors Friday, February 27, 2026
Transplant Outdoors Friday, April 17, 2026
Note: Massachusetts spans multiple zones (6a, 6b, 7a). Select your city below for more precise dates.
🌿 Plant Details
Scientific Name Dahlia pinnata
Days to Maturity 90 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 18" apart
Find Your City in Massachusetts
Allston (Zone 6b)
Andover (Zone 6b)
Boston (Zone 7a)
Braintree (Zone 6b)
Brighton (Zone 6b)
Cambridge (Zone 6b)
Charlestown (Zone 7a)
Chelsea (Zone 7a)
Everett (Zone 7a)
Hyde Park (Zone 6b)
Jamaica Plain (Zone 6b)
Malden (Zone 6b)
Mattapan (Zone 6b)
Medford (Zone 6b)
Melrose (Zone 6b)
Milton (Zone 6b)
Milton Village (Zone 6b)
Quincy (Zone 6b)
Readville (Zone 6b)
Revere (Zone 7a)
Roslindale (Zone 6b)
Somerville (Zone 7a)
Stoneham (Zone 6b)
West Medford (Zone 6b)
West Roxbury (Zone 6b)
Weymouth (Zone 6b)
Winthrop (Zone 7a)
Other Plants for Massachusetts
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 Massachusetts
Dahlia (Dahlia pinnata) is a popular garden vegetable in Massachusetts. The state spans USDA Hardiness Zones 6a, 6b, 7a, so planting dates can vary significantly depending on your location.
For most of Massachusetts, you should start Dahlia seeds indoors around Friday, February 27, 2026, then transplant outdoors around Friday, April 17, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.