When to Plant Zinnia in Delaware

State

Delaware

Cities Covered

USDA Zones

7a, 7b, 8a

Plant Type

Direct Sow

📅 Planting Calendar for Delaware

Based on Bear (Zone 7b). Dates may vary by city.

Direct Sow Outdoors Sunday, April 12, 2026

Note: Delaware spans multiple zones (7a, 7b, 8a). Select your city below for more precise dates.

🌿 Plant Details

Scientific Name Zinnia elegans

Days to Maturity 60 days

Sun Requirements Full Sun (6-8 hours)

Plant Spacing 12" apart

Find Your City in Delaware

Bear (Zone 7b) Bethany Beach (Zone 8a) Bethel (Zone 7b) Bridgeville (Zone 7b) Camden Wyoming (Zone 7b) Cheswold (Zone 7b) Claymont (Zone 7b) Clayton (Zone 7b) Dagsboro (Zone 7b) Delaware City (Zone 7b) Delmar (Zone 7b) Dover (Zone 7b) Dover Afb (Zone 7b) Ellendale (Zone 7b) Felton (Zone 7b) Fenwick Island (Zone 8a) Frankford (Zone 7b) Frederica (Zone 7b) Georgetown (Zone 7b) Greenwood (Zone 7b) Harbeson (Zone 7b) Harrington (Zone 7b) Hartly (Zone 7b) Hockessin (Zone 7a) Houston (Zone 7b) Kenton (Zone 7b) Kirkwood (Zone 7b) Laurel (Zone 7b) Lewes (Zone 7b) Lincoln (Zone 7b) Little Creek (Zone 7b) Magnolia (Zone 7b) Marydel (Zone 7b) Middletown (Zone 7b) Milford (Zone 7b) Millsboro (Zone 7b) Millville (Zone 7b) Milton (Zone 7b) Montchanin (Zone 7b) Nassau (Zone 7b) New Castle (Zone 7b) Newark (Zone 7b) Ocean View (Zone 8a) Odessa (Zone 7b) Port Penn (Zone 7b) Rehoboth Beach (Zone 8a) Rockland (Zone 7b) Saint Georges (Zone 7a) Seaford (Zone 7b) Selbyville (Zone 7b) Smyrna (Zone 7b) Townsend (Zone 7b) Viola (Zone 7b) Wilmington (Zone 7b) Winterthur (Zone 7b) Woodside (Zone 7a) Yorklyn (Zone 7a)

Other Plants for Delaware

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 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 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 Zinnia in Delaware

Zinnia (Zinnia elegans) is a popular garden vegetable in Delaware. The state spans USDA Hardiness Zones 7a, 7b, 8a, so planting dates can vary significantly depending on your location.

In most areas of Delaware, you can direct sow Zinnia outdoors around Sunday, April 12, 2026.

For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.