my LocalPlanting

When to Plant Lima Bean in Washington, District of Columbia (20421)

Location

Washington, District of Columbia

ZIP Code

20421

USDA Zone

8a

Last Frost

Friday, March 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, March 20, 2026

Pro Tip: Sow Lima Bean directly outdoors around your last frost date when soil starts to warm.

🌿 Plant Details

Scientific Name Phaseolus lunatus
Days to Maturity 75 days
Mature Height 18-24"
Spread 6"
Type Bush
Fruit Size Medium (flat pods)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

6" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 7-14 days

Ready to Plant Lima Bean in Washington?

Get your seeds now so they're ready by Friday, March 20, 2026.

🛒 Buy on Amazon 🌿 True Leaf Market

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

CornSquashCucumberCarrot

⚠️ Avoid Planting Near

OnionGarlicFennel

Other Plants for Washington

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 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 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

Growing Lima Bean in Zone 8a

Lima Bean (Phaseolus lunatus) is a popular garden vegetable. In Washington, District of Columbia, which is in USDA Hardiness Zone 8a, you should direct sow seeds around Friday, March 20, 2026.

Your average last frost date is Friday, March 20, 2026. Lima Bean grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.