When to Plant Leek in Newtown Square, Pennsylvania (19073)
Location
Newtown Square, Pennsylvania
ZIP Code
19073
USDA Zone
7a
Last Frost
Friday, April 10, 2026
📅 Planting Calendar
Direct Sow Outdoors Friday, February 27, 2026
Pro Tip: Leek can be directly sown outdoors. Plant 6 weeks before your last frost date.
🌿 Plant Details
Scientific Name Allium porrum
Days to Maturity 7 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
🤝 Good Companions
CeleryAppleCarrot
⚠️ Avoid Planting Near
Swiss Chard
Other Plants for Newtown Square
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 Brussel 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 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
Growing Leek in Zone 7a
Leek (Allium porrum) is a popular garden vegetable. In Newtown Square, Pennsylvania, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, February 27, 2026.
Your average last frost date is Friday, April 10, 2026. Leek grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.