When to Start Planting Seeds in Zone 6

If you live in USDA Hardiness Zone 6, you’re likely eager to get a jump on the growing season. With last frost dates typically falling between April 15 and May 1, proper seed-starting timing is crucial for a productive garden. Here’s a guide to when you should start planting your seeds indoors and outdoors in Zone 6.

Indoor Seed Starting (January–April)

Starting seeds indoors gives your plants a head start, especially for crops that need a longer growing season. Here are some common vegetables and flowers with their recommended indoor start times:

  • January–February: Onions, leeks, artichokes
  • Mid-February–March: Peppers, eggplant, tomatoes, cauliflower, broccoli, cabbage
  • March–April: Herbs (basil, parsley, oregano), lettuce, kale, chard, flowers like zinnias and marigolds

These should be started 6–10 weeks before your last frost and transplanted outside when temperatures allow.

Direct Sowing Outdoors (March–June)

Cool-season crops can go into the ground as soon as the soil is workable, while warm-season crops should wait until after the last frost:

  • Late March–April: Peas, spinach, radishes, carrots, beets, kale, lettuce
  • Late April–May: Potatoes, onions, cabbage, broccoli
  • Mid-May–June (after the last frost): Beans, corn, cucumbers, melons, squash, and sunflowers

By following these timelines, you’ll be set up for a strong growing season in Zone 6. Happy planting! 🌱

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