Zone 6 Vegetable Gardening Guide: Planting Calendar, Tips, and More

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Whether you’re a seasoned gardener or just getting started, this Zone 6 Vegetable Planting Calendar guide is going to be your go-to resource for growing those dream veggies.


What is Hardiness Zone 6?

Hardiness Zone 6 is characterized by average annual minimum temperatures ranging between -10 to 0 degrees Fahrenheit. The growing season is moderately long, allowing for a wide range of both cool and warm-season crops. Frost is generally expected from late October to early April, although this can vary.

Planting Schedule for Zone 6

VegetableSow SeedsIndoors/OutdoorsTransplant
Artichoke**Not recommendedN/AN/A
Brussel SproutsJanuaryIndoorsMarch-April
Collard GreensFebruary-MarchIndoorsApril-May
Mustard GreensMarch-AprilOutdoorsN/A
Squash (Summer)MayOutdoorsN/A
Squash (Winter)MayOutdoorsN/A
Swiss ChardMarchIndoorsApril

*not recommended to start from seed
**not recommended for this hardiness zone

This table aims to provide comprehensive information for sowing and transplanting vegetables. However, be sure to consult with local experts or extension services to account for any regional variations.

What States are in Zone 6?

District of ColumbiaGeorgiaIdaho
New HampshireNew JerseyNew Mexico
New YorkNorth CarolinaOhio
Rhode IslandTennesseeTexas
West VirginiaWyoming

Now, remember that hardiness zones can be nuanced, sometimes varying by specific regions within a state. So it’s always a good idea to confirm your exact location’s zone, usually down to the zip code. Websites like the USDA’s Plant Hardiness Zone Map can be super handy for this.

Vegetable Gardening in Zone 6

Recommended Vegetables

The next thing you’re probably wondering is, “What veggies should I absolutely, positively, without a doubt, be planting?” Well, I’ve got your back. Below are some top picks for your Zone 6 Vegetable Planting Calendar, complete with some quick tips for each.


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Tomatoes love the warmth, so you’ll want to get these started indoors around 6-8 weeks before the last frost date if starting from seed. Then transplant them outdoors when the soil temps are consistently above 60°F.


These are a super-easy win for the Zone 6 gardener. Direct sow cucumber seeds in late spring, and you’ll have yourself some crunchy, hydrating veggies in no time. Bonus points for growing them vertically to save space!

Bell Peppers

Peppers are another warm-loving plant that benefits from an early indoor start. You’ll get the most flavorful peppers if you let them fully ripen before picking. Just be sure and start them indoors at least 6-8 weeks preseason if you’re starting from seed.


You won’t believe how easy zucchini is to grow. Seriously, plant a couple of these and brace yourself for a zucchini avalanche. Plant these directly in the soil in late spring, and you’ll be making zucchini bread before you know it.


These root veggies love well-drained, loose soil. Direct sow in early spring and late summer for a double carrot bonanza! Just keep an eye on them as they grow, you want to harvest before they get woody.


If you’re into salads, lettuce is your go-to. It’s quick to grow, and you can even try your hand at succession planting to keep the greens coming. Early spring or late summer are ideal planting times.


Popeye was onto something here, guys. Spinach is super nutritious and easy to grow. Like lettuce, you can grow it in early spring and late summer to keep your veggie intake high and your grocery bill low.

Indoor Sowing

Indoor sowing is a smart way to get a head start, especially for plants that need a little more TLC. Veggies like tomatoes and peppers love this treatment.

Tips for Indoor Sowing

Keep a couple of things in mind when starting indoors: Use a good seed starting mix and make sure you’re giving them plenty of light. Either a sunny window or grow lights will do the trick. Also, keep your soil consistently moist but not waterlogged.

Succession Planting

Okay, so you’ve got your Zone 6 Vegetable Planting Calendar sorted, and you’ve handpicked the veggies you’re eager to grow. But how about keeping that veggie train chugging all season long? That’s where succession planting comes into play.

What is Succession Planting?

In simple terms, succession planting is all about timing. It’s planting crops in a staggered manner so that as soon as one batch is done, another one is ready to take over.

How to Do It in Zone 6

For Zone 6, this strategy is a godsend because the growing season that spans from April to October. You’ve got options! Let’s use lettuce as an example. You could plant a new row every two weeks, from early spring into late summer. This way, you’ll have a steady supply of fresh greens without being overwhelmed.

Best Veggies for Succession Planting

Not every vegetable is suited for succession planting, but many are! The best candidates are those that have a relatively quick growing cycle. Here are some top picks:

  • Lettuce: As mentioned, you can have a continuous supply with staggered planting.
  • Radishes: These guys grow super quickly and can be planted at various intervals.
  • Spinach: Similar to lettuce, but a bit more cold-tolerant. Perfect for early spring and late summer planting.
  • Carrots: If you time it right, you can get both a spring and fall harvest.
  • Beets: These are a little slower but can also be staggered for multiple harvests.

The trick to getting succession planting right is knowing your veggies. Some plants, like tomatoes, have a longer growing cycle and won’t be suited for this technique. It’s crucial to check seed packets or other reliable sources for the ‘days to harvest’ information and plan accordingly.

Season Extension Techniques for Hardiness Zone 6

The festivities don’t need to wrap up just because Jack Frost starts making appearances. How about we lengthen that Zone 6 Vegetable Planting Calendar, sound good?


What Are They?

Picture a greenhouse as a comfy, climate-regulated sanctuary for your leafy pals, constructed from either glass or plastic sheets.


  • Regulate Temperature, Humidity, and Light: Take the reins on your garden’s microclimate.
  • Kickstart those warm-weather plants earlier and keep the cool-weather ones growing into the chillier months.
  • Simplified Pest Control: A closed environment makes it easier to manage those pesky critters.

Best Practices

  • You don’t want your greenhouse turning into a plant steam room, so good ventilation is key.
  • Always keep an eye out for signs of pests or diseases. Frequent inspections are essential.
  • During the peak of summer, use shade cloth to shield your plants from harsh sun rays.

Cold Frames

What Are They?

See cold frames as pint-sized greenhouses, basically boxes with see-through tops that sit right over your garden plants.


  • More Wallet-Friendly: Generally less expensive than a full greenhouse.
  • DIY Potential: You can easily construct one from repurposed materials.
  • The Perfect Transition: Great for “hardening off” plants before they make their big garden entrance.

Best Practices

  • Position your cold frame to face south for optimal sunlight.
  • Lift the top when it’s warm to avoid overheating your plants.
  • Add some straw or other insulating materials for added warmth.

High Tunnels

What Are They?

Also dubbed hoop houses, high tunnels are like cold frames but taller, typically constructed from a metal skeleton covered in plastic sheeting.


  • Budget-Friendly Greenhouse Alternative: Extends your growing season without breaking the bank.
  • Versatility Galore: Suitable for a variety of plants, even taller ones like tomatoes.
  • Weather Shield: Offers protection against strong winds, heavy rains, and chilly conditions.

Best Practices

  • Ensure it’s securely fastened to resist strong winds.
  • Opt for sides that roll up for better air circulation and temperature control.
  • Rotate your crops to prevent soil depletion.

Floating Row Covers

What Are They?

Think of row covers as super-light quilts made from materials like spun polyester, laid directly over your garden beds.


  • Quick to Install: Easy to put on and remove.
  • Pest Barrier: Acts as a physical shield against some bugs.
  • Frost Defense: Provides a layer of protection against light frost.

Best Practices

  • Install hoops or stakes to prevent crushing more delicate plants.
  • Fasten the edges to withstand windy conditions.
  • Choose the appropriate thickness based on your plants and the time of year.

Tips for Successful Gardening in Zone 6

Okay, now that you’ve got your Zone 6 Vegetable Planting Calendar sorted, let’s touch on some general tips for making your garden the talk of the town:

  • Keep an eye on the weather. Spring frosts can be a game-changer.
  • Use mulch to help keep the soil moist and weed-free.
  • Invest in good quality compost. It’s like gold for your garden.
  • Don’t forget to rotate your crops yearly to keep the soil healthy.


So there you have it, folks! Your ultimate guide to the Zone 6 Vegetable Planting Calendar. Armed with this info, you’re ready to grow veggies that’ll make even your grandma proud.

Whether you’re just starting out or looking to up your gardening game, Zone 6 offers a wealth of possibilities.

FAQ: Zone 6 Vegetable Planting Calendar

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