Zone 7a Planting Schedule: Frost Dates and What to Plant When

Zone 7a gardeners plant cool-season crops like peas, spinach, and onions in March and early April, then move tomatoes, peppers, and squash outside in early to mid-May once the soil warms. For most of Zone 7a, the safest plan is to put tender warm-season crops in the ground around May 3, the date when frost risk drops to about 10%, and to start fall crops in late July and August. The typical last spring frost lands around April 16, which tempts plenty of gardeners to plant two weeks too soon.

A good zone 7a planting calendar gives you about 191 frost-free days to work with. That is a long growing season with room for a spring garden, a summer garden, and a fall garden in the same beds.

We are Dan and Loan, and we garden one half-zone warmer in Zone 7b. The timing below is built for 7a, using NOAA 1991 to 2020 station averages from across the zone, so you can plan each month with confidence.

Key Takeaways

• Plant tender crops around May 3, not the average April 16 frost date.
• Use soil temperature as your final go signal for warm-season seeds.
• Start fall crops in late July and August for sweet, frost-kissed harvests.

Average coldest winter night	0 to 5°F
Typical last spring frost	Apr 16 (most areas Apr 5 to Apr 29)
Safer planting date (10% frost risk)	May 3
Typical first fall frost	Oct 25 (most areas Oct 15 to Nov 2)
Frost-free growing season	About 191 days (168 to 209)

Medians across 4,021 ZIP codes in zone 7a, from NOAA 1991 to 2020 weather station averages. Your own dates can differ by a couple of weeks: look up your ZIP code.

Which Frost Dates Should You Plant Around?

In Zone 7a, the two dates that run your garden are the last spring frost (about April 16) and the first fall frost (about October 25). Both are averages, so the smart move is to plant tender crops a little after the spring date and finish fall crops a little before the fall one. Soil warmth and your exact spot in the zone fine-tune both dates.

Typical Frost Dates vs. the Safer Spring Planting Date

USDA hardiness zone 7a has coldest winter nights of 0 to 5°F on average. The frost date table above gives the full numbers, but here is how we read them:

• Typical last frost date: about April 16, with most areas falling between April 5 and April 29.
• Safer planting date: about May 3, when the chance of a frost drops to roughly 10%.
• Typical first frost date: about October 25, with most areas between October 15 and November 2.
• Frost-free days: about 191.

An average last frost means half of all years still get frost after that day. That is why we treat April 16 as the date for hardy and semi-hardy crops and May 3 as the date for tomatoes, peppers, and basil.

Any zone 7 planting schedule works the same way: count backward from the spring date for indoor seed starts, and count backward from the fall date for fall crops.

How Soil Temperature Changes Your Planting Window

Cold, wet soil rots seeds even when the air feels warm. Beans, cucumbers, melons, and squash need soil of at least 60°F to sprout well, and they sit and rot below that.

A simple soil thermometer pushed 2 to 4 inches deep tells you more than the calendar. Check it in the morning, when soil is coolest, for three or four days in a row.

Cool-season crops are more forgiving. Peas, spinach, and lettuce sprout in cool soil, and lettuce struggles to germinate once soil passes about 70°F. That is why lettuce goes in early in spring and again in late summer.

How Does Zone 7a Differ From Zone 7b?

Zone 7a runs about a week or more behind 7b in spring and about a week ahead of it in fall. Its winters also dip a bit colder, with lows of 0 to 5°F compared to 5 to 10°F in 7b.

That week matters most for tender transplants and fall crops. In our 7b garden, we can push tomatoes out a little sooner, so if you follow a 7b guide, add about a week to the spring dates and pull fall planting dates a week earlier.

Perennials feel the difference too. A rosemary or fig that coasts through a 7b winter may need extra cover in 7a.

What to Plant and Do Each Month

A Zone 7a vegetable planting calendar follows a simple rhythm: plan and start slow crops indoors in winter, plant cool-season crops in early spring, move warm crops out in May, keep sowing all summer, and start fall crops before August ends. The full spring and fall planting calendar in the middle of this page lists exact start-indoors and plant-outside dates for about 20 crops; the notes below explain what each month looks like in the yard.

January: Plan Your Beds and Start Onions

January is for planning and for the slowest seeds. Sketch your beds, decide what goes where, and order seeds before popular varieties sell out.

Onions and leeks take a long time to reach transplant size, so start them indoors under grow lights in late January. Celery can follow in late winter, since it also grows slowly.

If you are brand new, our tips on starting your own garden as a beginner cover bed layout and soil prep you can do now.

February and March: Start Seeds Indoors and Sow Early Peas

Late February through March is the busiest seed-starting stretch. Start these indoors:

1. Broccoli, cabbage, and cauliflower: 4 to 6 weeks before setting out in early April.
2. Tomatoes, peppers, and eggplant: mid-March, about 6 to 8 weeks before the May 3 safer date.
3. Lettuce and kale transplants: early March for a quick April start.

Outside, sow peas and snow peas in mid to late March as soon as the soil dries enough to crumble in your hand. Spinach, radishes, and turnips can go in around the same time. Onion sets and seed potatoes go in from late March into April.

April: Transplant Cool-Season Crops

April is cool-season planting month. Set out broccoli, cabbage, cauliflower, kale, collards, and onion transplants in early April.

Direct sow lettuce, spinach, arugula, beets, carrots, radishes, kohlrabi, parsnip, and Swiss chard. Sow small batches every two weeks so they do not all mature at once.

Keep row cover handy. A late frost around the April 16 average will not hurt most of these crops, but a hard freeze can damage young transplants.

Early to Mid-May: Plant Warm-Season Crops in Warm Soil

Early May is when the garden changes over. Once you pass about May 3 and the soil reads 60°F or higher, plant these:

• Transplants: tomatoes, peppers (bell pepper and hot types), eggplant, and sweet potato slips.
• Seeds: green beans and bush beans, sweet corn, cucumbers, squash, zucchini, and okra.
• Mid to late May: pumpkin, watermelon, cantaloupe, and other melons, which want the warmest soil of all.

Corn does best in a block of short rows so the wind can pollinate it. Water transplants well and mulch once the soil is warm.

June and July: Succession Sow for Steady Harvests

Succession sowing means planting small amounts every two to three weeks. It keeps beans, cucumbers, and squash coming after the first planting slows down, which happens about 3 to 4 weeks into its harvest.

Through June and early July, sow more bush beans, sweet corn, and cucumbers. Pull spent spring crops like peas and lettuce, mix a little compost or balanced fertilizer into the bed, and replant the space.

Brussels sprouts need a long season, so set out transplants in late June or early July for a fall harvest.

Late July and August: Start Your Fall Garden

Fall crops grow into cooling weather, so they bolt less and often taste sweeter than spring plantings. Kale, collards, and carrots turn sweeter after a light frost.

To time them, take the days to maturity from the seed packet, add 10 to 14 days for shorter fall days, and count back from October 25. For example:

Crop	Approx. days to maturity	Planting window
Broccoli, cabbage, cauliflower (transplants)	60 to 90	Late July to early August
Carrots, beets	50 to 70	Late July to early August
Kale, collard greens	40 to 65	Mid-July to mid-August
Mustard greens, bok choy, arugula	30 to 60	August to early September
Spinach, radishes	25 to 45	August to early September
Endive, lettuce	40 to 60	Late July to mid-August

Lettuce will not sprout well in hot soil, so start it indoors or sow it in a shaded spot and keep it moist.

September and October: Plant Garlic and Protect Fall Harvests

September is for the last quick sowings of radishes, spinach, and arugula. Keep fall crops watered, since early fall can still run dry.

Plant garlic in October, about two to four weeks before the ground starts to freeze. Fall garlic grows bigger bulbs than spring-planted garlic. Set cloves pointy end up, 2 inches deep and about 4 to 6 inches apart, and mulch with straw.

When frost is forecast near October 25, cover tender greens with row cover and harvest any remaining warm-season crops.

November and December: Protect Beds and Plan Ahead

Hardy crops keep going well into late fall. Kale, collards, Swiss chard, and spinach handle cold, and carrots and beets can stay in the ground under straw or a low tunnel until the soil freezes.

Cover empty beds with leaves, mulch, or a cover crop like annual rye or oats to stop erosion. Clean and sharpen your tools, and keep a list of what worked and what did not, since those notes make next January’s plan much easier.

Which Plants Are Worth Space in a Small Backyard?

The best plants for zone 7a in a small yard are the ones that give a lot of food or color per square foot and match the zone’s long, warm season. Easy vegetables, a handful of herbs, sturdy flowers, and a few perennial crops make the most of limited beds.

Reliable Vegetables for Beginners and Crops That Can Struggle

These crops tend to succeed for first-time 7a gardeners:

• Bush beans and zucchini: fast, heavy producers.
• Tomatoes and peppers: long harvests from July to frost.
• Kale and collards: grow spring and fall and handle cold well.
• Radishes and lettuce: quick wins in cool weather.

Some crops struggle. Spring broccoli and cauliflower bolt when hot weather arrives suddenly, so many 7a gardeners have better luck with fall plantings. Cool-loving crops like spinach and cilantro also bolt in summer heat. Large melons and pumpkins need a lot of space, which is hard in a small yard.

When to Plant Culinary Herbs

Herbs split into cool-season and warm-season groups.

Cool-season herbs like parsley, cilantro, dill, chervil, thyme, and sage handle cool soil and can go out in April. Cilantro and dill bolt fast in heat, so sow them again in late summer.

Warm-season herbs like basil, rosemary, and oregano want soil near 60°F, so plant them in early May with your tomatoes. Plant mint in a pot, since it spreads hard in open beds. Fennel does best on its own because it does not play well with many vegetables.

Most herbs need six or more hours of sun and well-drained soil. Our guide on how to start your own herb garden covers containers and spacing.

Annual and Perennial Flowers for Seasonal Color

Flowers for zone 7a fall into three timing groups:

• Hardy annuals (snapdragons, calendula): plant about four weeks before the last frost, so late March.
• Half-hardy annuals (petunias): plant about two weeks before, around early April.
• Tender annuals (marigolds, zinnias, cosmos, begonias, sunflowers, amaranth): plant after May 3 in warm soil.

Marigolds and zinnias are easy from seed and bloom until frost. Black-eyed Susans are perennial flowers that come back each year and attract pollinators to nearby vegetables.

Establishing Asparagus, Rhubarb, and Artichokes

Perennial vegetables take patience but pay back for years.

Asparagus: Plant one-year-old crowns from late March to mid-April in a trench about 6 to 8 inches deep, covering with 2 to 3 inches of soil at first and filling in as ferns grow. A bed can last 15 years. Start light harvests in year two or three.

Rhubarb: Set roots out from late March to mid-April or in late fall. Skip harvesting the first year so roots can build strength.

Artichokes: These are marginal in 7a’s colder winters. Many gardeners grow artichokes as annuals from seed started indoors in January, or mulch established plants heavily for winter.

Choosing Fruit Trees and Berries for Your Conditions

Zone 7a supports a wide range of fruit. Apples, pears, peaches, plums, figs, blueberries, blackberries, raspberries, and strawberry plants all grow here with good site choice.

Pick a spot with at least eight hours of sun and well-drained soil. Peaches hate wet roots. Most apples, pears, and sweet cherries need a second variety nearby for pollination, while peaches, figs, raspberries, and strawberries set fruit on their own.

Blueberries need acidic soil (pH 4.0 to 5.5), so test first and add sulfur in fall before planting. Figs may need winter protection in colder 7a spots.

Plant strawberries as dormant bare-root plants in early spring. For a June-bearing bed, pinch off first-year flowers so plants make runners and a fuller bed for year two.

How Can You Extend the Season Without Planting Too Early?

Season extension works best when you protect plants from short cold snaps after they go in at the right time. Hardening off, row covers, and smart use of warm and cold spots in your yard can add weeks to both ends of the growing season.

Harden Off Seedlings Before Transplanting

Indoor seedlings have never felt wind or full sun, so they need a gentle move outside. Hardening off takes about 7 to 10 days:

1. Set seedlings in a shaded, sheltered spot for an hour or two.
2. Add an hour or two of time outdoors each day, slowly adding morning sun.
3. After about a week, leave them out overnight if lows stay well above freezing.
4. Transplant on a cloudy day or in the evening and water well.

Skipping this step leads to scorched leaves and stunted plants, even when the timing is right.

Use Row Covers and Low Tunnels for Cold Spells

Floating row cover is a light fabric that sits on top of plants and lets rain through. Heavy row covers protect plants down to around 20°F.

Low tunnels use wire or PVC hoops with row cover or plastic over them. They help cool-season crops in March and again in November. Vent plastic on sunny days so plants do not cook.

Remove covers from squash, cucumbers, and melons once they bloom so bees can reach the flowers. Water-filled plant protectors can let you set tomatoes out a bit earlier, but watch the forecast. A sturdy pair of soil pins and a good trowel from our list of essential gardening tools make covers easier to manage.

Adjust for Raised Beds, Frost Pockets, and Sheltered Spots

Your yard has its own small climates. Raised beds drain faster and warm up sooner in spring, so warm crops can go in a few days earlier there.

Low spots collect cold air on still nights and frost later in spring and earlier in fall. Plant tender crops on higher ground. A south-facing wall soaks up heat and gives you a warmer spot for peppers or a borderline perennial.

Black plastic laid a week or two before planting warms soil for melons and squash.

Protect Overwintering Crops and Tender Perennials

Fall crops and garlic handle cold well, but extreme nights near 0°F can damage them. Mulch garlic, carrots, and beets with 3 to 6 inches of straw.

Rosemary is borderline in Zone 7a. Plant it in a sheltered, well-drained spot near a south wall, or grow it in a pot you move into a garage during the coldest stretch. Figs benefit from a heavy mulch around the base and burlap wrap in colder areas.

Strawberry beds get 3 to 6 inches of clean straw in late fall. Pull it back in spring when new growth starts.

Let Local Conditions Set Your Next Planting Date

The calendar gives you a starting point, and your own yard gives you the final answer. Use the April 16 last spring frost as the cue for hardy crops, May 3 for tender crops, and the October 25 first fall frost as the deadline you count back from for fall planting.

Then adjust with what you see:

• Soil temperature: wait for 60°F before sowing beans, cucumbers, melons, and squash.
• Weather forecast: check the 10-day forecast before setting out tomatoes.
• Your yard: plant later in low frost pockets and earlier in warm raised beds.
• Your notes: write down planting dates, frost dates, and harvests each year.

A zone 7a planting schedule built on these habits gets more accurate every season. After two or three years of notes, you will know your yard’s real frost dates better than any map.

Planting Schedules for Other Zones

• Zone 7a planting schedule (last frost about Apr 16)
• Zone 7b planting schedule (last frost about Apr 6)

Frequently Asked Questions