Vegetable Planting Calendar in the USA: When to Plant, A Step-By-Step Guide for Beginners

If you’re unfamiliar with the vegetable planting schedule, you’ll have difficulty understanding it. Understanding when to sow and harvest is the key to getting the most out of your vegetable garden in the USA and ensuring you don’t miss out on producing your favorite delicacies. You can experiment with seed-starting fruits and vegetables when you get more familiar with your plot. Let’s check out the Vegetable planting calendar in the USA below.

Vegetable Planting Calendar in the USA
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This is far more cost-effective than purchasing plug plants from a garden center. Unless you’ve missed the planting season or are a novice gardener, this is OK. Before picking up a trowel, It is recommended that you grab a notebook and paper and scribble down all of your thoughts. Make a list of your favorite vegetables, even if it seems apparent. Kitchen garden ideas aren’t worth much unless you like eating them and consistently include them in your meals.

After that, consider when to plant the seeds and how to care for them from planting to harvest. Even if some of your crops don’t turn out as you had hoped, you may try the following year again by referring to the planting calendar in this article. Where should you begin if you want to produce your food, but you’ve never done it before, particularly if you’re a novice gardener? There is an incredible diversity in the kinds of vegetables that can be grown. In addition, not everyone has the same opportunities for physical development.

You are in luck since you can choose our vegetable planting calendar for the US, which will assist you in determining what to plant and when to grow your food effectively. Below we will discuss what the USDA hardiness zones are and how to use them, how to determine what your hardiness zone is, when to start planting in the USA, what is a planting calendar and how to use a planting calendar, and a seasonal vegetable planting guide for USA, and a detailed vegetable planting calendar/guide for USA.

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What are USDA hardiness zones/planting zones?

Determining the planting zone where you live is one of the first things you will need to do if you intend to grow your food. A planting zone, also known as a hardiness zone, is a geographic area that can support the growth of certain plants due to the climatic circumstances of the region. The Plant Hardiness Zone Map published by the USDA is responsible for standardizing planting zones in the United States.

On this map, the United States is broken into zones of ten degrees, each determined by the yearly lowest temperature on average. There are ten primary zones in the United States continental portion; Puerto Rico and Hawaii each have three extra zones. You can identify your planting zone by consulting the planting zone map. Be aware that you could be utilizing information that is no longer accurate if you study an older gardening book or magazine that refers to the USDA zone map.

The zone map was revised in 2012 to reflect improved data-gathering techniques for temperature between 1976 and 2005. However, it does not consider the changes in the climate that have taken place since 2005. Therefore, you will still need discretion when determining the appropriate time to set certain plants in the ground. Even though it was developed in the United States, this method of determining planting zones is used all over the globe.

In addition, the Royal Horticulture Society of the United Kingdom has developed its way. They apply their hardiness ratings to USDA zones six through thirteen, and they employ these zones. The lowest temperature that other nations experience throughout the winter may be used to determine their hardiness zone by comparing it to the map that the USDA has created. After you have identified the planting zone where you live, the next step is to decide what plants are appropriate for that zone.

Know your hardiness zone

The USDA Plant Hardiness Zone Map determines which plants will thrive in a given location. The map is constructed using data from each region’s average annual lowest winter temperatures and is separated into thirteen different zones of 10 degrees Fahrenheit, each further subdivided into subzones of 5 degrees Fahrenheit. The majority of plants that you purchase will have a hardiness zone number stamped on their tag. The label will specify the regions of the United States where the plant can flourish.

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How to make use of your hardiness/planting zone?

Because perennial plants are intended to survive for more than just one growing season, gardeners who grow them will find planting zones the most helpful gardening tool. Because perennials need to last the winter in your region, it is necessary to accurately understand how cold it generally gets there and whether or not a specific plant is hardy enough to endure those temperatures.

Perennial flowers, shrubs, and trees will thrive when planted in the correct zone and provide the most satisfactory results. You’ll discover that most winter damage happens when plants are grown in conditions outside their “comfort zone.” It is important to avoid picking plants that are just moderately hardy for your location when selecting plants for a garden or landscape. If you do this, you will observe winter damage, poor development, and a decline in blooming.

The best method to ensure a healthy garden is to populate it with plants that are local to the area. Native plants grow naturally in your region. Therefore, it is only natural that they would flourish in their native environment. When growing annual plants, such as most vegetables and certain flowers, it’s essential to pay special attention to specifics like growth season length and first and last frost dates. Planting zones are not necessary when dealing with annuals since they are only intended to survive for the duration of one growing season.

What is a planting calendar?

A planting calendar, often known as a planting timetable, provides information on when to plant several things throughout the year based on where you live. Most planting calendars use frost dates (the final spring frost and the first autumn frost), which offer direction on whether to sow seeds inside or outside, as well as when to place those seeds in the ground or transfer seedlings. In the following parts, you’ll learn how to use a planting calendar and decide what to plant and when to plant it.

When to start planting in the USA?

Your planting zone, the crop’s optimal season, and the period will dictate when to sow seeds. Planting should occur in most zones throughout the spring or early autumn. However, certain crops, such as potatoes and other tubers, are more resistant to the cold. In some regions, you may be able to keep these veggies alive throughout the winter if you cover them with mulch before the season’s first frost.

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Additionally, some fruits and vegetable plantings can occur in the summertime if they thrive in warm climates. If they haven’t already been opened, many seed packages provide hardiness zones, when to plant and harvest, and other essential growth information that may help you plan your planting schedule.

The time required to cultivate vegetables varies, but the process typically takes a few weeks and a few months to complete. Planting seeds as soon as possible is always the ideal option if your objective is to produce enough food to feed your family regularly and sustainably. If you pay attention to the instructions that come with the seed, you may ensure that you have the most extended growth season possible.

Vegetable planting calendar in the USA

For people who are in zones 1 to 6

Vegetables This long before planting, start plantsZone 1Zone 2Zone 3-4Zone 5-6Harvest time (in days)
CarrotsJan to JuneMarch to July 12Mid-April to mid-June Mar 25 to April 10,
Sep 15 to 30
70 to 80
CantaloupesFour weeksNot suitableMayMid-May to JuneMay 10 to 2075 to 90
Cabbage Six weeksJan – April, July – SepApr to JunApril to MayApr 1 to 25, Sep 20 to 3065 to 80
Brussel sproutsSix weeksMay to JunMay to JulyMid-April to June 1
BroccoliSix weeksMay to JunMar to AugMid-April to June 1Mar 25 to Apr, Sep 20 to 3060 to 80
BeetsMar to JuneMar to JuneMid-April to June 1Apr 1 to 1555 to 65
Snap beansMay to JunMay to JulyMid-May to July 1May 10 to 2050 to 60
Lima beansnot suitableMay to JuneMid-May to mid-JuneMay 10 to 2565 to 75
AsparagusOne yearMar to AprFeb to MarchApr 15 to May 1Apr 5 to 25
ArtichokesAug to OctAug to Nov
Kale May to JulMay to JulMid-April to mid-JulyMar 25 to Apr 550 to 70
GarlicSep to OctSep to FebOct to Nov 1
EndiveSix weeksMar to JulApril to mid-AugMid-April 
EggplantsNine weeksNot suitableMay Early JuneMay 15 to 2570 to 90
DillMay May
CucumbersFour weeksApril to JunMay to JunMay to mid-JunMay 10 to 3060 to 65
Sweet CornApr to MayApr to Jun80 to 100
Chives6 weeksApr to MayMar to May
Chinese cabbageFour weeksJul to AugAugEarly July
Chard Feb to MayApr to JulEarly may
Celery9 weeksMar to JunMar to JulyMid May
Cauliflower6 weeksJan and JunApr to mid-JulyMid-MayApr 1 to 20, Sep 20 to 3055 to 60
Sweet potatoes6 weeksNot suitableNot suitable Early JuneMid-May to June 590 to 150
Peppers10 weeksMay May to JuneEarly JuneMid-May to May 3065 to 80
PeasJan to AugFeb to MayApr 10 to mid-MayMar 20 to Apr 1060 to 80
ParsnipsMay to JuneApr to MayMay 1 to May 15
Parsley10 weeksDec to May Mar to JuneApr 15 to May 1
Onions10 weeksJan to MayMarch to MayMid-AprilMar 20 to mid-Apr, Sep 1 to Dec 31100 to 120
Okra8 weeksNot suitableNot suitableEarly JuneMay 10 to May 2555 to 60
Lettuce5 weeksFeb to JulyApr to JulyMid-April to mid-AugApr to mid-May, Sep 1 to 1560 to 85
LeeksFeb to AprMarch to May
KohlrabiJul to AugApr to Aug 15Mid-Apr to mid-JuneEarly Apr, Late Sep
Watermelons4 weeksNot suitablemayMid-May to June 1May 10 to 1280 to 90
TurnipsJan and AugApr to SepMid-April and early AugMarch 25 to May, Early Aug to Sep 2045 to 65
Tomatoes8 weeksMay to JunmayMay 15 to June 1May 15 to 3070 to 85
Summer squash4 weeksMay May to JunMay 10 to June 1Mid-May to 3050 to 55
Winter squash4 weeksmaymayMay 10 to early JunMid-May to 3085 to 90
SpinachAug to FebApril or SepMid-April,
Aug 1 to 15
Apr 1 to 20
Aug 10 to Sep 25
40 to 45
RutabagasJun to JulyJun to JulyMay 15 to June 15
RhubarbDec to JanMar to AprilMid-April to May 1
RadishYear-roundMar to SepApr 10 to Jun 1, Aug 1 to 15Mar 25 to May 1, Aug 1 to 2525 to 30
PumpkinsMay mayMid-Apr to June 1 May 15 to 3085 to 90
White potatoesFeb to MayApr to JunMid-Apr to mid-AugApr 1 to 1570 to 90

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For people who are in zone 6 to 10

Vegetables This long before planting, start plantsZone 5, 6Zone 7, 8Zone 9Zone 10Harvest time
CarrotsMar 25 to Apr 10, Sep 20 to 30Mid Jan to Mar 25,
Aug 20 to mid-Sep
Sep to MarOct to Mar70 to 80
Cantaloupes4 weeksMay 10 to 20Mar 25 to Apr 20Mar to AprFeb to Apr80 to 90
Cabbage 6 weeks Apr 1 to 20, Sep 20 to 30Mid-Jan to Mar 25,
Aug 20 to mid-Sep
Sep to FebSep to Jan65 to 90
Brussel sprouts6 weeksMid-Jan to mid-Mar, Mid Aug to Oct 1Sep to NovOct to Nov
Broccoli6 weeksMar 25 to Apr 5, Sep 25 to 30Mid-Feb to mid-Mar, Aug 1 to Sep 1Aug to FebAug to Jan60 to 80
BeetsApr 1 to 15Mid-Feb to mid-Mar, Aug 1 to Sep 1Sep to MarOct to Mar55 to 65
Snap beansMay 10 to 20Apr 1 to May 1,
Mid-July to Aug 10
Mar to Apr, Aug to SepFeb to Apr, Aug to Sep50 to 65
Lima beansMay 10 to 25Apr 1 to June 1Mar to AugFeb to Apr65 to 80
Asparagus1 yearApr 5 to 30Mid Jan to mid-Mar, Nov and Dec2nd season
Kale March 20 to Apr 5Feb 1 to Mar 10, Aug 15 to 30Sep to FebSep to Jan50 to 75
Garlic
Endive6 weeksFeb to Mar, SepJan to Feb, Sep
Eggplants9 weeksMay 15 to 25Apr to mid-May, July 10 to 15Feb to JulJan to Mar, Aug to Sep70 to 90
Dill
Cucumbers4 weeksMay 10 to 30Apr to mid-May, Aug 20 to Sep 1Feb to Apr, Aug to SepFeb to Mar, Sep60 to 70
Sweet CornMay 1 to Jul 20Mid-Feb to Apr 1,
Aug 1 to Sep 20
Mar to Apr, AugFeb to Mar, Aug to Sep80 to 100
Chives6 weeks
Chinese cabbage4 weeksOct to FebOct to Jan
Chard 
Celery9 weeksJan to MarAug to Feb
Cauliflower6 weeksApr 1 to 20, Sep 20 to 30Mar to Apr, Aug to SepJan to Feb, Aug to OctOct to Jan55 to 65
Sweet potatoes6 weeksMid-May to June 5Mid-Apr to mid-JunMar to JunFeb to Jun90 to 150
Peppers10 weeksMay 15 to 30Apr to JuneFeb to Apr, Jul to AugJan to Mar, Aug to Sep65 to 80
PeasMar 25 to Apr 10Mid-Jan to mid-FebMar to AugMar to Sep60 to 80
Parsnips
Parsley10 weeksSep to MarOct to Feb
Onions10 weeksMar 25 to mid-Apr, Sep 1 to Dec 31Jan to mid-Mar, Sep to DecSep to DecSep to Dec100 to 120
Okra8 weeksMay 10 to 25Apr to Jun, Mid-June to JulyMar to JulyMar to Aug55 to 65
Lettuce5 weeksApr to mid-May, Sep 1 to 15Mid-May to early June, June 1 to July 25Feb to Mar, Sep to OctSep to Mar60 to 90
LeeksSep to MarSep to Feb
KohlrabiEarly April, late SepSep to MarOct to Mar
Watermelons4 weeksMay 10 to 12Mar 25 to May 1Mar to Apr, July to AugJan to Mar, Aug80 to 90
TurnipsMar 25 to May 1, Aug 5 to Sep 20Mid-Jan to Mar 1, Sep to OctJan to Apr, Aug to OctJan to Mar, Sep to Oct45 to 70
Tomatoes8 weeksMay 15 to 30Mar 25 to May 5Feb to Apr, AugSep, Jan to Mar70 to 85
Summer squash4 weeksMay 15 to 30Apr to mid-May, Aug 1 to 15Mar to Apr, Aug to SepFeb to Mar, Aug to Sep50 to 60
Winter squash4 weeksMay 15 to 30Apr to AugMar to AugFeb to Mar, Aug85 to 90
SpinachApr 1 to 20, Aug 10 to Sep 20Mid Jan to mid-Mar, Sep to mid-OctOct to NovOct to Nov40 to 50
Rutabagas
Rhubarb
RadishMar 25 to May 1, Aug 1 to 20Mid Jan to Apr 1,Sep to mid-Oct25 to 30
PumpkinsMay 15 to 30Apr to AugMar to Apr, AugFeb to Mar, Aug85 to 90
White potatoesApr 1 to 15Mid Jan to MarJan to MarJan to Feb70 to 90

Conclusion 

Where you reside is the most critical factor when deciding when and what to plant. Use the planting calendar that works best for you when planning your garden. You can either give one of the ways that can be done online or with pen and paper a try, or you can come up with your own. Just remember that striving for perfection shouldn’t be at the expense of doing what’s good. Don’t allow the fact that you can’t accomplish everything you want to or that the time isn’t ideal to prevent you from trying to grow some vegetables.

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Keep in mind that cold will destroy most of the plants. In harsh winter areas, don’t plant too late. Now that you know when to start your vegetables choose the best time to start your vegetables. Start planting vegetables in your backyard, balcony, containers, or any other place and take care of them. In no time, you will get a healthy and quality bountiful harvest. Cheers to the vegetables and fruits that resulted from your hard work! And now you also know that gardening is fun.

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