When To Plant Cherry Tomatoes

The best time to plant cherry tomatoes is in the late spring, after the last frost has passed and the soil has warmed to at least 60°F.
 
If you plant cherry tomatoes too early, a surprise frost can kill your young plants instantly.
 
So, knowing when to plant cherry tomatoes in your specific region is the single most important step for a successful harvest.
 
In this post, we’ll break down the exact timing for planting cherry tomatoes, how to check your soil temperature, and what to do if you missed the ideal window.
 
We’ll also cover the best months for different climates so you can enjoy a bumper crop of these sweet, bite-sized treats.
 
Let’s dig into the details of when to plant cherry tomatoes and get your garden off to the perfect start.
 

When to Plant Cherry Tomatoes: The Golden Rule

When to plant cherry tomatoes really comes down to two main factors: your local frost date and the soil temperature.
 
You should aim to plant cherry tomatoes outdoors roughly two weeks after your area’s average last spring frost date.
 
This two-week buffer ensures that the unpredictable late-season chills are behind you.
 
Additionally, cherry tomatoes are heat-loving plants, so they won’t grow well in cold, damp soil.
 
Let’s break down the specific conditions you need to look for before transplanting your seedlings.
 

1. Soil Temperature Is the Real Key

Many gardeners focus only on air temperature, but the soil is what really tells you when to plant cherry tomatoes.
 
Cherry tomatoes need the soil to be consistently warm, at least 60°F, but ideally closer to 70°F for vigorous root growth.
 
You can easily check this with a simple soil thermometer, which you can buy at any garden center.
 
If the soil is too cold, your cherry tomato plants will sit there, sulk, and may even develop root rot.
 
So, before you even think about planting cherry tomatoes, stick that thermometer in the ground at a depth of about 4 inches.
 

2. Nighttime Air Temperatures Matter

While soil warmth is crucial, nighttime air temperatures are just as important for when to plant cherry tomatoes.
 
You want to plant cherry tomatoes only when nighttime lows are consistently above 50°F.
 
If the temperature dips below 50°F, the plant’s growth will stall, and the leaves might curl up.
 
If you get a frost warning after planting, be ready to cover your plants with a frost cloth or an old bedsheet overnight.
 
This simple step can save your plants if you jump the gun by a week or two.
 

3. The Classic Calendar Guide

For most gardeners in the Northern Hemisphere, the sweet spot for when to plant cherry tomatoes is between mid-April and mid-May.
 
If you live in a warmer climate like the southern US, you might even be able to start planting cherry tomatoes in late March.
 
Conversely, if you’re in a colder northern state like Minnesota or Maine, you might have to wait until late May or even early June.
 
The best approach is to look up your specific zip code’s frost date online through your local extension office.
 
Once you know that date, just add two weeks, and that is the ideal time to plant cherry tomatoes in your backyard.
 

Starting Seeds Indoors: Getting a Head Start

If you want to get a jump on the season, knowing when to plant cherry tomatoes also involves starting seeds indoors.
 
You should start your cherry tomato seeds indoors about 6 to 8 weeks before your last expected frost date.
 
This is the perfect time to plant cherry tomatoes in seed trays because they will be strong, sturdy seedlings by the time they go outside.
 
For example, if your last frost is May 1st, you should sow your seeds around mid-March.
 
This indoor period allows the plants to develop their first true leaves and a robust root system.
 

1. The Hardening-Off Process

Just knowing when to plant cherry tomatoes isn’t enough; you also have to prepare them for the outdoors.
 
About a week before you plan to transplant, you need to start the hardening-off process.
 
This means gradually introducing your indoor seedlings to the outdoor sun, wind, and temperature fluctuations.
 
Start by placing them outside in a shady, sheltered spot for just one hour on the first day.
 
Then, add an extra hour or two each day, slowly moving them into more direct sunlight as the week goes on.
 
Skipping this step is a huge mistake because the sun’s UV rays can scorch your leaves instantly, even if you planted them at the right time.
 

2. Watching the Forecast

Even if you’ve counted the weeks perfectly, always keep an eye on the extended weather forecast.
 
Sometimes, a freak cold snap can roll in, which would mean you should delay when you plant cherry tomatoes into the ground.
 
If you see a cold front coming, just keep your seedlings indoors for a few more days until the temperature stabilizes.
 
Patience is your best friend here, as a few extra days of waiting will not hurt your harvest.
 
But planting cherry tomatoes too early in a cold snap can set you back by a month or more.
 

What If You Miss the Ideal Window?

Don’t panic if you missed the prime time to plant cherry tomatoes in your region.
 
You can still plant cherry tomatoes successfully in the early summer, as long as you water them diligently.
 
Cherry tomatoes are incredibly resilient and will quickly catch up if they have enough heat and sunlight.
 
In fact, planting cherry tomatoes in early June is totally fine for most zones, though you’ll just harvest a little later in the fall.
 
Just make sure you choose a smaller, early-maturing variety if you are planting later in the season.
 

1. Consider a Fall Planting

In warmer southern climates, you actually have a second chance to plant cherry tomatoes in late July or August for a fall harvest.
 
These fall crops often taste sweeter because the cooler nights help concentrate the sugars in the fruit.
 
So, if you missed the spring planting window, research your region’s fall planting dates for cherry tomatoes.
 
You’ll find that the heat of late summer is perfect for germination, and the mild fall weather is ideal for fruit set.
 
This trick allows you to enjoy fresh cherry tomatoes long after your neighbors have pulled up their plants.
 

2. Container Growing Flexibility

If you’re growing in pots, you have a bit more flexibility with when to plant cherry tomatoes.
 
Containers heat up much faster than garden beds, which means you can safely plant them a few weeks earlier.
 
Conversely, if a late frost threatens, you can simply move your pots into a garage or against the house for protection.
 
This allows you to paint within the lines of the planting calendar without as much risk.
 

So, When to Plant Cherry Tomatoes?

So, when to plant cherry tomatoes? The answer is that you should plant cherry tomatoes in the late spring, about two weeks after the last frost.
 
However, the absolute best time to plant cherry tomatoes is when the soil hits 60°F and nighttime temperatures stay above 50°F.
 
If you’re starting from seed, that means working backward about 6-8 weeks for your indoor sowing.
 
The key is to be patient and to prioritize soil warmth over just the calendar date.
 
If you follow these guidelines, you’ll give your cherry tomato plants the best possible start for a long, productive season.
 
Happy planting, and get ready for the sweetest homegrown tomatoes you’ve ever tasted.