Foliar Garden

What is the Lowest Temperature for Vegetable Plants

The lowest temperature for vegetable plants is -15 degrees Celsius. At this temperature, the plants will start to experience frost damage and may die if the temperature remains low for an extended period of time.

The lowest temperature for vegetable plants can be anywhere from -4 to 32 degrees Fahrenheit, depending on the type of plant. Some plants, such as tomatoes and peppers, can withstand temperatures as low as -4 degrees, while others, such as cabbage and spinach, need it to be at least 32 degrees outside for them to grow properly. In general, most vegetables will do best if the temperature is between 60 and 70 degrees Fahrenheit.

However, there are always exceptions to this rule; for example, potatoes actually prefer cooler weather and will often rot if they are grown in too warm of an environment.

What is the Lowest Temperature for Vegetable Plants


Is 40 Degrees Too Cold for Vegetable Plants?

40 degrees is too cold for most vegetable plants. The exception to this rule are vegetables in the cabbage family, which can tolerate colder temperatures. If you’re thinking about planting vegetables in your garden, wait until the weather warms up a bit before putting them in the ground.

What Temperature is Safe for Vegetable Plants?

When it comes to the temperature that is safe for vegetable plants, there are a few things to keep in mind. First of all, different vegetables have different ideal temperatures. For example, cool weather crops like spinach and lettuce prefer temperatures around 60-70 degrees Fahrenheit, while warm weather crops like tomatoes and peppers prefer temperatures around 80-85 degrees Fahrenheit.

That being said, most vegetables will be just fine within a range of about 10 degrees on either side of their ideal temperature – so even if it’s a little warmer or cooler than what they ideally prefer, your veggies should still do just fine. Of course, there are always exceptions to the rule. If it gets too hot (above 95 degrees Fahrenheit), certain vegetables will start to bolt – meaning they’ll go to seed and stop producing fruit or edible leaves.

Once a plant has started bolting, there’s no going back, so you’ll want to avoid this if at all possible. Additionally, extended periods of very cold weather (below freezing) can damage or kill many vegetable plants – so if you live in an area with cold winters, you’ll need to take extra care to protect your plants from the elements. In general though, as long as you keep an eye on the forecast and take steps to protect your plants from extremes of heat or cold when necessary, they should do just fine!

What Vegetables Can Grow in 40 Degree Weather?

Some vegetables that can grow in 40 degree weather are broccoli, cabbage, cauliflower, kale, and spinach. These vegetables are known as cool-season crops because they can tolerate cooler temperatures. Some other vegetables that can also grow in cooler weather include peas, potatoes, carrots, and onions.

Should I Cover My Plants at 39 Degrees?

No, you don’t need to cover your plants at 39 degrees. This temperature is not low enough to damage most plants. In fact, many plants thrive in temperatures around 40 degrees.

However, if you have delicate plants or are concerned about the cold, you can cover them with a light cloth or plastic sheeting to protect them from the elements.

10 Frost Resistant Vegetables to Grow in Winter

What Vegetables Can Survive a Freeze

As the temperature starts to drop, many gardeners start to worry about their plants. Will they be able to survive the cold weather? Some vegetables are more tolerant to cold than others and can actually benefit from a light freeze.

Here are some vegetables that can survive a freeze: -Brussels sprouts -Cabbage

-Carrots -Kale -Parsnips

-Turnips These vegetables can withstand temperatures as low as 28 degrees Fahrenheit. A hard freeze, however, is another story.

Temperatures below 28 degrees for an extended period of time can damage these plants. If you live in an area where hard freezes are common, you may want to consider covering your plants with straw or burlap to protect them from the cold.

Lowest Temperature for Outdoor Plants

In the winter, when the temperatures outdoors are low, you may wonder what is the lowest temperature for outdoor plants? The answer depends on the type of plant. For most plants, as long as the temperature is above freezing, they will be fine.

However, some plants are more sensitive to cold and need to be protected when the temperature dips below freezing. If you are not sure whether your plant is frost-sensitive, check with your local nursery or gardening center. When choosing a spot for your plant, make sure to consider its sunlight and water needs.

Some plants need full sun while others prefer partial shade. And make sure there is a water source nearby so your plant can get the hydration it needs.

Frost Tolerant Vegetables Spring

It’s that time of year again! The days are getting longer, the weather is getting warmer, and your garden is begging to be planted. If you’re like me, you can’t wait to get your hands in the dirt and start growing some delicious vegetables.

But before you start planting, it’s important to know which vegetables are frost tolerant. That way, you can avoid any disappointment when those first frosty nights roll around. Here are a few of my favorite frost tolerant vegetables:

– Broccoli: This hardy vegetable can withstand temperatures as low as 20 degrees Fahrenheit. So if we do get a late spring frost, your broccoli will be just fine. – Cauliflower: Another member of the Brassica family, cauliflower is also quite tolerant of cold temperatures.

You can expect it to survive down to about 20 degrees Fahrenheit. – Kale: Kale is one of the most nutrient-dense vegetables around, and it’s also quite tolerant of cold weather. It can handle temperatures down to 20 degrees Fahrenheit without any problems.

– Spinach: Spinach is another cool weather crop that does well in chilly temperatures. It can tolerate lows down to about 15 degrees Fahrenheit before suffering any damage.

What Temperature Can Cauliflower Tolerate

Cauliflower thrives in cool weather and can tolerate temperatures as low as 40°F (4.4°C). However, it is a sensitive plant and will bolt to seed if exposed to temperatures above 80°F (26.7°C) for more than ten days in a row. For this reason, cauliflower is typically planted in the spring or fall in most regions.

At What Temperature Should You Cover Your Plants at Night

If you’re like most gardeners, you probably have a few plants that are particularly susceptible to cold damage. Maybe you have a delicate tropical plant that can’t tolerate even a light frost, or perhaps your tomatoes start to show signs of distress when the temperature dips below 50 degrees Fahrenheit. Whatever the case may be, it’s important to know how to protect your plants from the cold.

One way to do this is by covering them at night. But what is the best temperature for covering plants? As a general rule of thumb, you should cover your plants when the temperature is forecast to dip below 50 degrees Fahrenheit.

However, there are some exceptions to this rule. If you have very delicate plants, such as impatiens or begonias, it’s best to err on the side of caution and cover them up when the temperature is forecast to dip below 45 degrees Fahrenheit. On the other hand, if you’re growing hardy vegetables like kale or Brussels sprouts, they can handle temperatures down into the low 40s without any problem.

So in these cases, there’s no need to cover them up unless it’s going to be extremely cold (below freezing). In addition to using covers as protection from low temperatures, you can also use them as protection from high winds. If wind speeds are forecast to be over 20 miles per hour, it’s a good idea to cover up your plants so they don’t get damaged by the wind.

This is especially important for fragile plants like impatiens and begonias which can easily be broken by strong gusts of wind. So remember: when in doubt, always err on the side of caution and cover up your plants at night!

Should I Cover My Plants at 45 Degrees

As the temperature starts to drop, you may be wondering if you need to take steps to protect your plants. After all, they can’t exactly bundle up in a coat! So, should you cover your plants at 45 degrees?

The short answer is: it depends. If you have delicate plants that are susceptible to frost damage, then covering them at night when the temperature dips below 45 degrees is a good idea. You can use sheets, blankets, or even plastic tarps to create a makeshift “greenhouse” for your plants.

Just be sure to remove the coverings during the day so your plants don’t overheat. On the other hand, if you have hardy plants that can withstand some cold weather, then they likely don’t need to be covered at 45 degrees. In fact, many plants benefit from a little bit of cold weather exposure – it helps them toughen up and become more resistant to future stressors (including harsh winters).

So unless you have tender seedlings or flowers that are just starting to bloom, chances are your plant will be just fine without a cozy blanket at night.

How Cold Can Cabbage Tolerate

Cabbage is a cool weather crop that can tolerate frost and even some snow. In fact, cabbage is one of the few vegetables that actually gets sweeter after being exposed to cold temperatures. So, how cold can cabbage tolerate?

Generally speaking, cabbage can withstand temperatures as low as 20 degrees Fahrenheit. However, prolonged exposure to freezing temperatures can damage the leaves and cause the plant to stop growing. If you live in an area with very cold winters, it’s best to grow cabbage in a greenhouse or protected outdoor space.

Assuming your cabbage is properly protected from the cold, it will continue to grow and produce delicious heads of crunchy greens all winter long!


The lowest temperature for vegetable plants is 32 degrees Fahrenheit. At this temperature, the plants will not be able to grow and will eventually die. The soil will also freeze, making it difficult for the roots to absorb nutrients.