Can Marigolds Survive Frost?

Marigolds are a popular plant that’s known for their bright, vibrant flowers. They can be planted to add color to your garden, but they can also be used as a natural insect repellent. If you’re wondering if marigolds can survive frost, read on!

Can Marigolds Survive Frost?

Marigolds are hardy plants that can survive frost. However, they will not survive the hard freeze of winter. Marigolds will die when the temperature drops below 32 degrees Fahrenheit.

If you live in an area that gets regular snowfall, your marigolds would survive a light frost. If it’s just a light frost and you have enough soil depth to cover your plants with mulch or compost (it’s recommended to bury most annuals at least 6 inches deep), then there is no reason why they shouldn’t survive.

How Tolerant Are Marigolds To Cold Weather

Marigolds are not very cold tolerant, but they can survive cold weather if the temperature is moderate. Marigolds grow best in climates where winter temperatures are between 35 and 60 degrees Fahrenheit. However, marigolds can tolerate temperatures down to 25 degrees Fahrenheit with some protection from the cold.

If you live in a colder climate or have already experienced frost, your marigold plants may need some extra help to survive through the winter months. Although it is possible for a few sporadic flowers and leaves to appear on your plants during this time of year, it’s safe to say that your plant will not grow well and probably won’t bloom again until spring arrives once more.

How To Protect Your Marigolds From Frost

There are several ways to protect your marigolds from frost. Below are what you can do:

Plant them in the fall. Marigolds, like many flowers, will grow well throughout the winter if planted early in the season. If you live somewhere that doesn’t get very cold weather and has a mild winter climate (think Southern California), planting your marigold beds in September or October is a good idea so they have time to establish themselves before winter hits.

Plant them in containers and take them inside during cold spells. This method works best if you plan on growing your own marigolds from seed—you can start sowing your seeds immediately after they sprout up through the soil and then transplant those seedlings when they reach maturity around late summer or early fall.

Then just keep them indoors until spring rolls around again! If you don’t want to go through all that trouble, just scatter some seeds into containers or pots that are large enough to accommodate their roots (a couple of inches deep), and cover them with soil and water well before putting them outside where they’ll be safe from frosty nights until spring comes back around again next year!

Caring For Marigolds During The Winter

You can overwinter marigolds by storing the plants in a spot with cool temperatures, but not freezing conditions. The ideal temperature range is between 40 and 50 degrees Fahrenheit. If you’re storing your marigolds outside during the summer, they should be able to withstand frosty nights without any problem. However, if your plants are indoors, it’s better to make sure that they don’t get too cold during the winter months by bringing them inside when temperatures drop below freezing.

In addition to keeping an eye on temperature levels in your home or garden shed where you’re keeping your plant stash over the winter months, it’s also important that you water these hardy flowers infrequently (once every two weeks) but deeply at each watering session so as not to rot their roots from lack of moisture or cause them any other damage from being too wet for too long at once.

What Temperatures Will Kill Marigolds?

Marigolds are a popular garden flower that can withstand temperatures as low as -20 degrees Fahrenheit—but only if they’re in the ground.

Marigold plants that are planted in pots or containers will not survive temperatures below 32 degrees Fahrenheit. If you want to grow marigolds in your garden, be sure to plant them in the ground where they can tap into the earth’s natural heat and avoid freezing.

Can I overwinter Marigolds?

If you have a small space and want to continue enjoying the bright colors of marigolds, but don’t wish to plant them in the ground during winter, you can grow them in containers indoors. In this way, they will become houseplants rather than landscape plants.

It’s quite easy to overwinter marigolds at home if you follow these steps:

Step 1: Choose an appropriate pot for your plant; the size should allow room for growth.

Step 2: Fill it with quality soil that drains easily so that water won’t collect inside and cause root rot or other problems—choose something light-colored rather than black or dark brown so light can reach down into it more easily when watering from above necessary.

If frequent watering isn’t needed then choose something heavier like clay instead of sand because it doesn’t need as much attention as sandy soils do (they tend towards being drier).

A good medium would be peat moss mixed with some composted manure or compost itself since it will help retain moisture while also helping provide nutrients that are essential for healthy growth throughout winter months when daylight hours are shorter than summer ones!

Should You Cut Off Dead Marigolds?

When your marigold plants won’t survive a frost, it’s time to cut them off. This will allow the plant to use its energy elsewhere and grow new buds. You can compost the dead plants or put them in your green waste bin. If you’re feeling ambitious, you can even make tea out of them! We recommend removing any dead flowers first because they won’t be as tasty as fresh ones.

When cutting off the stems of marigolds, make sure you also cut off any leaves that have died so that insects don’t start living on them after hours or days spent decomposing at room temperature inside your home.


If you want to keep your marigolds but they’ve been damaged by frost, there are ways to help them recover. The best thing you can do is cover them with a blanket or cloth and bring the temperature inside up as much as possible. You should also make sure that they have enough water so that the soil won’t dry out completely over time. If any of your plants have been killed by freezing temperatures (or if it looks like they will be), then just remove them from their pots before throwing them out so nothing else gets infected too!