How Cold Can Pansies Tolerate?

Pansies can tolerate temperatures as low as 26°f (-3°c) before they can no longer survive. Pansies are popular cool-season bedding plants that produce colourful flowers that range from yellow to blue to purple, and sometimes even white.

They’re often used for gardens or pots, with some gardeners growing them as annuals and others as perennials. Pansies are known for being cold-hardy, but the amount of cold that they can tolerate varies depending on the species and variety. In this article, we’ll discuss how cold pansies can tolerate, as well as tips on how to protect them during a cold snap. Whether you’re a seasoned gardener or just starting, having the right knowledge will ensure your pansies thrive in the colder months.

How Cold Can Pansies Tolerate?


Factors Affecting Pansy Cold Tolerance

Pansies are lovely cold-hardy plants that bring a burst of color to gardens and landscapes during chilly months. They are a favorite among gardeners who want pretty flowers during winter. If you’re thinking of planting pansies, you may be wondering how much cold they can tolerate.

This article will explore the factors that affect pansy cold tolerance.

Genetic Makeup Of The Plant

The genetic makeup of pansies plays a crucial role in their cold tolerance. Pansies that have been bred for colder climates are generally hardier than those bred for warmer areas.

  • Flower size: smaller flowers typically handle colder temperatures better than large ones.
  • Stem length: shorter stems usually cope better with cold weather than longer ones.
  • Leaf texture: thick, leathery leaves can endure colder temperatures than thin ones.
  • Variety: some pansy varieties are naturally cold-hardy and can withstand temperatures as low as 5°f (-15°c).

Environmental Factors

Apart from genetics, environmental conditions also influence pansy cold tolerance. Understanding these factors can help you create the ideal conditions for your pansies to thrive.

  • Soil moisture: pansies require well-draining soil. Soggy or waterlogged soil can make them more prone to cold damage.
  • Sun exposure: pansies need ample sunlight to photosynthesize and develop robust stems and flowers. However, too much sun exposure during winter can cause drying and scorching of foliage.
  • Air temperature: pansies can handle temperatures as low as 15°f (-9°c). However, if the temperature drops below this threshold, they may suffer cold damage. Frost, in particular, can damage pansy foliage and flowers.
  • Wind exposure: cold winds can cause dehydration and damage to pansy foliage.
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Pansy cold tolerance is influenced by multiple factors, including genetics and environmental conditions. By understanding these key factors, gardeners can create an optimal environment for their pansies to thrive. When planting pansies, it’s important to consider these factors and make necessary adjustments to ensure healthy growth.

Understanding Pansy Hardiness Zones

Pansies are beautiful, herbaceous garden plants that flourish in cool climates across the united states. They are known to be hardy and can tolerate some amount of cold weather, but how much cold can they actually withstand? This blog post aims to discuss pansy hardiness zones and help readers understand how to determine the hardiness zone of their garden to ensure their pansies thrive.

Explanation Of Hardiness Zones

Hardiness zones refer to geographic regions determined by the average minimum temperature in a location during winter. The united states department of agriculture (usda) establishes these zones based on reliable observations of the climate records. Each zone has a different temperature range that is used to grow different types of plants.

Different Zones Across The United States

The united states is divided into 13 different hardiness zones ranging from 1a to 13b. Zone 1a has the coldest temperature range compared to zone 13b, which has the warmest. Pansies can tolerate cold weather, and they grow well in zones 4 to 8, which have a temperature range that lies between minus 40 degrees fahrenheit in zone 4a to 20 degrees fahrenheit in zone 8b.

Determining The Hardiness Zone Of Your Garden

To know which hardiness zone your garden falls under, you can enter your zip code on the usda website and check the interactive map. Once you have determined your zone, it is easier to choose the type of plants that grow best in your area.

This way, you can avoid choosing plants that do not thrive in your location and instead select varieties perfect for your garden’s climate.

Understanding hardiness zones is crucial when it comes to planting pansies. By determining your garden’s hardiness zone, you can choose the type of plants that are better suited for your area, ensuring they thrive and flourish beautifully.

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What low temperature can pansies tolerate?

Tips For Protecting Pansies From Cold

Pansies are a popular choice for gardeners because of their hardy nature, but they still need protection from frosty conditions. The temperature that pansies can tolerate varies, depending on the variety and growing conditions. However, generally, they can survive temperatures as low as the mid-20s for a short period.

Here are some tips to help protect your pansies from the cold.

Covering Pansies With Mulch Or Straw

  • Spread a layer of mulch or straw over the bed of your pansies before the onset of cold weather.
  • Using straw or mulch will provide insulation to the pansies and help to retain heat in the soil.
  • Be sure to cover the entire bed and use a thick enough layer to provide insulation for the roots.

Using Frost Cloths Or Blankets

  • Frost cloths or blankets can help protect pansies against frost and cold winds.
  • These cloths and blankets are made from lightweight materials that allow air and water to reach the plants while protecting them from the cold.
  • It’s best to set up the frost cloths or blankets before freezing temperatures set in as it can be challenging to protect plants after exposure to low temperatures.

Watering Pansies Before A Freeze

  • Water your pansies thoroughly when you know a freeze is expected.
  • The moist soil will help to insulate the roots of the pansies and can mitigate the effects of extreme cold.
  • Be careful not to overwater the pansies. If the soil is too wet and the temperature drops dramatically, the roots could freeze.

Potting Pansies To Bring Indoors During Extreme Cold

  • Consider potting your pansies to bring them inside during extreme cold.
  • Select a pot that is big enough to accommodate the root structures and provide enough space for the pansies to grow.
  • Place the pot in an area of your home with bright, indirect light, and protect it from drafts.

By following these tips, you can help protect your pansies from the cold and keep them thriving. Remember to monitor the weather conditions and take necessary precautions to keep your plants healthy.

Pansy Varieties With High Cold Tolerance

Pansies are gorgeous and versatile flowers that adorn gardens in various regions of the world. While pansies thrive in chilly weather, gardeners still wonder about their ability to endure extreme cold. Luckily, some pansy varieties have proven their exceptional resistance to frosty temperatures.

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Let’s explore pansy varieties with high cold tolerance.

Description Of Pansy Varieties Known For Their Cold Tolerance

Pansy varieties that can endure low temperatures and even frost are about as close to winter-perfect pansies as we can get.

  • delta series: these flowers are a popular choice. They typically bloom in bright hues and have a large blossom size.
  • winter flowering series: these are popular in colder climates. They are small size flowers that thrive in low light conditions.
  • crown series: they come in a wide range of colors and bloom in spring and fall.
  • hibernica series: these pansies are exceptionally cold-tolerant, with strong stems that improve their durability in harsh weather.

Benefits And Drawbacks Of Choosing A Cold-Tolerant Variety

Choosing a cold-tolerant variety of pansy comes with several benefits and drawbacks, including:


  • Cold-tolerant varieties are ideal for regions with long winters, as they can withstand temperatures as low as twenty degrees.
  • These pansies can continue to flower throughout the winter, which can add a beautiful touch of color to your garden.
  • They are hardy and pest-resistant.


  • Cold-tolerant pansy varieties typically produce smaller flowers with less brightness and fewer blooms.
  • Maintenance is critical; if not adequately cared for, these flowers may bloom erratically or fail to bloom at all.

Tips For Successful Growth And Care Of These Pansy Varieties

If you’re thinking of planting pansy varieties with high cold tolerance, consider following these tips for successful growth and care:

  • Plant in a location that receives plenty of sunlight, even during the winter months.
  • Use well-draining soil and add a slow-release fertilizer before planting.
  • Do not overwater the plants, as this can lead to root rot.
  • During snow and frost, lightly brush off any weight from the blooms to prevent the stems from breaking.
  • Remove dead flowers to encourage new growth.
  • Inject a balanced liquid fertilizer every two weeks to promote continuous blooming.

Pansy varieties with high cold tolerance are an excellent choice for gardeners in regions with long winters. They come in several color variations and are proven to thrive in intensely chilly weather. By following the tips provided above, your winter garden will burst with colorful pansies.


As we come to the end of our exploration on how cold can pansies tolerate, we can conclude that pansies indeed are sturdy cold-tolerant plants. With proper care and attention, they can withstand temperatures as low as 5°f (-15°c) and still bloom beautifully.

Although pansies are rugged and resilient plants, gardeners should be mindful of the temperature fluctuations and exposure to extreme cold. Ensuring that your pansies are planted in well-draining soil, lightly fertilized, and adequately hydrated can enhance their cold tolerance. Remember to provide protection from harsh winter elements like frost, snow, and ice by covering them with a cloth or mulch.

Pansies are perfect for adding vibrant colors to your winter landscape, and with these tips, you can enjoy them thriving throughout the colder months. Happy planting!