Can Pansies Survive 90 Degree Weather?

Pansies are a type of flowering plant that thrive in cooler climates, but can tolerate a little bit of heat as well as cold temperatures with the right care practices in place. But, can pansies survive extreme temperatures like 90 degrees? This article will discuss the temperature tolerance of pansies in hot weather, their care requirements, and how to protect them from extreme temperatures so they remain healthy and beautiful in any climate!

Temperature Tolerance of Pansies

Pansies experience considerable heat stress at average daily temperatures, or a 24-hour average temperature, above 80°F, however, pansies can continue to photosynthesize and grow at mid-day temperatures greater than 90°F. This means that while they may not thrive in these conditions, they are able to survive them if given proper care practices in place to protect them from the stress associated with high temperatures like those found during the summer months in many parts of the world.

Care Requirements for Pansies in Hot Weather

In order to help your pansy plants survive high temperatures like those found during summer months, there are certain care requirements you need to follow:

  • Watering: It is important to water your pansy plants regularly during hot weather – this will help keep their soil cool and moist which is essential for their survival during extreme temperatures like 90 degrees Fahrenheit or higher!
  • Fertilizing: Fertilizing your pansy plants during hot weather is also important – this will help replenish any nutrients lost due to excessive heat or lack of water/moisture in their soil which can be detrimental to their growth and health!
  • Mulching: Adding mulch around your pansy plants will help retain moisture near their roots which is essential during hot weather – this will also help keep the soil temperature cooler which is beneficial for their survival!
  • Shade and Sun Protection Strategies: Providing your pansy plants with some shade during periods when the sun is especially strong can help protect them from extreme heat – this could be done by building a simple shade structure or using an umbrella over your plants on particularly hot days! Additionally, using reflective materials near your plants such as aluminum foil or white plastic can also help reflect some of the sun’s rays away from them so they don’t get too hot! *
  • Soil Amendments: Adding soil amendments such as compost or manure can increase the amount of organic matter present which helps retain moisture better than regular soil – this can help keep your pansy plants cool even when it’s very hot outside!
  • Variety selection: It is important to choose varieties that are specifically bred to be heat tolerant – many nurseries carry varieties specifically designed for warm climates so make sure you do some research before buying one!
  • Transplant Shock: Transplant shock is more likely when planting in hot weather so take extra care when planting new flowers – make sure you water them regularly until they become established and use mulch around their roots for added protection against extreme heat!
  • Pruning Practices: Pruning your pansy plants during hot weather should be done carefully as it can cause additional stress on the plant if done too aggressively – make sure you only remove dead or damaged leaves/stems and avoid pruning too much away from a single plant at once! Additionally, it’s important to keep an eye out for pests/diseases affecting your pansy plants as these can spread quickly when conditions are ideal (e.g., warm and humid). Make sure you take steps to prevent them (e.g., using natural insecticides) if necessary!


Pansies have a relatively good tolerance for high temperatures but still require special care practices such as regular watering, mulching, shade protection strategies, choosing varieties that are designed for warm climates etc., if they are going to survive extreme heat like 90°F or higher without experiencing significant damage or death due to heat stress/drought conditions etc. With proper planning and preparation, however, it is possible for these delicate flowers to thrive even in extremely hot climates!

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