Valued for its bold green vegetation, clean white spathes on tall stalks and also capacity to withstand low light, peace lily (Spathiphyllum hybrid) is a trusted houseplant. Belonging to exotic locations of Central America, Malaysia as well as the Philippines, cultivated peace lilies are crossbreeds, as well as more than 30 called cultivars exist.

It is too cold for a peace lily below the temperature of 40 degrees farenheit. While an extremely hardy plant it is best to keep these plants in a temperature between 40 and 100 degrees farenheit. The ideal temperature in which the peace lily will thrive is between 68 to 85 degrees farenheit.

How cold is too cold for a peace lily?

Damage from the chill

Not only is peace lily harmed or killed by freezing temperature levels, it is additionally conscious chilling temperatures above freezing. Although the plant has actually long been believed to be fairly resistant to cooler temperatures compared to various other exotic foliage plants, a study by members of the University of Florida’s Environmental Horticulture department revealed that peace lily can be harmed by temperatures from just over 32 degrees Fahrenheit to 59 levels Fahrenheit. The quantity of damages plants experienced depended upon the size of the plant, the maturity of the fallen leaves and also the amount and duration of the cold.

What kind of damage from the cold?

When revealed to 38 degrees Fahrenheit, chilling injury revealed within 24 hours for a small cultivar and within 5 days for a larger one in the University of Florida research study. The damages began at the fallen leave tips as well as spread inwardly, with soft, brownish areas turning black and afterwards drying up. Mature fallen leaves suffered greater than younger leaves. Some plants passed away. The level of damages depended upon the cultivar. Furthermore, extended exposure caused higher damage. Peace lilies treated with 45 level Fahrenheit temperatures likewise revealed damage, but less than that of the plants given colder temperatures. The cultivars “Annette” and “Debbie” revealed one of the most resistance to chilly damage, with “Viscount” and also “Classic Viscount” revealing intermediate resistance.

Slowing of growth in the cold

Peace lilies subjected to 52 level Fahrenheit temperature levels for five to 10 days really did not reveal any type of noticeable damage, yet they were still impacted by the cold in the University of Florida research. Their development price slowed appreciably for as long as 45 days regardless of having ideal temperature levels as well as nourishment adhering to the cool direct exposure. As a whole, peace lily makes it through at temperatures in between 40 as well as 100 degrees Fahrenheit, however, for best development, maintain your peace lily in between 68 and also 85 levels Fahrenheit during the daytime as well as 10 levels cooler in the evening.

Growing in the Cold

In addition to protecting peace lilies from low temperature levels, avoid putting them in direct sunshine. These plants additionally prefer a somewhat potbound condition. A quality houseplant mix containing peat moss, bark and also sand is suitable for peace lily pots. Keep the plants wet yet not soggy, as well as let the soil to completely dry between waterings. Permit the water to sit for a few hrs so that chlorine evaporates and the liquid reaches room temperature prior to you water the plant. Brown fallen leave suggestions can indicate the humidity is too reduced. Area the peace lily pot on a pebble tray or haze it occasionally to elevate the moisture. It will certainly compensate you by assisting to get rid of pollutants such as formaldehyde, benzene and carbon monoxide gas from the air.

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