go along your lettuce well-chosen is not just about the soil or the weewee — it ’s also a matter of temperature .

This popular salad virtuoso prefers it cool , but what happens when the summer Lord’s Day comes knocking ? How much heat is too much heating for lettuce ?

This is a question that often result many gardener expunge their heads . If you ’ve found yourself reflect over this , then you ’re in the right spot .

Lettuce in Garden

We ’re about to take a abstruse prima donna into the world of shekels and temperature , explore the optimum condition that ensure we maintain the snappy , fresh character we all have sex in our salad .

Ideal Temperature Range for Lettuce Growth

Lettuce is a coolheaded - weather crop that thrive in specific temperature range . To assure optimum growth and a healthy harvest home , it ’s essential to reckon both daytime and nighttime temperatures .

Daytime Temperatures

During the day , lettuce grows good in a temperature range of about 45 to 75 ° F .

It ’s important to note that temperatures over70 ° Fcan make lettuce to start   bolt , which means the works bulge out to produce flower shoot and the leaves may become vitriolic to taste .

Nighttime Temperatures

Nighttime temperature also roleplay a life-sustaining function in loot growing . Ideally , Night should be cool , as dough can brook a few sidereal day of temperature from 80 to 85 ° F if the nights are coolheaded enough .

gelt seeds will germinate at 35 ° F , but the   optimal germination   temperature is70 to 75 ° F .

moreover , decently harden lettuce industrial plant can withstand freezing temperatures for short menstruum of clock time .

Mature lettuce plants in raised garden bed, ready to harvest. A variety of beautiful organic large green curled salad heads in daylight.

By maintaining the appropriate daylight and nighttime temperature , nurseryman can ensure that their lettuce plants grow intelligent and allow for a delectable and giving harvest .

Effects of High Temperatures on Lettuce

Lettuce is a nerveless - weather condition crop and can face challenge when exposed to high temperatures .

This section will talk over the effect of gamy temperatures on kale , including bolt , tipburn , and decreased quality .

Bolting

bolt is the appendage of a plant rushing to bring about seeds and reproduce before dying . When dough is expose to gamy temperature , it is more likely to bolt .

This can lead to a rapid elongation of the root word and the production of bloom , ultimately rendering the plant inedible .

To prevent bolting during spicy weather , providing   shade for your gelt   can serve stretch out the harvest flow .

Friendly adult woman watered with a watering small plants of lettuce - Senior working the land in its social urban garden in anticipation of the harvest

Tipburn

Tipburn is a physiological disorder affect boodle parting , cause them to bend dark-brown , necrotic , and papery .

It ’s chiefly due to Ca deficiency and poor moisture levels in the plant life , which are aggravated by high temperature .

Regular watering   can alleviate tipburn and keep lettuce plants salubrious during hot weather .

Lettuce, Vegetable cultivation and The Shading Net

Some slipway to prevent or reduce tipburn in lettuce :

Reduced Quality

high-pitched temperature can also dissemble the overall quality of gelt leaves .

When lettuce produce in   constant temperatures above77 ° F , it can have reduced photograph fresh weights and become more prone to bitterness or tougher textures .

To ensure optimum loot quality , it ’s crucial to grow these plants within their ideal temperature range and provide adequate weewee and nutrients to support their growth .

Organic oatleaf lettuce

Protecting Lettuce from Heat Stress

There are several ways to protect your scratch from hotness stress including proper shading , lacrimation , and mulching .

Shade Options

Providing tad for scratch plants can help prevent heat emphasis as temperatures rise .

One choice is to use a30 % shade clothto keep the lettuce coolheaded without block too much lightness .

sinister shade cloth is often the least expensive choice and work just as well as colored ones .

Hydroponic Fillie Iceburg leaf lettuce vegetables plantation in aquaponics system

Another way is to choose a garden location with instinctive shade , preferably one that pick up forenoon sun and afternoon shade for   come down heat stress .

Watering Techniques

Proper watering technique play a key role in protecting lolly from heat focus .

Consistent and cryptic watering aid maintain soil wet , keeping cabbage root cool and hydrated .

irrigate the lettuce in the early dawning or recent evening , as this allows weewee to penetrate deeper into the stain without evaporate apace in the heat of the day .

An apartment patio garden, with small lettuces in a planter and a tower garden with a compost column down the middle

However , avoid overwatering because it may cause etymon issues and make the wampum susceptible to diseases .

Mulching

Applying a layer of mulch around moolah plants serves to insulate the soil and continue moisture .

Organic mulches , such as straw , chopped leaves , or compost , not only avail in keep cool and moist grime conditions but also improve soil fertility as they break down over time .

Spread a 2 - 3 - inch layer of mulch around the lettuce plant , making sure not to cover the plant ’s treetop or touch its leave of absence to prevent decomposition or disease .

refreshen the mulch level as take throughout the growing season to keep heat stress at bay .

Heat-Tolerant Lettuce Varieties

grow lettuce in hot temperatures can be challenging , as they be given to put their energy into germ production rather than produce juicy , leafy greens .

In such conditions , lettuce plant do n’t form tight , harvest - ready head , and may even resemble scratch rather than lettuce .

However , there are several heat - tolerant gelt sort that can thrive even in the warmer calendar month .

Jericho Lettuce

Jericho   dough , a cos lettuce variety originally from Israel , is know to handle hot temperatures well .

It swash excellent flavor and grain while rest immune to bolting and bitter commonly associate with high heat .

Oakleaf Lettuce

Oakleaf   lettuce is another high temperature - tolerant form , as its unique , lobate leaves have a laconic texture and mellisonant mouthful .

This loose - leafage character lettuce comes in both unripe and red cultivars , adding a endearing variety to your salad mix .

Muir

Muir   is a very popular lettuce motley for summer develop . It ’s an first-class choice for a light and crispy salad due to its large , tender - gullible romaine leaves .

Muir is recognise for its ability to withstand mellow temperatures without give its flavor or texture .

Black Seeded Simpson

Black seeded Simpson   is an early maturing , loose - leaf salmagundi that get along well in the hotness .

It has scant - yellow to unripe farewell with a mild , ticklish nip . This variety is resistive to bolt and adds a singular color variation to any salad mix .

What Temperature is Too Hot for Lettuce Indoors

In this section , you ’ll learn how growing lettuce indoors demand a conducive environment with ideal temperature and wakeful photo .

Indoor Temperature

Indoors , cabbage prefers a temperature range of70 to 75 ° Ffor the initial germination mental process .

This range is typically within the comfortable range of most homes and encourage successful ejaculate sprouting .

Light Exposure

To grow lettuce successfully indoors , ensure that the plant receive adequate light exposure .

keep them in an arena with 12 hour of light per daylight can help maintain steady growth .

Providing sizeable air circulation and monitor the temperature to keep it within the idealistic range is also all important for preventing gobble .

Hydroponic Lettuce Growing Temperature

Hydroponic boodle is a popular alternative for many gardeners due to its ability to grow in a controlled environment , which results in frosty and fresh green goods .

As with any plant , it ’s essential to pass with flying colors down the optimum temperature to ensure healthy growth .

Ideal Temperature for Hydroponic Lettuce

Lettuce is considered a coolheaded - time of year crop and more often than not prefers temperate temperatures to rise and grow properly .

The optimal temperature range for aquicultural dough is between   60 - 70 ° farad .

Within this range , bread can develop expeditiously and produce high - tone leave-taking without any adverse gist on its growth or development .

However , lettuce can bear slight fluctuations in temperature , but it is always important to closely monitor and exert a consistent range for the good results .

expose the plants to temperature above 70 ° F may lead to slower growth , a higher danger of disease , and a decline in the craw ’s overall quality .

Hydroponic Cooling Techniques

When growing hydroponic lettuce in hot mood , it ’s crucial to employ in effect chill strategies that help maintain optimal temperature .

Some of these methods may admit the use of ghost textile , evaporative cooling , or adjusting the planting location to reduce the plants ' overall photo to mellow temperature .

Lettuce Wrap This Up

And there you have it — a conduct tour through the nerveless world of lettuce . Remember , just as you would protect yourself from heating system , so too does your boodle appreciate a little care and attention .

Keeping things crisp and tasty postulate vigilance and a few handy tips and caper .

So whether you ’re grow your lettuce in the great outdoors or even venturing into the exciting world of tank farming , you ’re now armed with the noesis to undertake the heat challenge head - on .

Your salad , sandwich , and wraps are count on you . Here ’s to happy , sizeable lettuce and even happier gustatory modality buds !

research more of the globe of lettuce here :

How Is Lettuce Harvested ? A Quick Guide To The Process

How Often To Water Romaine Lettuce