What do people , oral contraceptive , and pelf have in mutual ?
When they are bitter , they ’re the worst .
perhaps that ’s a bad jest , but I secern it to prompt you to take all the necessary precautions to ensure yourLactuca sativais tender and mild , not bitter , like some grumpy friends I could cite …

A hint of heat is okay , and homegrown varieties do tend to have more flavor than supermarket iceberg and the like . But once this immature vegetable commence evolve a pervasive off - taste , the jig is up .
You may be able to reap a pass , or a bunch or two , and sophisticate it up so it ’s eatable . But once the flavor rick virulent , the lettuce will never return to being the delicious salad ingredient you intended to arise .
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Lettuce picked at its top and serve sweet from the garden is a taste star . When you plant your ownL. sativa , you may furnish your menage with a embarrassment of fresh , cheap leaves or crisp heads .
Us veg gardeners can also taste any number of seed - grown diversity that are n’t available at any store , or even at the Fannie Farmer ’s market .
But that advantage is well delete out when your wanted harvest starts tasting acerbic . Before you know it , the park are primed only for the compost heap .

countenance ’s not permit that find ! In this guide , I ’ll share the top reasons why homegrown lettuce becomes acrimonious and how to foreclose it . Here ’s what I ’ll get over :
The Top 3 Reasons for Bitter Lettuce
Frombuttercrunchto romaine to lax leaf varieties , shekels is a garden staple that ’s easy to grow and lovely to have on hand for fresh salads , wraps , and garnish .
Having your craw germinate a vitriolic taste is probably the tough issue you ’ll face when you produce this fresh leafy green , except maybe the infestations ofinsect blighter that can plagueL. sativa .
Why does absolutely attractive green or cherry-red scratch sometimes look fine in the garden , but it smack bitter when you beak it ? These are the top cause , with preventive measures for each :

1. Environmental Conditions
The top reasonableness for bread to become bitter is beetle off .
This term depict a plant that puts all its energy into develop flower stalks and buds that can open and flower , producing seeds if they ’re pollinated .
The reproductive process have the plant life to form bitter compounds in both the leaf and stems , which turns their taste more blistering and coarse with each kick the bucket day .

L. sativawill finally bolt as it gets erstwhile , if the days are long enough .
But it will bolt more quickly in reply to environmental experimental condition , especially hot atmospheric condition or teetotal spells .
This create sensation if you remember about it : As a plant that thrives in nerveless weather , heat or too little water feels life - threatening , so it start the process of forming seed to grow a Modern generation to carry on after it ’s gone .

Most type start forge buds after a couple of days of temperatures in the 70 to 80 ° F range .
There ’s alsoa day - length component , with scratch run out in response to recollective day in early summer or shorter days in tardy fall . But according to the available enquiry , gamy temps are the most reliable effort of bolting .
body of water stress can also have lolly to become bitter . The lack of moisture can be linked to the blistering atmospheric condition that instigates bolting , or it may be an independent cause of badly - tasting homegrown romaine lettuce , buttercrunch , or loose leaf varieties .

This is an unforgiving cycle for us vegetable nurseryman . Even if you acknowledge your plant are forming buds and pinch them off , you ’ll only purchase yourself a few excess days of mild - tasting greens out of the hatful .
It ’s far more hardheaded to focus on bar . Use these pourboire :
Prevention
Before sowing or transplantation , check that you note the number of days to matureness and whether you have enough time to harvest ahead of the metre when hotness typically strike in your area .
This advice apply to produce all varieties , include butterhead , crisphead , looseleaf , and romaine type .
say more about preventing lettuce from run off here .

When you ’re grow in a region with long , hot summer , you may also want to look into planting a cultivar that is in particular bolt - immune . These are three of my favourite :
This heat - insubordinate , Amish heirloom develop narrow , pointed leaves connected to a compact base that ’s about six inches tall at its full size .
‘ Deer Tongue ’

The leafage have crunchy ribs and a balmy flavor . ‘ Deer Tongue ’ produce baby leaves in 30 day , and reaches adulthood in 46 days .
This variety isavailable in 300 - cum packets from on-key Leaf Market .
Appropriate for containers and edible landscaping , ‘ Ruby ’ produces recondite - red tint leaves on plant that grow seven or eight inches marvelous at maturity .

‘ Ruby ’
It ’s renowned for its heating system resistance , and matures in 30 to 60 sidereal day .
‘ Ruby ’ seeds areavailable in various packet sizes and one - pound sacks at Eden Brothers .
An open - pollinated red folio cultivar with surpassing rut tolerance , ‘ New Red Fire ’ grows comparatively slow , reaching its mature height of around 10 inches in about 55 days .
The leaf make a mellifluous , crispy base for swelled salads , and are the veracious size and texture to slip into sandwich or Warren Burger .
The frilly leaves are light red and green , and they will grow turgid enough to apply for lucre wrapping without developing a harsh taste .
‘ New Red Fire ’
This cultivar also grows well in nerveless weather .
‘ New Red Fire ’ seeds are available in packets of 200from David ’s Garden Seeds via Amazon .
take down that arise dumb - bolt type only prolongs the time of year a bit . You still wo n’t be able-bodied to nibble bountiful baskets of salad greens in the July or August heat when the temperature is 100 ° farad .
Other ways to prevent the acerb taste that occur in lettuce that ’s been exhibit to too much red-hot weather include embed it in part shade , get a parachuting on the season by purchasing graft orstarting seeds indoors , mulching after the seedlings are a couple of inch tall , and growing this harvest in containers you may move indoors if an early heatwave smasher .
One additional way to cope with this situation is to realine your expectations . If you remember of grow lettuce as a task involving a series of successive planting , instead of grow a single crop per time of year , you’re able to readily sow and pick two or more sets of baby parting before warm temperatures arrive and destroy the harvest time .
Most variety will give rise leaves that are at least two inches long , and legal tender and mild , within 20 to 30 day – well ahead of the arrival of warm weather in the spring or summertime . To study more about wield this eccentric ofsuccession planting , see our guide .
To understate moisture stress from the get - go , start with proper garden preparation . ensure to plant your lettuce in loamy dirt that ’s been amended with plenty of organic matter , so it will hold back wet and also drain well .
If you ’re planting in a pot , use a fat , well - drain potting mix . check that the container is coated to prevent dehydration , and that it has hole in the bottom for drain .
In the first pair of weeks after you transplant scratch or after your ejaculate have sprout , provide enough piss to keep the dirt moist but not swampy .
Once youthful bread plants are demonstrate and have produced several sets of true leave of absence , extend irrigating a brace of times a week when your garden does n’t receive at least an in of piss from rainfall .
Not sure how much precipitation has fallen?A rain gauge can help .
When you’regrowing in containers , you may need to water even more often to maintain damp but not waterlogged soil .
In area where body of water evaporates quickly , even in the spring or autumn growing seasons , you may want to invest indrip irrigation or alky hose .
It ’s also a unspoilt mind to mulch the plant when they ’re a couple of inches tall , and to weed often and well so these shallow - root greens are n’t competing for H2O .
Learn more about watering and find additional baksheesh to care for homegrown lettuce in our usher .
2. Not Enough Nutrients
When you ’re unable to giveL. sativawhat it demand to grow quick , the plants are more likely to bolt and turn acerb before you ’ve finished harvest .
This is especially true when you wait for the lettuce to rise full - sizing loose leave or mature heads , alternatively of picking all or most of the crop at the microgreen or baby leaf stage .
A lack of nutrients , in particular nitrogen , can make this leafy green ’s increase to be stunted , or make it edge up so slowly it ’s ineffective to produce soft , tender leave before it quite literally goes to seed .
Like many other type of cool - weather greens , all varieties of lettuce are intemperate feeders , and take ample nitrogen in particular to control a healthy starting time , followed by a return of tasty crispheads or loose leaves beforehand of bolting .
Before you sow or transplant , work a accomplished plant food , like a production with an NPK proportion of 13 - 13 - 13 , into the soil , or bestow hatful of composted manure or other organic matter . Be certain to do this forward of seeding so you wo n’t sear the seedlings .
Unless you ’re planning to harvest only baby leaves or microgreens , also side - frock the young plants every three weeks during the time of year with a high - N fertiliser .
Alsoconsider planting bean or other legumesthat repair N in the soilas companions , or rotate crop so yourL. sativacultivars follow beans in sequential season .
3. Aster Yellows
Lettuce is one of 100 of plants affected by aster yellowness disease , which is induce by microscopic phytoplasmas that act much like bacterium . The phytoplasmas are in the first place transferred by leafhoppers .
In addition to creating pinkish or tan spots on the leaves and twisted leaves in the core , aster yellow can make your harvest taste terrible .
There ’s no cure for aster yellowness , so the well approach is bar . This involve planting repellent salmagundi , removing diseased plant life from the garden , and preventing or eliminating plague by the dirt ball that carry this disease .
Learn more about aster yellows detection and bar in our scout .
Can You Fix Bitter Lettuce?
I ’m no quitter , and I am one of the most sparing hoi polloi you ’ll ever encounter . But I still wo n’t recommend putting a mess of effort into trying to make bitter lettuce predilection better .
It ’s a lot of work for a crop you could far more easily replant in the fall or next spring .
bear in mind you , the off - tasting leaves resulting from poor environmental conditions are dead safe to eat . It ’s only the flavor that suffer when you let the plants bolt in the hotness or do n’t irrigate them decently .
Aster yellows - afflicted plant should be destroyed , not try out .
When the green have just a trace of bitter flavor , it is potential to just part the leave from each other or the core , and gazump them in a quart of shabu water mixed with half a teaspoon of bake soda ash for a couple of hours .
Then rinse them , let them dry , and cool down them in the fridge for up to two days before consuming .
In my experience , this will take the boundary off of the intense flavor , but it wo n’t obviate bitterness tout ensemble .
you could also use just a few more or less off - tasting leave of absence in a mix of greens that include sweeter assortment , like mâche , also known as edible corn salad or lamb ’s lettuce .
Once the rough flavour has become permeating , though , the only result is to saute the jet in olive oil for three or four minutes on intermediate warmth , and stir in a little bit of table sugar and a squeeze play of lemon juice just before serving .
This mixture savor okay , but it is n’t a side dish I particularly look forward to . When you ’re determined to feed the greens you grew , it can attend to as a stopgap measure until you glean a ranking lot .
If a 2d sowing is n’t feasible for you or you ’d hate to hold off another 40 to 70 days for it to grow , you still do n’t have to make do with the rough smack of overgrownL. sativa .
Instead , embed a passel of promptly - producing microgreens to get your lettuce fix in just 10 to 14 days .
Learn more about growing microgreens in our guide .
Not Bitter Is Better
I do so go for you ’re capable to avoid grow lettuce with that acid flavor , so you’re able to enjoy this delicious crop from the first tender baby leaves to the full - size of it , crispy heads .
A steady supplying that comes directly from the garden to the table will raise your home menu and encourage healthful eating .
And if this advice tally the mark , here are some morelettuce guidesfor you to show next :
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Rose Kennedy