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Questions tagged [lettuce]

Temperate annual or biennial crop grown for salad leaves.

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3 votes
2 answers
388 views

Romaine lettuce has multiple heads really close; should I separate before planting?

I just bought this romaine plant. It has about 5 heads really close together. Do I have to untangle them and plant them separately? Or do I leave them be? I was going to put them in a bigger box, ...
Elizabeth's user avatar
1 vote
1 answer
89 views

If you colour water red in a hydroponic system will the leaves on the lettuce turn red/pink

My daughter has to do a science project. She wants to build a hydroponic system and colour the water red to see if the lettuce leaves will turn red. Will it? I don't want to build the whole system ...
user41453's user avatar
0 votes
0 answers
114 views

Fastest Grown Lettuce

I was wondering if there was a "world record" of the fastest fully grown Lettuce and how fast it grew, is there a record for it? or just how fast would it in theory be?
Marius Wanscher's user avatar
6 votes
1 answer
219 views

What happen to my hydroponic lettuce leaves

What may cause my lettuce leaves to look like in these pictures? I don't find any literature in my language (Bahasa Indonesia) that explain this phenomenon or find any similar images on the internet. ...
Angela Radityatama's user avatar
0 votes
1 answer
76 views

Red baby lettuce leaves dehydrated in hydroponic system

I planted red baby lettuce in an indoor hydroponic system. There are two types of lightning I used for this plant, A system (a hydroponic system that uses white LED lights) and a B system (an ...
Angela Radityatama's user avatar
1 vote
0 answers
85 views

My lettuce leaves keep losing their green color

I transplanted my lettuce to a self-built indoor aeroponics system, about two weeks ago. They seem to be showing slower growth and now & then some of the leaves lose their green color (See the ...
prakhar19's user avatar
  • 111
0 votes
1 answer
81 views

Improving germination with Plasma activated water and lettuce seeds

I've been able to germinate about 90-95% of old seeds (about 15 year old bean seeds) using Plasma Activated water. But I can't get even one lettuce seed to germinate (same age 15 year old packet). ...
Rick T's user avatar
  • 135
0 votes
1 answer
192 views

Which Pest Attacked My Lettuce Leaves?

I planted romaine lettuce and I think it was attacked by some pests, but I can't identify them because I don't see any insects. I decided to replace with the new plants but it still get attacked. Do ...
Angela Radityatama's user avatar
1 vote
2 answers
252 views

Should I cover my germinated lettuce seeds?

I tried germinating lettuce outdoors and had a poor germination rate. Then I read somewhere that they may need light to germinate (I had buried them). I grabbed a container with sifted compost I had ...
csamx's user avatar
  • 119
3 votes
1 answer
311 views

Lettuce Growth Stunted

I grow lettuce using vertical hydroponic method. I live in Jakarta city, Indonesia, started planting the lettuce at September 7th, 2019 and today (October 10th, 2019) should be the harvest day. But ...
Angela Radityatama's user avatar
1 vote
3 answers
34 views

Can I reduce the amount of dirt that collects in corn salad / mâche?

It’s that time of the year again when I enjoy home-grown corn salad (aka mâche, lamb’s lettuce, rapunzel...). While I love the taste, cleaning is a nightmare. Traditionally, the little plant ...
Stephie's user avatar
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6 votes
3 answers
235 views

How can I have lettuce growing year-round?

I've got this lettuce, similar to the red leaf, ruffly variety. It seems to grow only during summer and autumn. I can't coax it into sprouting from the seeds I harvest at any other time of year, which ...
Emi's user avatar
  • 71
4 votes
1 answer
332 views

Separating lettuce seeds

I grew some good lettuce this year, cos (white seed) and crutterbunch (dark seed). I like the crutterbunch better and it is sometimes tough to find the seed in the store so I made sure to cut all the ...
Colin Beckingham's user avatar
3 votes
2 answers
10k views

Why are ants staying on my lettuce leaves?

I have some lettuce plants and in the last weeks I have noticed an increasing number of ants staying in the leaves. They do not appear to eat the leaves nor do anything else. I wonder what is the ...
Pablo Guerrero's user avatar
1 vote
0 answers
13 views

Will collards grow from a stub?

I was in my community garden today, and all I found of one of my collards was 3 leaves around the plant, and about a 1 inch stub. Will my collard likely grow back?
black thumb's user avatar
  • 9,026
2 votes
0 answers
50 views

Lettuce - DLI recommendation day 1-14 with full spectrum led

Im looking for a recommendation of the DLI for lettuce in a hydro setup for the first 14 days using a full spectrum led i would figure it at 8 -12 mol/m2/day what do you think? greets
Herrsocke's user avatar
  • 151
6 votes
1 answer
273 views

When to harvest lettuce seeds

I am growing lettuce for the first time in. I have harvested a few lettuce leaves and the plant is now flowering. The flowers have been for around 20 days now. I wanted to save he seeds from this ...
saleem's user avatar
  • 371
5 votes
1 answer
2k views

Slugs and snails eating lettuce?

I have been trying to grow lettuce and I am having some problems with what I think are slugs and snails, Something appears to be eating my lettuce and it is not growing much. I was wondering if anyone ...
user avatar
4 votes
1 answer
43 views

Seed amount per plant spot

im new to gardening! I planted various lettuce plants but now im not sure did i did it right. I am not sure should i plant one or couple seeds per plant spot. I checked various youtube vids and i saw ...
Scavs's user avatar
  • 143
5 votes
1 answer
5k views

What would be eating my lettuce plants, and leaving some other vegetables alone?

I planted 6 lettuce plants and this morning 3 of them are completely nipped. Do you know if they will grow back as only a little bit of the leaves are left. Also how do I protect the rest? I also have ...
Abhishek Misra's user avatar
3 votes
3 answers
1k views

Is a fungus causing my butter lettuce stems to rot right through?

I'm growing some butter lettuce in a grow bag full of Happy Frog potting soil. It's been particularly rainy the last few days. Today I inspected the plants and a few of them popped right off of ...
Nick Retallack's user avatar
4 votes
1 answer
2k views

How do you make the nutrient solution for a hydroponic system from solid compound NPK fertilizer?

All I can buy in my country is traditional solid NPK fertilizer as shown in this picture: How can I prepare a nutrient solution for growing lettuce with this. (I also have Calcium Nitrate and ...
Ian's user avatar
  • 41
4 votes
1 answer
2k views

Why don't ants eat my lettuce?

I have a very small vegetable garden. I don't use any pesticides or herbicides. My lettuce plants are growing nicely and I've noticed the ants leave them alone. However, as soon as a lettuce leaf is ...
Xavier's user avatar
  • 149
2 votes
1 answer
2k views

Can I use this fertilizer for my Hydroponics?

I'm new to Hydroponics stuffs. I'm striving to plant in hydro form currently. I'm living in under-developed country which is impossible to find the well established nutrients mix such as Master Blend ...
Sok Vanrithy's user avatar
6 votes
1 answer
166 views

How can I tell which lettuce seeds are viable?

How do we differentiate which lettuce seeds are good and capable of germination, from the rest?. I planted lettuce seeds, and only 'Radical' came up, after the rest could not germinate.
Sidra Rahman's user avatar
6 votes
1 answer
226 views

What's the best germination temperature for Grand Rapids lettuce?

I tried to germinate lettuce indoors at 27 degrees Celcius (80 degrees Fahrenheit) in the day and 17 degrees Celsius (62 degrees Fahrenheit) at night, but they did not germinate. What is the most ...
Sidra Rahman's user avatar
8 votes
4 answers
8k views

Should I cut the top off of this bolting lettuce?

My garden is on a roof top in the South Bronx. I get a lot out of a little space, but I tend to only have one or two of each type of plant. Most advice I find is for terrestrial gardens with rows and ...
futurebird's user avatar
2 votes
2 answers
299 views

How do I prevent damping-off of my lettuce seedlings?

I have successfully germinated 10 lettuce seeds from a tissue and transplanted them into a pot. They grew more and showed new leaves, but after some time I noticed that their stem from the base ...
SilverRay's user avatar
  • 125
4 votes
2 answers
76 views

Will lettuce seeds germinate in summer?

When the ambient temperature is between 30 to 35 °C in summer, will lettuce seeds germinate?
Sidra Rahman's user avatar
4 votes
1 answer
133 views

How can I regulate lettuce indoors so it doesn't bolt/flower?

Is there a science to regulating lettuce indoors in a way that prevents or minimizes bolting/flowering?
Enigma's user avatar
  • 1,993
12 votes
1 answer
4k views

My hydroponic lettuce is mega bitter. Can I fix it?

Preface: I don't really know what I'm doing. So I decided to grow some kweik lettuce in my ebb & flow hydroponic setup. In addition to that, I'm growing a variety of chili peppers, mostly ...
Ryan Anderson's user avatar
1 vote
1 answer
70 views

Can I grow a new crop of lettuce by saving and planting the whole unopened flower?

It's a lot of work to separate lettuce seeds from the chaff! So I am hoping someone else has already tried saving lettuce seeds by saving and planting the whole unopened flower head. Has anyone tried ...
KellyM's user avatar
  • 11
7 votes
1 answer
408 views

Can I treat supermarket "living lettuce" as lettuce seedlings?

I have a tray of tired looking supermarket "living lettuce". You're supposed to keep it on your windowsill and use it up over a week or two. Can I treat the living lettuce as a tray of seedlings and ...
Tea Drinker's user avatar
  • 9,583
4 votes
1 answer
799 views

What to do about a slug and excrement on my Batavian lettuce?

I think this is happening because this lettuce is ready to harvest and it's been sitting in there too long? I discovered one slug (is that a slug?) which I can remove... but there are also all these ...
Becky's user avatar
  • 841
2 votes
2 answers
4k views

Why do the tips of my lettuce leaves look dark/burnt and feel brittle?

I am growing Batavian 'Arianna' lettuce in a container on my balcony. I'm in San Francisco, so it gets some sun, but it's not all day, and it gets a lot of shade too. I noticed that the tips of some ...
Becky's user avatar
  • 841
7 votes
2 answers
7k views

Will cutting a bolted lettuce plant allow it to regrow?

I'm a novice gardener and my lettuce has bolted. Do I have to remove the entire plant from the ground or can I just cut it down to the ground so it can regrow?
user2347's user avatar
2 votes
1 answer
2k views

How do I know when hydroponic lettuce is ready to be harvested?

I will be growing lettuce hydroponically using an NFT system and HO 54w T5 6500k lights. I will be using an organic nutrient solution (AN Iguana Grow) as well. I have ordered some certified organic ...
Kray's user avatar
  • 63
2 votes
2 answers
557 views

NFT Hydroponics for Lettuce

I am looking at building a small NFT system to test the viability of growing lettuce commercially for local consumption. Investigating options for NFT. Right now I am looking at using 3"-4" PVC or ...
Kray's user avatar
  • 63
5 votes
1 answer
524 views

What kind of bug is this and do I need to get rid of it? [duplicate]

I was looking through my vegetable garden this evening and noticed two of these bugs crawling over my lettuce: Does anyone know what type of bug this is and if it's something I need to get rid of? ...
Joel Eckroth's user avatar
10 votes
2 answers
2k views

What is this bluish-grey bug on my lettuce, and how do I treat it?

I have a planter with several lettuce plants and other plants growing on my balcony. Recently, all of "normal" leafy lettuces were rapidly overcome by a bug. A sawtooth, more mizuna-like lettuce was ...
Jonathan's user avatar
  • 757
9 votes
2 answers
2k views

Can I plant peas, green beans and lettuce this early?

The weather this year has been exceptionally mild here in northern Illinois, and I am thinking of planting my peas, green beans and lettuce in the next couple weeks. This is probably a full four weeks ...
Dave Nay's user avatar
  • 293
34 votes
8 answers
70k views

My lettuce is flowering - does that mean it has bolted?

I planted a batch of "zesty blend" lettuce seeds. They seem to be doing fine, but suddenly they started flowering: Have they bolted? They look healthy otherwise. Still edible?
Caffeine Coma's user avatar
9 votes
1 answer
118 views

What about covering lettuces during hot periods?

This question reminds us that lettuces don't like too much hot weather. To look after my lettuce crop and guard against bolting, might it be worth covering the lettuce with, say, layers of damp ...
Tea Drinker's user avatar
  • 9,583
17 votes
1 answer
2k views

What's the best way to cut leaf lettuces?

The last few years I've had success growing romaine and other leaf lettuces. I usually try to harvest only as much as we need for a day (or couple days). That often means just a few leaves at a time ...
Voodoo's user avatar
  • 491
20 votes
5 answers
1k views

What happens if you plant lettuce in hot weather?

For whatever reason my lettuce (except for the mustard) in my mesclun mix didn't take this year. I'm about ready to rotate in something else, but I'd really like a decent crop of lettuce. I don't ...
Peter Turner's user avatar
  • 9,201