Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [lettuce]

Temperate annual or biennial crop grown for salad leaves.

1
vote
3answers
27 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 ...
2
votes
2answers
73 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 ...
2
votes
1answer
48 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 ...
3
votes
2answers
1k 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 ...
1
vote
0answers
11 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?
3
votes
0answers
31 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
5
votes
1answer
41 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 ...
3
votes
1answer
306 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 ...
4
votes
1answer
41 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 ...
6
votes
1answer
192 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 ...
3
votes
3answers
158 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 ...
5
votes
1answer
608 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 ...
3
votes
1answer
651 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 ...
4
votes
1answer
824 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 ...
5
votes
1answer
70 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.
5
votes
1answer
81 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 ...
7
votes
4answers
892 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 ...
2
votes
2answers
156 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 ...
3
votes
2answers
58 views

Will lettuce seeds germinate in summer?

When the ambient temperature is between 30 to 35 °C in summer, will lettuce seeds germinate?
5
votes
1answer
71 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?
9
votes
1answer
1k 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 ...
1
vote
1answer
52 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 ...
5
votes
1answer
242 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 ...
4
votes
1answer
169 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 ...
2
votes
2answers
2k 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 ...
7
votes
2answers
3k 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?
2
votes
1answer
831 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 ...
1
vote
2answers
428 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 ...
5
votes
1answer
451 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? ...
10
votes
2answers
1k 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 ...
9
votes
2answers
1k 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 ...
32
votes
8answers
47k 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?
9
votes
1answer
106 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 ...
15
votes
1answer
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 ...
17
votes
5answers
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 ...