Basil is a culinary herb (Ocimum basilicum) from the mint family. Use this tag for all varieties of basil (sweet basil, holy basil, etc.)

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55
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7answers
8k views

What are the best conditions for basil?

What are the best conditions for basil to grow? I live in the UK and it never seems to last that long. Recently I've been putting the plants in the shade and drenching them in water, which seems to be ...
23
votes
3answers
33k views

How do I get rid of white flies on my basil?

I've recently noticed that my basil and other herb plants are infested by tiny white flies. They spread out like snow-flakes when I spray the plants with water, and there are scary looking number of ...
13
votes
5answers
26k views

How to get rid of insects on basil while leaving the leaves safe to eat?

With reference to this question: Insect infestation on my pepper plant, what do I do? I have these insects in my indoor "kitchen window sill" basil and they do seem to be chewing it fast enough to ...
13
votes
1answer
10k views

Should I separate and transplant basil seedlings?

I have begun to grow basil for the first time. Basically all I did was open a packet of seeds and throw them into a flower pot that’s about 20cm wide/round. The seeds have germinated and have started ...
11
votes
2answers
62 views

“Softening” plants before they go inside?

I've just been reading some Q's here and through that, learnt about the need to harden plants before moving them outside. I'm planning to do the reverse soon, and move a small basil plant from ...
11
votes
3answers
11k views

Why did my basil leaves turn black?

I picked a bunch of basil last week so we could put up some pesto. I brought the leaves inside, washed them, and set them on the counter in the kitchen while gathering other ingredients for pesto (...
11
votes
2answers
499 views

How should I harvest Basil leaves as to be least harmful to the plant?

I have a small basil plant similar to this one: Mine's actually a bit smaller, but well. I cut leafs off it for cooking but I try to keep the plant healthy by not using up more than can grow back. ...
11
votes
1answer
8k views

Saving basil plant after it has been sitting in trash?

So I foolishly tried to help my basil plant grow by composting in the pot it was growing in. Needless to say this made the plant sick and yellowish and the leaves that have turned yellow have a bad ...
11
votes
1answer
1k views

I have the flowers, but how can I get seeds from my basil?

My basil has produced very nice white flowers. It's still cold outside so I can't put the plant out and let nature take its course. How do I successfully obtain seeds from the flowering plant? Do I ...
11
votes
1answer
19k views

How long will my basil plants live inside?

I have 2 basil plants that are in 8 inch diam. pots. They were outside but were doing poorly so around the middle of the summer I moved them inside. They are now thriving! I generally harvest a few ...
10
votes
4answers
2k views

Can I cross pollinate basil and chili peppers?

If I want to plant 2 different species of chili pepper, should I be careful to prevent cross pollination? I heard that chili are self-pollinating, but I don't understand this. Wouldn't any plant ...
10
votes
2answers
979 views

Will my basil plant regrow without leaves?

I received a potted basil plant a bit over a year ago as thanks for some computer work. Not knowing how exactly to grow it, I kind of let it overgrow, including not nipping it in the bud at first. It ...
10
votes
2answers
9k views

My basil had a shock after transplanting. What did I do wrong?

First a little backstory: I bought the basil at a supermarket, where it came in a small plastic vase. I kept it in this vase for three weeks. During these three weeks, I did the following: kept it ...
10
votes
2answers
942 views

Is this plant really holy basil?

I bought some holy basil seeds on the internet and grew them. However, I think the shape of the leaves on my plants are more ruffled than those in the pictures I saw online. Here are some photos of ...
9
votes
2answers
210 views

What is causing dry, dark green spots on the leaves of my new basil plant?

I just bought a basil plant this past week at the supermarket to have some fresh basil for cooking. It had some dark green spots on it, which at first I assumed were just dry/dying leaves. I'm not so ...
8
votes
2answers
3k views

How can I revive wilted water basil plants?

I bought these basil plants from the store. They looked a little droopy and wilting. They came with several bunches and they were half off and discounted because they've been there in the store so ...
8
votes
1answer
2k views

Why does purple basil turn green?

I've seen many people in one of my local forums say that their purple basil turned green a while after planting. There were no proper conclusions to this problem, so could someone please explain? In ...
8
votes
1answer
2k views

What light cycle should I use to grow herbs indoors?

I would like to have a small container herb garden indoors this winter, but I want to make sure my herbs do not try to flower. Currently, it's a couple of different basil plants and some rosemary, ...
7
votes
1answer
428 views

Basil: cold or disease?

A few days ago I put my basil outside. In a couple of days, the temperature fell considerably, and I think it got a shock, despite moving it back inside as soon as I could. I think this is the reason, ...
7
votes
1answer
91 views

Who is eating my basil?

I have a basil plant and all of a sudden the leaves are full of holes as shown in the picture. I am not sure if these are related: Two days ago it rained fiercely and at some point there was also ...
7
votes
1answer
908 views

What nutrient solution is best for hydroponic basil?

What hydroponic nutrient solution is best for growing basil? I'd prefer to know what characteristics to look for rather than a particular brand or product.
6
votes
4answers
71 views

Keep plants alive and healthy, but at a reasonable size?

My fiancée has several plants, including a basil, pepper (as in, green and red), and tomato. There’s also a poinsettia but that one is less of a problem. We live in a small one-bedroom ...
6
votes
2answers
310 views

Basil & Catnip Fail to Germinate

I'm trying to germinate some basil and some catnip seeds. The basil is the regular, plain basil, like you'd purchase at any box store. I bought one of each of these plants in the spring of 2013 and ...
6
votes
2answers
158 views

Keeping basil fresh as long as possible…should I remove the plastic?

I'm wondering how to keep my basil usable for cooking as long as possible. Bought this today from the shop: On the label it says "Keep in the light and water daily", but I'm not sure if I should ...
6
votes
2answers
1k views

Why are my basil seedlings failing to thrive?

I have grown basil from seeds in a large pot. They have germinated but are now failing to thrive. They are now about 3 weeks old. They get the afternoon sun and are watered daily. I applied Seasol ...
6
votes
1answer
230 views

Can I save this basil?

I'm very new to this field, and these plants are all I have so far. A few days ago I bought them from IKEA and left them in the kitchen. My bad, I know and I apologize for it. Now I'd like to save ...
6
votes
2answers
63 views

Why are the leaves of my basil yellowing and falling off?

I got this basil from a friend when it was about half this size. It was a bit spindly and looked like it wasn't pruned enough. Since then I cut it regularly and it got some branches and the base even ...
5
votes
2answers
398 views

What does my basil need?

I planted some basil seeds and grew them in aquarium water over the two months or so. They are placed in a rear window but I believe are getting adequate sun. However, the plant is quite leggy being ...
5
votes
1answer
51 views

Why are my basil's stalks turning brown and dying?

I googled and it seems that basil does turn woody after some time but the leaves on these browned stalks look really unhealthy, like I haven't been watering them. Also, the stalks got thinner after ...
5
votes
1answer
63 views

Why is my basil doing poorly after I split it a month ago?

About a month ago I split my basil plant in half since I wanted to give some basil to a friend. I had never split a plant before. During the summer and fall months I kept my plants outside on my ...
4
votes
2answers
673 views

How to save my plants after fertilizer overdose

Yesterday we accidentally put too much fertilizer into our pots. Today the leaves start to turn brown. Is there any way to save them? Some details: We have two pots - one with basil, one with ...
4
votes
3answers
109 views

Should I let lemon basil flower?

I'm growing some herbs in pots on my patio, and I've let things get away from me a bit: my cilantro and lemon basil are flowering. I know it's considered bad to let my cilantro flower like that, and ...
4
votes
2answers
715 views

How do I grow a basil plant tall?

In my workplace we have a competition on who can grow their basil plant the tallest in 9 weeks. I know next to nothing about gardening, so I would appreciate tips. The plants are store bought, so ...
4
votes
3answers
48 views

Can annuals work like perennials if you keep using cuttings?

I'm brand, brand new to gardening, and I have a feeling this may be a silly question... but I've found myself wondering it nevertheless. I've bought a basil growing kit (a pot, some soil and some ...
4
votes
1answer
89 views

What is eating our Basil plants

Everytime we put our basil plants outside, something starts to eat the leaves. This is what one of the leaves looks like, do you guys know what it could be? IT seems to happen within only hours of ...
4
votes
1answer
117 views

What is this pest on my hydroponic basil and how can I remove it?

Here are some snapshots of hydroponic basil growing in Thailand. Within a week I've had some pest, it looks like some tiny dark-red arachnids, spinning web on young leaves and crawling mostly on the ...
4
votes
1answer
51 views

What is this white speck on the leaf of my plant?

I found these tiny white web-like spots on many leaves of my plant. What are these specks? And what should I do with them? Ignore them? Wash/Wipe them away with water? Pluck the infected leaves? ...
4
votes
2answers
57 views

Basil: Main stem keeps growing back after first pruning

I did the first pruning of my basil plants some weeks ago, and all of them have branched out healthily. But in reference to the main stem (the original, straight stem that I pinced earlier), I saw ...
4
votes
1answer
219 views

My basil stems are cracking and turning brown

I'm growing Basil indoors hydroponically. Most of my plants look fine (other than them tipping over because I used too small net cups and/or didn't pin them in), but some of the stems appear to be ...
4
votes
1answer
312 views

Why are my basil seeds instantly covered with a white goo after planting?

I'm trying to germinate basil for hydroponic purposes. When I put the seeds on wet foam, they get almost instantly covered with a white goo (within approx. 1 min). Sorry, I cannot get a picture. What'...
4
votes
1answer
111 views

How to cut optimally the basil on my balcony?

My context: I have a basil in a pot which is unfortunately not very big. I like to cook with basil and sometimes I cut some leafs. My question: Is there a way to cut the leafs in order to maximize ...
4
votes
1answer
817 views

How to identify real holy basil?

I need help identifying some plants. Unknown Basil 1 Unknown Basil 2 Potential Holy Basil 1 Potential Holy Basil 2 I purchased these two types of basil online. They both claim to be holy ...
4
votes
1answer
171 views

Letting basil loose. Will it die?

I let my basil grow from seed, and I very seldom trimmed it. My aim is to understand the plant life cycle, so I did it on purpose. The plants are so arranged: Three vases sitting in a larger, long ...
3
votes
3answers
803 views

Broken basil plant at the stem

One of my plants apparently collapsed under its own weight, and the stem is clearly broken, where the plant stem meets the soil (a bit under it apparently). I think that if I move it and twist it for ...
3
votes
2answers
140 views

How many basil plants required to produce seed?

I have 5 groupings of basil plants, each containing between 5-7 unique plants. I would like to produce enough seeds (say 100) to replant the same total amount of basil next season. I have throughout ...
3
votes
2answers
544 views

Where and when to pinch back for bushy basil

I've read that "pinching back" or pruning basil plant (ocimum basilicum) will produce a bushier, less leggy, plant. Where on the plant do you cut? When do you cut? How often? Does age of plant ...
3
votes
1answer
841 views

What is this disease on my Basil?

I've planted Basil (from a pot) outside and it's been very wet in the last few weeks. The plant has now got these grey spots on it. What is wrong with it?
3
votes
1answer
156 views

How long can I continue to pinch flowers from a basil plant

I have 10-15 50cm tall lettuce basil plants hanging in large flower pots over my balcony. They are approx. 14 weeks old. I have for about 4 weeks now been cutting the tops of the plants or pinching ...
3
votes
1answer
203 views

How can I tell the difference between etiolation and a sunburn?

I'm attempting to grow plants from seed during the winter, by using a desk lamp and a timer to simulate 12 hour days. Since I know sprouts require a lot of light, I placed the desk lamp such that the ...
3
votes
1answer
668 views

What's causing these small black spots on my basil plant?

I have a basil plant in my flat which has recently developed some light patchy areas with small black spots. Can anyone tell me what is causing it? I occasionally use some left over Tomorite to feed ...