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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47
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7answers
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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 ...
21
votes
2answers
18k 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
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5answers
14k 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 ...
12
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1answer
5k 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 ...
10
votes
2answers
307 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. ...
10
votes
3answers
6k 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 ...
10
votes
1answer
4k 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 ...
10
votes
2answers
732 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 ...
10
votes
2answers
591 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 ...
10
votes
1answer
10k 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 ...
9
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2answers
4k 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 ...
8
votes
4answers
1k 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 ...
8
votes
1answer
718 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
2answers
2k 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 ...
7
votes
1answer
952 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 ...
6
votes
2answers
680 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
75 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
1answer
234 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, ...
4
votes
1answer
118 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
143 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 ...
4
votes
1answer
203 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.
3
votes
3answers
397 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
248 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 ...
3
votes
1answer
492 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
69 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 ...
3
votes
1answer
123 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
61 views

What's flying around my basil?

I have a large pot of basil growing in my yard. The other day, I was cutting leaves for pesto, the first few minutes were ok, then a small black and silver (grey?) bee-like insect accompanied me (like ...
2
votes
2answers
106 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 ...
2
votes
2answers
209 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 ...
2
votes
2answers
230 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 ...
2
votes
1answer
216 views

Can I use an NPK compund fertilizer on herbs?

I have some "Low nutrient NPK compound fertilizer" which is sold as Citrus Food left over from a Calamondin tree which has sadly passed away. Can I use this fertilizer on my herbs? They are basil, ...
1
vote
2answers
54 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 ...
1
vote
1answer
41 views

Why is the lower leaf wilted on all of these plants? Should I remove them?

These basil plants have been thriving steadily better and better since being transplanted as sprouts. However every one of this group of 8 in the end of a planter is exhibiting a wilted leaf, and ...