Method of growing plants in water without soil.

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13
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2answers
282 views

What are the features that you should look for when buying a hydroponic system?

I'm interested in growing strawberries using hydroponics. I have read up and understand that there are several types of hydroponic systems, like deep water cultivation, ebb and flow, aeroponic, and ...
13
votes
1answer
3k views

How often should I harvest herbs?

I have a few herbs growing hydroponically (basil, chives, cilantro) that are about 4 weeks old. Right now they are about 4-5" tall and have a health glow and smell to them. The herbs are being held ...
12
votes
7answers
25k views

How much lighting do I need for growing lettuce using indoor hydroponics?

I am beginning to get into indoor hydroponics to grow lettuce, I haven't figured out which type of lettuce to grow yet, I am thinking of a butterhead. I have been to many hydroponics stores and seen ...
11
votes
2answers
2k views

If it's possible to overwater a plant, then how do plants grow hydroponically?

This is confusing me since I am new to the idea of hydroponics. I have read that it is possible to damage a plant by overwatering it, so how can plants live with their roots submerged in pure water? ...
10
votes
2answers
7k views

What are the advantages of hydroponics?

From my understanding, hydroponics is essentially growing plants without soil. Instead of soil, the plant is placed in water. Are there any advantages to growing plants hydroponically? Are there ...
10
votes
2answers
407 views

What are some edible plants (vegetable or fruit) that can produce roots in water?

I would like to know which edible plants can actually root from twigs and/or leaves put in water or a similar setup? Is it as simple as leaving them in water or do you need chemicals to induce rooting?...
9
votes
2answers
2k views

How do I grow root vegetables hydroponically?

Hydroponics is the method of growing plants in a soil-less medium. I've always wondered, how does someone grow a mainly root/bulb-based vegetable (potato, turnip, onion, etc) in a hydroponic ...
9
votes
1answer
1k views

Why are the leaves of my pea plant (little marvel) drying up and turning brown?

The pea plant (Pisum sativum) was grown in an ebb & flow hydroponics system until it failed; now it's in a deep water culture unit. I noticed that the leaves were turning brown/grey. I thought ...
9
votes
1answer
223 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 ...
8
votes
2answers
473 views

What are those hydroponic beads called?

What are the beads this guy is scooping out in this video: https://www.youtube.com/embed/3Gjd5DRyeks
8
votes
2answers
8k views

Can garlic grow without soil?

I recently opened my cabinet and noticed that a clove of garlic that I had was sprouting some roots. In my infinite need to experiment, I decided "Hey, I'll toss this in a mason jar with a little bit ...
7
votes
2answers
75 views

Are CFL and Energy Saver bulbs same and used for growing plants?

Sorry for asking a really novice question but I have searched a lot and not found a yes no answer so I am still confused with this! I want to buy CFL bulbs to grow some tomato plants. I have seen ...
7
votes
1answer
954 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
2answers
74 views

What is the ideal temperature for growth within an Aeroponic Garden?

What is the ideal temperature for growth for an Aeroponic Garden?
6
votes
1answer
159 views

Can I grow mint from cuttings indefinitely?

I would like to grow mint hydroponically from cuttings. I wonder if I can grow mint from cuttings indefinitely? what is the plant lifespan? can I grow cuttings from plant generation after generation ...
6
votes
1answer
251 views

Common causes of burnt tips on herbs

What are common causes of these burnt tips? Over/under fertilization? Too much/little light? Nutrient deficiency? This is Korean shiso/perilla growing in a deep water culture. I've also seen it on ...
6
votes
1answer
112 views

Growing hot peppers indoors on the West Coast

Is it practical or possible to grow hot peppers on the West Coast in North America? It seems they require a ton of sunshine, and that's not exactly something we get in abundance. I'm a rookie with ...
6
votes
1answer
459 views

Source for cheap large plastic tubs?

I'm looking into setting up an aquaponics system, which requires me to acquire a large tub (on the order of 250L, relatively flat) to use as a grow bed for the veggies. Does anyone know where I could ...
6
votes
1answer
264 views

What is the minimum hydroponic pot size?

I've got a doubt about what would be the minimum medium space a plant needs to grow. I'm making a hydroponic system, and I would need to know what is the dimensions of a plant's root required for it ...
5
votes
2answers
923 views

What are the alternatives to AeroGarden

I'm looking for an indoor hydroponic system and I've found the AeroGarden family which looks great but I'd like to check the alternatives. Are there systems similar to this? Important features for me: ...
5
votes
1answer
281 views

What is wrong with my Philodendrons' stems and roots?

The stems of my Philodendron 'Brasil' are getting brown and soft. Is it some kind of disease? I'm growing them hydroponically. Click photo for full size
5
votes
1answer
236 views

What are the rocks called they use in hydroponic / aquaponic growing containers?

I am interested in building a small - scale hydro system just to get more familiar with how it works. I plan to grow some basic easy-to-grow vegetables at first. So I have the container, an old fish ...
5
votes
3answers
116 views

Starting bacteria in aquaponics

I have a small setup ready to go but I need to know how to get all the good bacteria and nitrites up before planting anything. My local suppliers do not carry anything for aqua/hydroponics and online ...
5
votes
1answer
50 views

What is the ideal Daylight Time for Herbs, Tomatoes and Peppers?

I am looking into the development of a hydroponics system with artificial lighting and temperature. Is there a chart showing daylight time and type(Cloud, Direct, etc.) and temperatures between plants ...
5
votes
1answer
80 views

Why don't hydroponic systems suffer from constant root rot?

We are cautioned against keeping soil (and, as a result, the plant roots) constantly wet in order to avoid rot and fungus from harming the plant. I can understand why ebb and flow systems would have ...
5
votes
2answers
76 views

Hydroponic sensors are so expensive?

I am new to this so forgive me if its basic. We are hardware engineers investigating the development of hardware systems to home hydroponic small gardens. After reading a lot, I could see that there ...
5
votes
1answer
229 views

Is High-Intensity Discharge (HID) lighting better overall than Compact Fluoresent Lighting (CFL)?

For hydroponic horticulture are Metal Halide (MH) and High-Pressure Sodium (HPS) lights still the staple/better choice for growing indoors or do Compact Fluoresent lights (CFL) offer enough light ...
5
votes
2answers
384 views

Why are my hydroponic peas wilting right after planting?

I'm trying to get into hydroponics and have started with peas as it's winter in in Wollongong, Australia. However I've had an ongoing issue ever since planting them a week ago. I haven't seen much ...
4
votes
2answers
48 views

Starting over pepper plants

This is my first year growing chili peppers in my hydroponic setup and I didn't have very good luck in terms of fruit. Most of my super-hots only dropped flowers, though I did get one singular ghost ...
4
votes
1answer
92 views

How much water do these hydroponic office plants need?

A large company near our office has moved to another building. We got the chance to take over some of their office furniture, including two pretty massive office plants. Click on pictures for full ...
4
votes
1answer
359 views

Is it possible to reuse rockwool cubes?

Small rockwool cubes are very cheap, but the bigger ones can be a bit expensive. Is it possible to reuse the cubes? How is it possible to remove the old roots? What kind of cleaning is necessary?
4
votes
1answer
339 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
2answers
1k views

What are the black spots on my basil's leaves?

I have a basil plant growing and I have noticed on a few of the leaves -- only on this one type of basil plant -- I am getting these faded black spots. I tried looking online to see if I could find ...
4
votes
1answer
33 views

Hydroponics Nutrients and Fertilizers, are they same?

Let me start of by saying that I am a person with very little experience of gardening. I have just been growing some plants in my balcony and in the process fell in love with this hobby and stumbled ...
4
votes
1answer
38 views

Rockwool - Over germination

I am new to hydroponic growing and I followed a few tutorials on the basics and in doing so I guess I missed a step when I sowed the seed because, like I do in soil growing, I sowed multiple seeds in ...
4
votes
1answer
151 views

Safe to use ABS for plant enclosure?

I'm planning on 3d printing an aeroponics enclosure out of ABS. Obviously there will be a high amount of water circulation involved. Is ABS a safe plastic to use? Will chemicals leach into the soil? ...
3
votes
2answers
79 views

Can hydroponic/aeroponic produce be organic?

Crop rotation, green manure and compost are quite irrelevant in hydroponics and aeroponics, and the "fertilizer" is synthesized too, no?
3
votes
1answer
278 views

Philodendrons: keeping algae at bay but keeping the plant healthy

I've grown philodendrons in water for years in all sorts of light conditions and never had an algae problem until taking a cutting to work a few months ago, where the whole glass container rapidly ...
3
votes
1answer
29 views

How many watts should grow light supply per unit area of edible greens?

There are many lighting products with different rated power. What is the typical grow light intensity (power per unit area) for edible greens?
3
votes
1answer
669 views

What is this yellow coloration of cotton wool used as growth media for hydroponics?

I have built a simple hydroponics DWC system, using a window box with aeration. Actually a system exactly like the below picture: I am growing lettuce and cabbage, and a week ago I have ...
3
votes
2answers
30 views

How crucial is it to measure pH of hydroponic growth solution for leafy greens?

I was told I need to continuously measure the pH of my growth solution and modify it if it exceeds a certain range. Is it really that crucial? I mean no one pays attention to pH of soil in a pot... ...
3
votes
1answer
97 views

How can I use rockwool for indoor gardening?

So, I decided to do research on using rock-wool for my indoor panting needs, rather than the potting soil I obtain from the local stores here. Reasons are 1. I have some rock-wool leftover after ...
3
votes
1answer
244 views

What are the limits to growing plants hydroponically?

I'm working with a group of artists, educators and engineers to develop new methods for STEM teaching in classrooms and museums. Right now, we are trying to design a room-sized model of the carbon ...
2
votes
1answer
555 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 ...
2
votes
1answer
133 views

Basement hydro or aquaponics?

What I want to grow: Cherry tomatoes Iceberg & Romaine lettuce Green/Yellow peppers Strawberries Room information: 55-75% RH, can be vented to the outside once a day manually (via a dryer ...
2
votes
1answer
49 views

How to plant a hydroponic tree

I have a 2 metre high apple tree grown from seed in an aquaponic system that is about 2 years old. It has a large root mass which is removing nutrients/nitrates etc to keep the water clean for my ...
2
votes
0answers
36 views

Curious to know why over-watering leads to root-rot yet the same plant can be grown in water? [duplicate]

I bought a few pothos plants from home depot last summer, and from my investigation, it seemed they all died from root rot. I tried every thing I could to save them but they just would not stop. But ...
1
vote
1answer
45 views

Hydroponic growing media

I recently bought a vertical hydroponic kit, it come with a growing media which is soft sponge like pebbles. It seems like it crumbles even with water flow, and very fine sand covered the bottom of ...
1
vote
1answer
125 views

Will my Frangipani Plumeria (Champa Flower) survive in water without adding soil?

I have what I think are Frangipani cuttings which I got from Laos. After having the cutting for about 2 months without pouring I decided to give my planting skills a try, so I filled a glass with ...
0
votes
1answer
153 views

What is the name of this hydroponic plant? [duplicate]

I have this plant at my office, where it is having a lot of children. Every time that I get some leaves from the plant and put them in a bottle with water, the leaves get some roots and don't die ...