Method of growing plants in water without soil.

learn more… | top users | synonyms

13
votes
2answers
239 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 ...
12
votes
1answer
2k 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 ...
9
votes
3answers
5k 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 ...
9
votes
2answers
289 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 ...
8
votes
2answers
1k 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 ...
8
votes
2answers
853 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 ...
8
votes
2answers
648 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? ...
8
votes
1answer
657 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 ...
6
votes
1answer
409 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 ...
5
votes
2answers
1k 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 ...
5
votes
2answers
295 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
103 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 ...
5
votes
1answer
196 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 ...
4
votes
1answer
124 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
1answer
190 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
1answer
178 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
108 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 ...
3
votes
2answers
743 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 ...
3
votes
1answer
32 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 ...
3
votes
1answer
55 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
335 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
87 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
231 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 ...
1
vote
1answer
79 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 ...
1
vote
1answer
59 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 ...
0
votes
2answers
234 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 ...
0
votes
1answer
33 views

How do roots absorb oxygen in hyrdroculture/hydroponics? [duplicate]

I was told soil needs good aeration to allow oxygen to enter the roots. If the soil is waterlogged, the plant will drown due to oxygen deprivation. Is this true and how is it possible for hydroponics? ...