Tranquility Through Gardening

What Is Hydroponics?

Hydroponics is a way of growing plants without soil. Hydroponics, translates from hydro=water and ponos=works. Hydroponics literally means water works. Hydroponic equipment is best suited for indoor gardening or greenhouses. Soilless gardening lets plant take up nutrient faster which means a quicker growing, more compact and more nutritious plant in a smaller space.

Plant FAQs


See the Nutrient FAQ's for help with the chart.


The pH and electro-conductivity values specified here are given as a range. It should be noted that specific plant requirements will vary according to climatic conditions, and from season to season within that region.

For easy growing reference, plants that share abroad range groupings of low, medium, high can be grown together using the name nutrient electro-conductivity, proving a middle ground cF is adopted.


Electro - Conductivity Chart

Electro - Conductivity (EC) or Conductivity Factor (cF) can be expressed as either millisiemens (mS), cF or parts per million (ppm).

Example: 1mS = 10cF = 700ppm
The pH and Electro - Conductivity values specified here are given as a broad range. It should be noted that different seasons and climate will alter the needs of your plant. As a general rule, in cooler grow rooms, the plant requires higher nutrients. With warmer rooms, the plant requires lower levels of nutrients.


Vegetable Crops

L = Low M = Medium H = High

Product
pH
Category
cF
ppm
Artichoke
6.5 - 7.5
L
8 - 18
560 - 1260
Asparagus
6.0 - 6.8
L
14 - 18
980 - 1260
Bean (Common)
6.0
H
20 - 40
1400 - 2800
Beetroot
6.0 - 6.5
H
18 - 50
1260 - 3500
Broad Bean
6.0 - 6.5
M
18 - 22
1260 - 1540
Broccoli
6.0 - 6.8
H
28 - 35
1960 - 2450
Brussels Sprout
6.5
H
25 - 30
1750 - 2100
Cabbage
6.5 - 7.0
H
25 - 30
1750 - 2100
Capsicum
6.0 - 6.5
M
18 - 22
1260 - 1540
Carrot
6.3
M
16 - 20
1120 - 1400
Cauliflower
6.5 - 7.0
M
15 - 20
1050 - 1400
Celery
6.5
M
18 - 24
1260 - 1680
Cucumber
5.5
M
17 - 25
1190 - 1750
Eggplant
6.0
H
25 - 35
1750 - 2450
Endive
5.5
M
20 - 24
1400 - 1680
Fodder
6.0
M
18 - 20
1260 - 1400
Garlic
6.0
L
14 - 18
980 - 1260
Leek
6.5 - 7.0
L
14 - 18
980 - 1260
Lettuce
6.0 - 7.0
L
8 - 12
560 - 840
Marrow
6.0
M
18 - 24
1260 - 1680
Okra
6.5
H
20 - 24
1400 - 1680
Onion
6.0 - 6.7
L
14 - 18
980 - 1260
Pak - choi
7.0
M
15 - 20
1050 - 1400
Parsnip
6.0
L
14 - 18
980 - 1260
Pea
6.0 - 7.0
L
8 - 18
980 - 1260
Pepino
6.0 - 6.5
H
20 - 50
1400 - 3500
Potato
5.0 - 6.0
H
20 - 25
1400 - 1750
Pumpkin
5.5 - 7.5
M
18 - 24
1260 - 1680
Radish
6.0 - 7.0
M
16 - 22
840 - 1540
Spinach
6.0 - 7.0
M
18 - 23
1260 - 1610
Silverbeet
6.0 - 7.0
M
18 - 23
1260 - 1610
Sweet Corn
6.0
M
16 - 24
840 - 1680
Sweet Potato
5.5 - 6.0
H
20 - 25
1400 - 1750
Taro
5.0 - 5.5
H
25 - 30
1750 - 2100
Tomato
6.0 - 6.5
H
20 - 50
1400 - 3500
Turnip
6.0 - 6.5
M
18 - 24
1260 - 1680
Zucchini
6.0
M
18 - 24
1260 - 1680

 

Fruits
Product
pH
Category
cF
ppm
Banana 5.5-6.5 M 18-22 1260-1540
Black Currant 6.0 L 14-18 980-1260
Blueberry 4.0 -5.0 M 18-20 1260-1400
Melon 5.5-6.0 H 20-25 1400-1750
Passionfruit 6.5 M 16-24 840-1680
Paw-Paw 6.5 H 20-24 1400-1680
Pineapple 5.5-6.0 H 20-24 1400-1680
Red Currant 6.0 M 14-18 980-1260
Rhubarb 5.0- 6.0 M 16-20 840-1400
Strawberries 6.0 M 18-22 1260-1540
Watermelon 5.8 M 15-24 1260-1680

 

Herbs
Product
pH
Category
cF
ppm
Basil
5.5 - 6.5
L
10 - 16
700 - 1120
Chicory
5.5 - 6.0
H
20 - 24
1400 - 1680
Chives
6.0 - 6.5
M
18 - 22
1260 - 1540
Fennel
6.4 - 6.8
L
10 - 14
700 - 980
Lavender
6.4 - 6.8
L
10 - 14
700 - 980
Lemon Balm
5.5 - 6.5
L
10 - 16
700 - 1120
Marjoram
6.0
M
16 - 20
1120 - 1400
Mint
5.5 - 6.0
H
20 - 24
1400 - 1680
Mustard Cress
6.0 - 6.5
M
12 - 24
840 - 1680
Parsley
5.5 - 6.0
L
8 - 18
560 - 1260
Rosemary
5.5 - 6.0
L
10 - 16
700 - 1120
Sage
5.5 - 6.5
L
10 - 16
700 - 1120
Thyme
5.5 - 7.0
L
8 - 16
560 - 1120
Watercress
6.5 - 6.8
L
4 - 18
280 - 1260

 

Flower Crops
Product
pH Category cF ppm
African Violet 6.0 - 7.0 L 12 - 15 840 - 1050
Anthuurium 5.0 - 6.0 M 16 - 20 1120 - 1400
Antirrhinim 6.5 M 16 - 20 1120 - 1400
Aphelandra 5.0 - 6.0 M 18 - 24 1260 - 1680
Aster 6.0 - 6.5 M 18 - 24 1260 -1680
Begonia 6.5 L 14 - 18 980 - 1260
Bromeliad 5.0 - 7.5 L 8 - 12 560 - 840
Caladium 6.0 - 7.5 M 16 - 20 1120 - 1400
Canna 6.0 M 18 - 24 1260 - 1680
Carnation 6.0 H 20 - 35 1260 - 2450
Chrysanthemum 6.0 - 6.2 H 18 - 25 1400 - 1750
Cymbidium 5.5 L 6 - 10 420 - 560
Dahlia 6.0 - 7.0 M 15 - 20 1050 - 1400
Dieffenbachia 5.0 - 6.0 H 18 - 24 1400 - 1680
Dracaena 5.0 - 6.0 H 18 - 24 1400 - 1680
Fern 6.0 M 16 - 20 1120 - 1400
Ficus 5.5 - 6.0 M 16 - 24 1120 - 1680
Freesia 6.5 M 10 - 20 700 - 1400
Impatien 5.5 - 6.5 M 18 - 20 1260 - 1400
Gerbera 5.0 - 6.5 H 20 - 25 1400 - 1750
Gladiolus 5.5 - 6.5 H 20 - 24 1400 - 1680
Monstera 5.0 - 6.0 H 18 - 24 1400 - 1680
Palm 6.0 - 7.5 M 16 - 20 1120 - 1400
Rose 5.5 - 6.0 M 15 - 25 1050 - 1750
Stock 6.0 - 7.0 M 16 - 20 1120 - 1400

 

 

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