Hydroponic Growing Guide: Perfect EC Levels and Plant Choices ๐ฑ
For a thriving hydroponic garden, hereโs a quick guide on the best greens, herbs, and even fruit-bearing plants to grow, along with tips on maintaining the ideal EC levels.
Plant Type |
Examples |
Best EC Level (mS/cm) |
Notes ๐ |
Lettuces ๐ฅฌ |
Green Oak, Red Oak, Green Coral, Red Coral |
0.8 - 1.2 |
Mild flavours; quick-growing, ideal for beginners. |
Butterhead & Cos ๐ฅฌ |
Green Butterhead, Red Butterhead, Cos (Romaine) |
0.8 - 1.2 |
Soft, buttery texture with added crunch. |
Kales ๐ฅ |
Curly, Tuscan (Dino), Red Russian |
1.4 - 1.8 |
Hardy and nutrient-dense; handle higher EC levels. |
Leafy Greens ๐ |
Swiss Chard, Radicchio, Mustard Greens |
1.2 - 2.3 |
Colourful; adds variety to salads and dishes. |
Herbs ๐ฟ |
Oregano, Mint, Peppermint, Dill, Chives, Sage |
1.0 - 1.8 |
Aromatic; grow fast and tolerate moderate EC levels. |
Peppery Greens ๐ฑ |
Rocket (Arugula), Endive |
1.2 - 1.8 |
Spicy, adds unique flavour; easy to grow. |
Culinary Herbs ๐ฟ |
Lemon Thyme, Sorrel, Chili |
1.0 - 1.8 |
Great for cooking; chilli prefers higher temps. |
Fruit-bearing Plants ๐
|
Tomatoes, Cucumbers, Zucchinis |
2.0 - 2.5 |
Advanced; requires support and higher EC levels. |
Tip for Mixed Systems: If youโre growing all these plants together, an average EC of 1.5 - 1.8 mS/cm works well for most greens and herbs. For systems with fruit-bearing plants like tomatoes and cucumbers, aim for an EC around 1.8 - 2.0 mS/cm for balance, and adjust slightly based on plant health.
Feeling adventurous? ๐ถ๏ธ If you have a keen eye and can manage growth carefully, try adding chillies, zucchinis, and cucumbers. These fruiting plants can thrive in hydroponic systems and add a fun challenge, producing delicious rewards with the right attention to EC and support structures.
This EC and plant selection guide ensures that your hydroponic garden stays vibrant, healthy, and productive. Enjoy cultivating a diverse range of fresh ingredients right at home! ๐ฟ๐