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Soil and water pH is the single most important aspect in determining nutrient availability to crops. When pH is not at a proper level, your plants will lose their ability to absorb essential nutrients required for healthy growth. Plant quality will suffer, and so will your profitability.
Measuring pH Can Help Improve Plant Quality.
Perhaps one of the most overlooked aspects of plant growth is monitoring soil pH, and yet it is extremely important! Regular monitoring through the entire growing cycle will uncover improper pH levels. Improper pH levels are early warning signs to make adjustments before the damage shows in your plants. Simply compare your pH readings with established pH guidelines – such as the ones shown below – and then take steps to bring your pH levels back to normal.
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pH Ranges For Bedding Plant Seedlings
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Plant |
pH |
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Most Bedding Plants |
5.4 - 6.8 |
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Celosia |
6.0 - 6.8 |
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Dianthus |
6.0 - 6.8 |
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African Marigolds |
6.0 - 6.8 |
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Geranium |
6.0 - 6.8 |
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Pansy |
5.4 - 5.8 |
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Petunia |
5.4 - 5.8 |
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Salvia |
5.4 - 5.8 |
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Snapdragon |
5.4 - 5.8 |
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Vinca |
5.4 - 5.8 |
Source: North Carolina State University Plug Research Group
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