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Nasturtium

{Tropaeolum majus}
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Boron deficiency in nasturtium

Symptoms of boron deficiency in nasturtium include:

  • Dark green growth of the terminal growing point
  • Considerably reduced terminal growing point
  • Leaves are small and distorted

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 650 customers with more than 1,800 delivery locations globally. We supply around 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles. Learn more about Rio Tinto.

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