Magnetotropism, the growth response of plants to magnetic fields, is a fascinating phenomenon that can be observed in outdoor plant boxes. Certain plants are more responsive to magnetic stimuli, making them ideal for experiments or educational demonstrations. Here are some of the best plants to showcase magnetotropism in outdoor settings:

1. Sunflowers (Helianthus annuus) – Known for their heliotropic behavior, sunflowers also exhibit sensitivity to magnetic fields, making them excellent candidates for magnetotropism studies.

2. Pea Plants (Pisum sativum) – Fast-growing and responsive, pea plants often show noticeable root and shoot adjustments when exposed to magnetic fields.

3. Barley (Hordeum vulgare) – This cereal crop has been studied for its magnetotropic responses, particularly in root development under varying magnetic conditions.

4. Cress (Lepidium sativum) – A quick-growing herb, cress is often used in classroom experiments due to its visible reactions to magnetic stimuli.

5. Corn (Zea mays) – Corn seedlings demonstrate measurable changes in growth patterns when subjected to magnetic fields, making them suitable for outdoor experiments.

To observe magnetotropism, place these plants in outdoor plant boxes near magnets or electromagnetic setups. Monitor their growth direction and compare it to control groups without magnetic exposure. This simple yet effective experiment can reveal how magnetic fields influence plant biology, offering insights into agricultural applications and plant science.

By selecting the right plants and maintaining consistent conditions, you can successfully demonstrate magnetotropism in your outdoor garden or educational project.