Nutational stellartropism, a fascinating plant movement influenced by light and gravity, can be vividly observed in outdoor plant boxes. Certain plants exhibit this phenomenon more prominently, making them ideal for study or decorative purposes. Here are the best plants to showcase nutational stellartropism:

1. Sunflowers (Helianthus annuus) – Known for their dramatic heliotropism, sunflowers also display subtle nutational movements as they track the sun.

2. Morning Glories (Ipomoea purpurea) – Their twining stems and rapid growth make their nutational responses to light highly visible.

3. Bean Plants (Phaseolus vulgaris) – Fast-growing and responsive, bean plants exhibit clear nutational movements as they climb and seek sunlight.

4. Sweet Peas (Lathyrus odoratus) – These climbers show elegant nutational patterns, perfect for observing light-driven growth.

5. Passionflowers (Passiflora spp.) – Their vigorous vines and tendrils demonstrate intricate nutational adjustments.

For optimal results, place your outdoor plant boxes in a sunny location and monitor the plants' growth daily. Nutational stellartropism not only highlights plants' adaptability but also adds dynamic beauty to your garden. Experiment with these species to witness nature’s rhythmic dance toward light.