Pennycresses, a low-growing perennial, has basic care requirements of ample sunlight, well-draining soil, moderate watering, and cooler temperature preferences. Several challenges gardeners might encounter with this genus are pests like aphids, diseases such as leaf spot, and wind or frost sensitivity. Pennycresses species become dormant during hot months, requiring less watering but still necessitating a watchful eye for pests and disease. Fall is the most crucial season for pennycresses, with the need for proper mulching to protect winter-hardy varieties from excessive cold.