From our perspective, wilting is our most dramatic and urgent signal of distress. Our stems are not strong and woody; they are herbaceous and full of water. When the soil moisture is insufficient, our cells lose turgor pressure—the internal water pressure that keeps us upright. We simply cannot hold ourselves up. Conversely, if the soil is too wet and lacks oxygen, our roots begin to suffocate and rot, making them incapable of absorbing any water at all, leading to the same wilted appearance. Furthermore, we are exceptionally sensitive to heat and sun. Our delicate leaves and stems are adapted to the cool, dappled light of the forest floor. Direct, hot afternoon sun acts like a blowtorch, accelerating water loss from our leaves far faster than our roots can replenish it, causing us to collapse.
When our leaf tips and edges turn brown and crispy, it is often a tale of abiotic stress. The most common narrative is leaf scorch. This is not a disease but a physical injury. Intense sunlight, especially when coupled with dry soil or wind, literally burns our tender foliage, killing the cells and turning them brown. Alternatively, inconsistent watering—allowing our soil to become completely dry before a deluge—creates immense stress, damaging root function and leading to die-back at the leaf margins. In some cases, a browning that starts from the base of the plant and moves upward, particularly if accompanied by blackening stems, points to a fungal issue like root rot, which is a direct result of our "feet" being stuck in constantly soggy, oxygen-deprived soil.
When we simply fail to thrive, appearing stunted, producing few flowers, or looking generally lackluster, the problem almost always lies at our roots and in our environment. Our number one requirement is the right soil. We demand well-draining soil that is consistently moist but never waterlogged. Heavy, compacted clay is a death sentence for us; it drowns our roots and prevents them from spreading. Simultaneously, we are heavy feeders. We expend a tremendous amount of energy on our prolific spring growth and bloom. If the soil is nutrient-poor and not supplemented with a slow-release, balanced organic fertilizer or compost, we quickly exhaust our resources and have nothing left to sustain ourselves through the season.
It is crucial to understand our inherent nature. We are ephemeral perennials. Our above-ground growth is not meant to last the entire growing season. As summer heat intensifies, our natural response is to begin our dormancy process. Our foliage will yellow and brown, and we will retreat back into our roots to rest until the cool days of next spring. This is not a sign of failure but of our perfectly normal lifecycle. Attempting to keep us in active growth through a hot summer is a fight against our very genetics and will only lead to stress and disappointment.