The plant commonly known as the Rose of Jericho is a true botanical curiosity, primarily due to its remarkable ability to seemingly return to life after being completely dried out. However, two different species share this evocative common name: Anastatica hierochuntica, the “True” Rose of Jericho native to the Middle East, and Selaginella lepidophylla, the “False” Rose of Jericho or Resurrection Plant, which is native to the Chihuahuan Desert of North America. The plant most frequently sold and kept as a houseplant is Selaginella lepidophylla, a type of spikemoss that does not require soil to grow. This article focuses on the care of Selaginella lepidophylla because of its prevalence and easier maintenance requirements. Its unique physiology allows it to enter a state of suspended animation.
Light Needs and Optimal Placement
When actively unfurled and green, the Selaginella lepidophylla prefers bright, indirect light rather than direct, harsh sunlight. Exposure to intense, direct rays, particularly through a windowpane, can easily scorch the delicate, moss-like fronds, especially if the plant is wet.
The best placement indoors is near an east or north-facing window, which provides gentle morning light or consistent ambient brightness. If you only have a south or west-facing window, the plant should be positioned several feet away from the glass or shielded by a sheer curtain to diffuse the light. Consistent, bright, indirect exposure is necessary for the plant to maintain its vibrant green color and compact, rosette shape.
The Phenomenon of Resurrection
The plant’s namesake ability stems from a biological process called anhydrobiosis, which is a state of reversible suspended animation achieved through extreme desiccation tolerance. When water becomes scarce in its native environment, the plant curls inward, forming a tight, brown ball that minimizes its surface area. In this dormant state, the plant can lose up to 95% of its internal water content and remain viable for months or even years.
To keep the Rose of Jericho healthy and prevent rot or mold, this desiccation cycle must be intentionally managed by the caretaker. It is recommended to keep the plant hydrated for a period of two to seven days, allowing it to fully unfurl and turn green. After this, it is necessary to remove the water and allow the plant to dry out completely for a period of at least a few days to a week.
This necessary period of complete drying allows the plant to rest and mimics the natural drought cycles it experiences. Without this intentional dormancy, constant moisture will lead to decay, as the plant’s tissues are not designed for prolonged submersion.
Routine Watering and Environmental Care
When the Rose of Jericho is actively green and hydrated, its care focuses on maintaining a clean and moist environment. The plant is typically grown without soil, often placed on a bed of pebbles or gravel in a shallow dish, with water added just below the base of the plant. This method prevents the plant from sitting directly in standing water, which is a common cause of rot and mold.
It is highly beneficial to use distilled water, rainwater, or tap water that has been left out for 24 hours to allow chlorine to dissipate. The plant is sensitive to the minerals and chemicals found in standard tap water, and using purified water helps prevent the buildup of white residue on its fronds. The water in the dish should be changed every day or two to ensure cleanliness and prevent the growth of bacteria or fungi.
The plant thrives in high humidity when actively growing. Average room temperatures, ideally between 65°F and 75°F, are well-suited for its active growth phase. Occasional light misting can also help maintain the high moisture content of the fronds.