The Rose of Jericho, Selaginella lepidophylla, is a desert plant known for its ability to endure extreme dryness and unfurl when exposed to moisture. Often called a “resurrection plant,” it transforms dramatically from a seemingly lifeless ball to a vibrant, fern-like specimen. This article guides you through propagating this fascinating plant, covering both rehydration and true division methods.
Understanding the Rose of Jericho’s Nature
The Selaginella lepidophylla is a spikemoss native to the Chihuahuan Desert of the United States and Mexico, thriving in harsh, arid conditions. Its survival mechanism involves entering a dormant state when water is scarce, curling into a tight, ball-like structure. In this desiccated form, it can lose up to 95% of its water content and remain dormant for years without damage.
This plant’s resilience is due to its ability to synthesize trehalose, a specialized sugar, and betaines, which protect its cells during dehydration. When moisture becomes available, the plant rapidly absorbs water, causing its stems to unfurl and its leaves to regain their green hue, resuming photosynthesis. While rehydration is often colloquially called “propagation,” it differs from traditional methods like growing from seeds or cuttings. True propagation occurs through division once the plant is established.
Preparing for Propagation
When acquiring a Rose of Jericho, ensure it is a healthy specimen, even in its dormant, ball-like state. Look for one that feels firm and intact rather than crumbly. For rehydration, select a shallow, wide dish or container without drainage holes. A layer of pebbles or gravel at the bottom of the dish is often used, allowing the plant to rest on them while its roots touch the water.
Rose of Jericho plants are sensitive to chemicals like chlorine found in tap water. Use distilled water, rainwater, or tap water left out overnight to allow chlorine to dissipate. This provides a cleaner environment for the plant’s revival.
Methods of Propagation
Rehydration and Revival
To rehydrate your dormant Rose of Jericho, gently place the dried plant onto the pebbles in your chosen dish, ensuring its base is in contact with the water. The water level should cover the pebbles and touch the plant’s bottom, but not fully submerge it. Within three to four hours, the plant will begin to unfurl, with full revival and greening occurring over several days.
During this revival period, replace the water daily or every other day to prevent mold and maintain freshness. Do not leave the plant in constant water indefinitely, as this can lead to rot. After a few days of being fully unfurled and green, allow the plant to dry out completely before rehydrating it again. This mimics its natural desert cycles.
Division
Once a Rose of Jericho has fully unfurled, established itself, and grown larger, it can be propagated through division. This involves carefully separating sections of the plant. Identify natural clumps or offsets that have developed around the main plant, each ideally possessing its own root structure.
Using sterilized scissors or a clean, sharp knife, carefully cut or gently tease apart a section, ensuring the new piece has a portion of the fronds and some roots. This division is best performed in spring or late fall. Place the newly separated section onto a bed of pebbles with shallow water, similar to the initial rehydration process. New growth should become visible within a few days.
Caring for Your Revived Plant
After successful rehydration or division, ongoing care is important for the Rose of Jericho’s long-term health. The plant requires a necessary dry period to prevent rotting and mimic its natural habitat. A common practice is to allow the plant to remain in water for five to seven days, followed by a complete dry period of at least one to two days. Some suggest a longer dry period, such as one week without water each month.
Place your revived plant in a location that receives bright, indirect light. While a desert plant, direct, intense sunlight can scorch its delicate fronds when hydrated. Average room temperatures are suitable, between 65 and 85 degrees Fahrenheit. Ensuring good air circulation also helps prevent mold development.
Troubleshooting Propagation Issues
If a dormant Rose of Jericho does not unfurl, it might be due to prolonged dormancy, or the plant may no longer be viable. Ensure the water used is clean and non-chlorinated, as water quality can impact revival.
Mold or rotting can occur if the plant is left in water too long without a dry period, or if the water is not changed regularly. If mold appears, remove the plant from water, rinse it thoroughly, and allow it to dry completely before reintroducing it. Conversely, if the fronds turn brown or crispy during its active phase, it may indicate insufficient water or too much direct sun. Move the plant to a shadier spot and ensure consistent, but not constant, hydration cycles.