From my perspective as an Aechmea, the appearance of a pup, or offshoot, is not an anomaly; it is the pinnacle of my life cycle. My central rosette, which produced the magnificent flower spike you admired, is monocarpic. This means it will naturally begin to die after flowering. The pup is my primary strategy for genetic continuation. It is a clone, emerging from a node at my base, ensuring that my specific genetic lineage persists. This vegetative reproduction is a testament to my good health and the successful completion of my flowering phase.
For the pup to survive on its own, it must reach a certain level of maturity. Separating it too early would be a death sentence for it, as it lacks the root system and stored energy to sustain itself. The ideal time for separation is when the pup is approximately one-third to one-half the size of the original plant. More importantly, it should have developed its own set of roots. You can gently brush away the surrounding soil or growing medium to check. If roots are present and the pup is a substantial size, it is physiologically ready to become an independent organism.
The process of removing the pup should be done with care to minimize damage to both me (the parent plant) and the offspring. Using a clean, sharp knife or pruning saw is crucial to prevent crushing my tissues and introducing pathogens. The pup is connected to me by a stem-like structure. Make a clean cut as close to my main body as possible, ensuring the pup retains its own roots. It is normal for my original rosette to be in decline; this is a natural part of my process. After separation, any wounds can be dusted with a fungicide like cinnamon powder to prevent infection before potting.
Once separated, the pup should be potted in a fresh, well-draining bromeliad mix. Its small root system is vulnerable to rot, so the medium must allow for excellent drainage and aeration. Water the newly potted pup by lightly moistening the soil and, more importantly, by filling its central cup (the vase) with water, just as you would for a mature plant. Place it in a location with bright, indirect light and warm temperatures. With proper care, the pup will establish itself, grow to maturity, and in a few years, it will complete the cycle itself by producing a spectacular flower and, eventually, its own pups.