Up for grabs is x1 Welwitschia mirabilis seedling!
Age: 7 months old
Gender: too soon to know
Both true leaves are just over 6 inches long.
Current environment its been in:
Daily year round air temp = 85-90F
Media = 3/16" pumice (Brand is General pumice, I buy it on ebay, somewhat expensive, but they do great in pumice).
Relative humidity = 70% (due to grow tent). ***You do not need to grow them in high humidity***
Lux = around 12000
PPFD = around 277
DLI = around 24
Fertigation = every 2-3 days. This changes due to other variables.
They are not succulents, do not ever let them dry out. Leaves will dieback rapidly if you treat it like a succulent and can dieback fast.
They do have taproots, but mostly rely on secondary roots (smaller, white roots) to take up water and ions.
Leaves tear easily at any age, but will grow back from the meristem in due time.
Cotyledons are still attached, and can be present for the next month to the next year or so.
These can be grown inside a controlled greenhouse outside and inside. They like high indirect LED light if its inside. Do not expose them to direct sunlight.
Once you get it, flush it with fertilizer water. Do not let roots sit in water. Can stay in this pot for another few months, but is ready for a slightly deeper pot. Avoid breaking roots, specifically the secondary roots. Gently flip the pot upside down, gently pat it out, and then place it in its new container and backfill with new pumice of the same size. Fertigate daily for 2 weeks and then go on your own watering schedule from your own environment variables.
New growth is light green to bronze in color and eventually changes to normal chlorophyll levels. A new environment may make the leaves more relaxed which is normal.
You can add a bit more organics to pumice, but please remember to adjust your watering schedule.
For more cultivation tips, feel free to reach out to me after purchasing!