[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Isoetes japonica
>Does anyone have experience growing Isoetes japonica? I am thinking
>of trying this species out and am wondering the following:
> 1. Does it need any special conditions beyond CO2 injection, pH
>around neutral, soft water, temps around 78 degrees F?
> 2. How fast/slow does it grow? If one buys a plant about 1"
>square at the base and 12" tall, how long until it puts out longer
>leaves and becomes broader at the base?
I have Isoetes sp. that I haven't identified. It is a central Texas
native, but that doesn't exactly narrow it down.
Mine is in moderately hard water (120 ppm CaCO3), pH 6.8 (CO2
injected), temp 75-80 F, soil/vermiculite substrate and PMDD.
It grows VERY slowly. Mine has not grown any taller (~12"), but has
gotten bushier in the past 6 months (perhaps a 25% increase in
"bushiness"). In contrast, all my other plants have at least doubled
their biomass in the same time period.
I really enjoy this unusual-looking plant, and the fact that it
doesn't require regular pruning and doesn't try to take over the
aquarium makes it even more attractive to me. It's a very well