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Discussion Starter · #1 ·
I recently got Water Wisteria for my planted aquarium and my plants are now more like bushes. I was wondering if there is any specific way that I needed to trim and replant it? Also, wil running a course bubble air stone take too much CO2 out of the water? My fish seem more active with it running, but if I can't run it, its not that big of a deal.
 

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Discussion Starter · #3 ·
Wow, that is simple!! Thanks! Another question, can I trim Water Onion?
 

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On the Wisteria, as Mitch said, you can cut off the lower portion (as much as you want, this part often loses its leaves anyway), then remove the leaves from the lower nodes that you intend sticking into the substrate, and stick the cut end in.

If you snip a growing tip, it will branch from that node. This would create a bushier plant, should that be needed. Any of these shoots can then be cut off and planted as new plants.

Byron.
 

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With certain stem plants, pruning absolutely encourages growth, especially in the form of creating bushier plants. Others, such as Brazilian Pennywort, don't seem to appreciate it.
 

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just curious, as far as wisteria and water sprite go if left untrimmed will these grow to a unlimited height? or do they have a maximum they reach? what happens when they reach that maximum height do they bush out or put runners off like crazy.
You have mentioned two very different forms of plant, so let's first separate.

Wisteria is a stem plant. All stem plants will continue to grow if not affected by something. Wisteria for instance, if a stem is stuck in the substrate, will grow toward the light at the surface, and if left alone will then grow along the surface or into the air, towards the light. This is why we can control stem plants by continually trimming the upper portions of the stem and replanting. It is the same stem after all, just being shortened by us periodically. When allowed to continue unaffected, the lower portions generally lose leaves, since the plant is inherently wanting to grow (photosynthesis, which produces its energy food) and the leaves at the tip will naturally be close to the light and more productive. To my knowledge--but I stand to be corrected by a botanist--stem plants have no maximum length; the length is determined by those external forces like light, surface, tank lid, available nutrients, etc.

Water Sprite is not a stem plant but one having a crown from which the leaves and roots emerge. I'm sure there is a botanical name for these, but it escapes me. In these plants, the leaves do tend to grow to a maximum length, but I've no idea what this might be for the fern Ceratopteris. I have had them extend across the aquarium surface to a distance of close to 18-20 inches (each frond or leaf).

Byron.
 

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was unaware they were different forms =O my water sprite has a stem on it that's about 12-13 inches tall. that stem or node or not sure correct term has stopped goriwng upwards and now seems to just be bushing out. its seems there are new runners from the taller stem node or w/e weekly. anyway you think i could force this plant to get taller or has it more then likely got as tall as it can.
 

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was unaware they were different forms =O my water sprite has a stem on it that's about 12-13 inches tall. that stem or node or not sure correct term has stopped goriwng upwards and now seems to just be bushing out. its seems there are new runners from the taller stem node or w/e weekly. anyway you think i could force this plant to get taller or has it more then likely got as tall as it can.
I'm not understanding the "stem" point, perhaps a photo?

As I said previously, a rosette plant usually has a maximum size, at least according to botanical data, which is maximum when the plant has what it needs in terms of light and nutrients, space, no adverse issues, etc. The length would depend also on the species.
 

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water sprites sprout leaves from a central point near the roots where water wisteria sprouts leaves from a central sten :) sometimes the water wisteria has really thick central veins for their leaves which may be mistaken for a stem ^_^
 

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Back in the days of under gravel air pump driven filters and incandescent light, my water sprites (Indian Ferns) routinely grew to the top of the 29g I had and were big full plants. Now I can't even successfully use them as floaters.
 
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