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Nepenthes are yellowing


Question

Nepenthes
I purchased several Nepenthes from Lowes kept in plastic boxes. I believe they are Judith Finn hybrids, but have been told they may be N. alata (spelling?).

Upon purchase, I re-potted them in a mix of sphagnum moss, peat moss, perilte and fur bark. Similar to orchid mixes...

I'm keeping them outside in South Carolina in indirect sun and they receive a good amount of shade. The average day temp is high 80's to low 90's and the humidity varies between 20%-40%.

They are not kept in standing water, but the substrate does stay moist and drains well. They get watered daily w/ tap water. I believe the TDS is in the neighborhood of 50 ppm. My S. purpurea, Scarlet Bell Pitcher Plant, S. leucophylla x S. psittacina (i think it is, or it's a parrots pitcher)and venus flytraps all seem to do well with the tap water

The leaves have been turning pale and yellowing... is it the heat and humidity?

I attached two pics. The one on the left is to show what is happening to the plant. The one on the right is to help identify it.

Thank you in advance,

Will

Answer
Hi Will,

It mostly looks like your plant is just having to adjust from being in those cubes to more normal humidity.  You may need to cut off those older leaves eventually.

For now, just keep your plant mostly shady like your doing.  Try giving it a solution of Superthrive along with a weak orchid fertilizer.  It should be mixed at 1/4 tsp. per gallon of water.  Give it this every two weeks.  Then just give your plant time.  Your outdoor humidity is fine, and it always takes plant awhile to recover after being in those cubes.

From the photo, I would say your plant is probably Nepenthes ventricosa.  Judith Finn tends to have spots.

Good Growing!

Jeff Dallas
Sarracenia Northwest
http://www.cobraplant.com

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