I have three small trays of Sarracenia seedlings, grown from seed, approximately 1 inch tall. Some of the pitchers have turned brown. Have you any idea why this may be? I sowed the seed at the end of August and we're currently in UK winter so they have been on a heat mat since the end of October, and they are covered. I regularly lift the cover and waft them to exchange the air. The temperature inside the containers is roughly constant at 20°C (68°F). They are standing in 2cm of water which I have changed once a month. Could they be too hot? Maybe it's too humid? Could it be a lack of light? The window is west-facing and the days are short and the sun is low. They're in a 50/50 of sphagnum peat and perlite the same as I always use. I have sprayed them a couple of times with diluted fertiliser, onto the plants, not the peat. Could this be the problem? Thank you for any advice you can give me.
(Submitted in January 2022.)
RESPONSE BY JEFF DALLAS:
Lack of light is the biggest issue here, and I would also add excess humidity. Over the years we have scrapped entirely using humidity domes for germinating Sarracenia. They cause more problems than they solve. An alternative approach is to sow the seeds, then cover them with a thin layer of peat; just enough to not be able to see them. This helps with fungal issues. After that, spray the soil with a fungicide.
• Submitted in January 2022. The original question and response have been edited for publication.
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