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Posted by DBA1954 6 - Buffalo area (My Page) on
Sun, Feb 26, 12 at 12:51

My wife have a number of flats where a green moss took over on the soil and for the most part her plants aren't doing well or didn't germinate. I have been growing pepper/tomatoe and stuff in the same are without issue. She started ann of hers with sterile seedling starter and domes (I didn't use them), removing when some of the plants started to appear, then the moss came. Should sh be attempting to grow without the domes?

Follow-Up Postings:

RE: moss?

The green "moss" on the flats is probably algae. It shouldn't harm the seedlings except that it competes for the soil nutrients and tends to keep the soil surface from drying out properly. Algae is usually caused by the soil being too wet (which is pretty common when using peat-based mixes).

I've included a link (below) that should be helpful.


Here is a link that might be useful: Algae

RE: moss?

Agree. Too wet and not enough air circulation. Cutting back on watering and using a small fan to increase air circ solves the problem.

As to using the domes - not a direct cause of the alage, too wet soil under the dome was. But not using them to begin with is a definite plus. If used they MUST be removed as soon as the plants even begin to break the soil surface.

The darn advertisers that show all these pics of plants happily growing under the domes do gardeners a real dis-service.


RE: moss?

I think a large part of the difference between your success and your wife's problems, is related to the fact you are growing seeds that germinate in three days, while hers takes three weeks. Al

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