Greenhouse Chat August 2025

Ron McHatton

Thursday, August 7th, 2025

8:30 PM – 9:30 PM EDT EST

Join Dr. Ron McHatton as he answers your questions about all things orchids. Please send your question and pictures to Sandra Svoboda at greenhousechat@aos.org by August 4, 2005.

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Greenhouse Chat Index August 2025

06:10 Air flow for orchids

09:27 Oncidium pleated leaves

12:49 Pesticide use indoors

15:32 Misting your orchids

18:07 Growing under lights rating the light

23:43 Dendrobium leaf spots

28:40 Leaf spotting possible fungal infection

32:26 Buying orchid seeds WARNING

34:10 Leaf blister damage on cattleya

36:39 Dendrophylax lindenii Ghost orchid

40:08 Oncidium black spots on leaves

45:31 Bacteria leaf spotting

46:34 Heat stress

48:00 Phalaenopsis heat damage

51:49 Air movement for indoor growing

53:06 Setting your light timer

55:41 Disposing of leftover chemicals

58:54 Dendrophylax lindenii Ghost orchid watering

1:03:22 More about treating indoor orchids

Greenhouse Chat July 2025

Ron McHatton

Wednesday, July 2nd, 2025

8:30 PM – 9:30 PM EDT EST

Listen as Dr. Ron McHatton answers questions that were submitted in advance of the recording. Should you have questions that you would like to submit, please forward them along with photographs to Sandra Svoboda at greehousechat@aos.org at least 3 days prior to the next scheduled Greenhouse Chat.

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