Greenhouse Chat January 2026

Ron McHatton

Thursday, January 8th, 2026

8:30 PM – 9:30 PM EST EST

Orchid Q&A. Find answers to questions you did not even know you had.

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Greenhouse Chat Index January 2026

05:29 Dendrobium winter rest

15:03 Jewel red spots on the leaves

19:44 Cattleya twisted leaves

22:57 Phalaenopsis rehab

28:35 Epson salts converting measurements

31:12 Dark markings on the underside of leaves

32:38 Pron Tech

35:25 Cattleya purple blotches on the leaves

38:10 Cattleya black spots on the sheaths

41:11 Dendrobium lindleyi watering and blooming

43:23 Phalaenopsis leaf spots

45:38 Phalaenopsis leaf problems

48:59 Cold temperature damage

50:38 Phalaenopsis yellow leaves

53:24 Growing is low humidity areas

55:27 Phalaenopsis leaf discolored

56:07 Pesticide/fungicide rotation

58:10 Description of bactericide use

Greenhouse Chat November 2025

Ron McHatton

Tuesday, November 4th, 2025

8:30 PM – 9:30 PM EST EST

Listen as Dr. Ron McHatton answers your questions about all things orchids. For future Greenhouse Chats, Please send your question and pictures to Sandra Svoboda at greenhousechat@aos.org at least three days prior to the webinar.

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Greenhouse Chat October 2025

Ron McHatton

Thursday, October 9th, 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 October 6, 2025.

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Greenhouse Chat August 2025

Ron McHatton

Thursday, August 7th, 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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