![](https://images.prismic.io/aosweb/18e5722e-115e-486e-8dae-e42c52689b7f_Greenhouse+Chat+September+2019.jpg?auto=compress%2Cformat&rect=68%2C0%2C836%2C400&w=1920&fit=max)
![Background Image](https://images.prismic.io/aosweb/e9a633d7-4e25-4cea-9351-6f839d502668_header-bg.jpg?auto=compress%2Cformat&fit=max&w=3840)
![](https://images.prismic.io/aosweb/18e5722e-115e-486e-8dae-e42c52689b7f_Greenhouse+Chat+September+2019.jpg?auto=compress%2Cformat&rect=68%2C0%2C836%2C400&w=1920&fit=max)
Summary
Note the specific times below if you wish to watch or listen to those topics.
05:12 When to use a fungicide preventatively. What fungicide to use and how to use it.
14:00 Leaf damage from sunburn.
19:33 Leaf damage Leaves falling off and yellowing from dehydration
22:08 Leaf tip damage
24:36 Leaf damage die back
27:13 Fungus from too wet potting mix
31:18 Bud blast causes
35:15 Black spots on Oncidium leaves
37:38 Cattleya not growing well
40:24 Dendrobium kingianum not growing well
43:45 Phalaenopsis root loss and fungus
47:38 Phalaenopsis bellina and temperature effects
52:23 Adopting orchids that are near dead
55:14 Leaf spotting in general
58:03 Fungus on new cattleya growth under LED lights
Also in This Category
![](https://images.prismic.io/aosweb/7b375933-661c-49a7-bba8-9d59857fba50_AOS+Greenhouse+Chat+with+Ron+McHatton.jpg?auto=format%2Ccompress%3Fauto%3Dcompress%2Cformat&rect=0%2C13%2C510%2C244&w=1920&fit=max)
Greenhouse Chat July 2024
![](https://images.prismic.io/aosweb/7b375933-661c-49a7-bba8-9d59857fba50_AOS+Greenhouse+Chat+with+Ron+McHatton.jpg?auto=format%2Ccompress%3Fauto%3Dcompress%2Cformat&rect=0%2C13%2C510%2C244&w=1920&fit=max)
Greenhouse Chat June 2024
![](https://images.prismic.io/aosweb/7d9c3223-8cad-443a-b327-1b2af9816cb2_Greenhouse+Chat+Header.jpg?auto=compress%2Cformat&rect=0%2C0%2C920%2C440&w=1920&fit=max)
Greenhouse Chat May 2024
![](https://images.prismic.io/aosweb/7b375933-661c-49a7-bba8-9d59857fba50_AOS+Greenhouse+Chat+with+Ron+McHatton.jpg?auto=format%2Ccompress%3Fauto%3Dcompress%2Cformat&rect=0%2C13%2C510%2C244&w=1920&fit=max)
Greenhouse Chat April 2024
![](https://images.prismic.io/aosweb/7d9c3223-8cad-443a-b327-1b2af9816cb2_Greenhouse+Chat+Header.jpg?auto=compress%2Cformat&rect=0%2C0%2C920%2C440&w=1920&fit=max)
Greenhouse Chat March 2024
![](https://images.prismic.io/aosweb/7d9c3223-8cad-443a-b327-1b2af9816cb2_Greenhouse+Chat+Header.jpg?auto=compress%2Cformat&rect=0%2C0%2C920%2C440&w=1920&fit=max)
Greenhouse Chat February 2024
![orchids-marketplace](https://images.prismic.io/aosweb/255bb704-8f6a-46ff-9392-38538be7b144_OrchidMarketplace.png?auto=compress%2Cformat&fit=max&w=640)
FREE ACCESS: Orchid DealWire
Get notified when orchid vendors have special promotions and exclusive savings.
![Hero-img3](https://images.prismic.io/aosweb/222d1c87-34c0-47ec-8669-1a2da5768b2a_hero-img3.webp?auto=compress%2Cformat&fit=max&w=3840)