Supplemental light: PPFD vs Foot Candles

[Ray]

Yes, indeed. The sun path does change depending upon the latitude and longitude.

You can see your own HERE.

However, the recommendations given by most books and the AOS are generally based upon plants grown in greenhouses in temperate locations, so if nothing else, are a good starting point for evaluation.

I mean - really! Nothing in orchid growing is cast in stone.

[Kosmo83]

Originally Posted by Ray

Yes, indeed. The sun path does change depending upon the latitude and longitude.

You can see your own HERE.

However, the recommendations given by most books and the AOS are generally based upon plants grown in greenhouses in temperate locations, so if nothing else, are a good starting point for evaluation.

I mean - really! Nothing in orchid growing is cast in stone.

Sorry, this time I used google-translate for some parts:

I am always amazed, be it in terraristik, aquariums or plants, that the keepers have previously managed to keep them alive and breed them, despite inadequate simulation of local conditions.

On the one hand, it shows the sensitivity of the caretaker, but also how adaptable our plants and animals are.

Nevertheless, I think that with today's possibilities to travel to the areas as well as the technical resources, perhaps we should rethink some facts, like the PPFD-recommondations for cattleya