How much fertilizer?

[Ray]

Originally Posted by mascia

Thanks for all the replies!

I think Ray's approach is really interesting, but I do believe it's hard to compare orchids growing for someone at 40°N with my orchids growing at 24°S or for someone even closer to the equator.

A lot depends upon your selection of plants, and how you're growing them.

For example, I'd bet that in my greenhouse, the conditions are quite similar to those at the equator, except for natural daylength variations....