Stone

Yep. It's usually a result of light being on the higher side of what they can handle and/or environmental conditions that trigger their...

Speculation... Flowering is triggered by hormone secretion driven by environmental factors. Therefore, it may be that when our plants...

That depends on your water, your fertilizer and your potting mix. That is an unqualified, sweeping comment by those two authors. Eg., If...

There are 2 kinds of epiphytic orchids. The type which grow only on bark like Phalaenopsis or Vanda etc., and those which grow in...

True but you still need to watch the P.

Charles, as is done with hundreds of thousands of container growth plants in soilless mixes around the world every year, calcium and...

They ''all worked'' because you supplied some N to a plant which would otherwise starve.. In the long run however, they would not work...

Your feed is.. N 20% - P 8.8% - K 16.6% That is a P/N ratio of 0.44 which is more than double the P you actually need but they look...

When I use bark I use the orchiata but lately I have switched to platycerium fire (along with charcoal, perlite and a little bark -...

A bit off topic, but it's worth remembering too that leaching is a common (if not the most common) reason pH drifts down even with 50/50...

+1 on the Tanaka sourced advice. i'm almost 5 years into that experiment with my brachys and 1 parvi... 10 growth niveum in flower...

No, not really but eventually they climb out of it a bit. If that happens I just a mulch of some fibre or something to cover the bases...

Yes but I can only afford to keep those temps in a very small area.

You can use pumice, polystyrene, good bark, charcoal, small bits of fern fibre, even a little coarse gravel or coarse perlite or...

Thanks Tom and all. I had it in a ''hot chamber'' with lights overhead. Min about 18-20 max about 30. Pot was selected after learning...