Hi, you are still under the influence of the coastal clouds. Lots of moisture in the sky. You probably have a better diurnal temperature range than I do too. Are they in sheath yet? Tenebrosa as I understand them like a little more potassium and phosphorus to bloom well. If in sheath feed them with a bloom booster every 3rd or 4th watering. I feed mine that way even though most of them aren't yet ready to bloom because they are too young. But I have a tenebrosa x peckhaviensis that grew a sheath but I gave it too much water and rotted the flower buds inside the sheath. I was bummed. Now I water those in sheath less than those still maturing. What do you grow them in? How often do you feed them and what do you feed them? I grow mine in my usual medium bark, sponge rock or lava cinder) and charcol. All medium sized and water once a week for this temp and humidity. I know they like to dry out completely between waterings. I didn't before and lost them all. Rotted the roots right off. I have a schilleriana that is left over from that batch and has never recovered. Leather for leaves and just can't get it to go but it won't die either.
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