Quote:
Originally Posted by Ranchnanny
Anyone out there have any advice on the Tolumnia mini's should I repot them in slightly bigger pots?  Sheridan
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Sheridan, here's a quote from the link to the other thread I posted several pages ago. It's from Ross. I moved mine to 2" net pots in charcoal, but it probably would have been better in 3". Either way it's growing a new growth so it must be happy. I'm following Ross's advice to a T.
No, no, no! These guys like to totally dry out between waterings. Those leaves are extremely drought tolerant. Mine are planted in large chunk Ag charcoal in baskets (I think they are called net pots) designed for sphagnum. In other words totally dry within an hour or so of watering. I have a couple in larger pots (the net pots sit in large clay pots to keep them from tipping over). Yours is being kept way to wet for this genera, in my opinion, and your in danger of losing it. Here's my recommendation:
1) Get it out of bark mix. Totally. Tease all the bark chunks away from the roots.
2) Soak it for a half hour in KLN mixed for transplanting Product Listing - Dyna-Gro K-L-N Root Growth Stimulant - 8 ounce Bottle
3) Get some large chunk agricultural grade charcoal (not the stuff for charcoal grills!) and a pot or basket not much bigger than the original pot.
4) repot the plant with this medium. Proper repotting means you'd be tapping the pot as you add the charcoal, to settle the chunks.
5) Don't water more often than every-other day.
6) Slowly acclimate it to nearly full sunlight. The leaves on the sun side should be slightly purple - not bright red. Purple edges to the leaves is OK.
By the way, in nature, these guys grow at the tops of trees attached to twigs in full sun on Carribean Islands. That's pretty bright light.
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Ross
Orchids by Ross