Agree with everyone's speculation and would add a summary:
1. Vanda require a lot of sunshine, if its neighbor, the ficus tree, is flourishing in this window, the Vanda would also benefit, in front of the window, not getting blocked by the tree.
2. Vanda culture requires warm, fresh, humid air. Being ensconced that close to the floor probably didn't receive enough air movement to keep the plant from getting crown rot. Using the ficus tree as an example, the best leaves are probably towards the window and closer to the top of the plant. That would be the optimal location for the Vanda.
3. Growing in a glass vase is a good way to grow Vanda if there is limited access to water. However, I would have propped the Vanda plant closer to the top of the vase where the leaves are fully above the rim, and let the roots hang into the pot. I would also put an inch layer of pebbles or similar material, and let water barely cover the pebbles. As the water evaporates, it will provide moisture to the roots. It would be debatable to let the roots stay in the water--but that is probably preferable than being dried out so much between watering.
4. If you could increase your watering visits to one extra day, like a Wednesday, that would sustain the plant too--and probably that extra visit would be appreciated by your grandmother?
If you were to replace this plant, I would put it in a plant stand or TV table, closer to the window.
Last edited by MattWoelfsen; 09-02-2017 at 10:11 AM..
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