I think the 2nd one may be Aglaonema, but agree with the advice, and not just moving to smaller pot, but make sure to remove old soil and replace with new. A very tough plant but won't tolerate too much sogginess. It looks like you're avoiding that by only wetting the middle. But without flushing the soil periodically by letting water flow through and out the drain hole in the bottom, toxins are buiding up in the soil and inhibiting this plants' growth. Understandable in an office, but will cause a problem over time if not addressed. Another option might be to keep the same pot, get new soil, and add more plants to the pot so the pot is filled with roots and use the moisture faster. Some pieces of Tradescantia zebrina or something with a similar growth habit would cover the soil surface and trail around the edges of the pot, for a much more pleasing overall appearance.

Hi. That is the Purple Alamada vine. I have it in my yard here in south Fla. I am trying to find out how to root it. So far ,no replies. But thats what it is. you can make it grow as a shrub or a vine on a fence,it has thick stems,or almost a small tree with correct pruning.

Some kind of hickory. Where I live I would call it mockernut, Carya tomentosa.

Avoid the following trees because they have shallow roots that push up and crack paving: Norway, Sugar, Silver or Red Maple; Pin, Live or Willow Oak; American Elm; Ash; Beech; Sweetgum; Tulip Tree; Hackberry; Poplar; Cottonwood; Sycamore; Plane Tree; Willow; and River Birch. Tillia Cordata "Littleleaf" (Littleleaf Linden) is hardy to zone 3 and provides dense shade. This cultivar supposedly grows 30 to 50 ft. with a spread of up to 30 ft. Fragrant, creamy yellow flowers in drooping cymes appear in June. Honeydew and bird guano are a constant threat with parking under trees. That does not mean these problems will be overwhelming. Your first problem will be waiting for the tree to grow large enough to cast shade. Make note of where the sun rises and sets. It's much better to have shade in the afternoon when the temperature is highest.