Taking care of ficus is sometimes a difficult task: The plants require light, moisture and temperature at specific levels, or they drop their leaves. The ficus on the left is a Ficus benjamina, that requires a consistently wet root ball, and has enjoyed being outside this summer. The ficus on the right is a Ficus carica, and requires pruning, or grows rather wide foliage, but does produce fruit.
The left plant is a spider plant (Chlorophytum comosum), which does not require much to do well here in the summer months here in Minnesota. The right plant is a Hoya carnosa which has been in the family for generations, however is now suffering from a tad bit of blight, which can be mitigated by controlling moisture. It is an excellent air purifier.
The Dracaena fragrans lindenii or corn plant grows very quickly. Every year I chop it in half and plant a stalk and I got another plant. This is excellent at removing formaldehyde and other aromatic hydrocarbons from the air.
The plant on the left is a money plant (Epipremnum aureum), and grows very well under all conditions including the dark.
The plant on the right is a sword fern (Nephrolepis exaltata), and is also virtually indestructible. It has come back from very poor conditions.