Can someone help me with prices on these plants?? I am looking to get them off of the internet, but do not want to pay too much Thanks!! (for a SINGLE plant) 1.banana plant 2. aponogenton crispus..And if anyone has had this plant, can you tell me you experience and what temps does it like? 3. java fern bunch 4. Onion dwarf plants..It is 5 of them for $4.50...is that a good price? Please if you cannot answer about all of these plants, feel free to answer about the ones you do!! Thanks!