Hi, I have this passion flower vine that was growing very healthy, but lately it's starting to lose its lower leaves after they yellow. When I touch them they just fall off! It also has some small white spots in the healthier leaves and I've noticed some spiderwebs in the base of the plant from time to time... It's also a very thirsty plant, It needs approximately 1.5 litre everyday!

I'm from Greece and its very hot and humid in my city. I know it seems like a nitrogen deficiency but I wanted a second opinion before I fertilize it with my 30-10-10 fertiliser, because there are some young vines growing in the same pot and they propably get burned. (as shown in pictures - they are from seed not from the main plant).

This is a very lucky plant and I was amazed to see it survive serious underwatering, extreme heat and cold its first year in a very small pot. When I started treating it better it payed off, but now something is obviously wrong and I don't want to mess it up...

Thanx in advance!

pictures:

http://www.flickr.com/photos/kakofonix/sets/72157624272061742/show/with/4699640512/

Here is a link that might be useful: the pictures