Over Watering Or Under Watering?

Busternutt

Well-Known Member
I've got 5 plants growing outdoors in large pots, all growing in potting mix. I was watering them (every other day) at first with a nutrient solution but started getting burnt tips so I backed off to just water for 2 of every 3 waterings and they all seem to be happy and very healthy except one. The sick one's in week 7 and in the last week has turned from a healthy plant into the sickly looking thing in the pics. Not all the leaves, mainy just the new growth bud sites. I watered it one afternoon last week and then we got lots of rain over the next few days but the other 4 plants were subjected to the same and haven't changed. The soil in this one is cool and dry at the moment. It hasn't been in direct sunlight all day but yesterday I moved it so it gets a lot more direct sun than it has been. From reading through various posts it looks like I'm over watering it or under watering it or perhaps a magnesium deficiency. Any clues? Thanks in advance.

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