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H. Petiolaris leaves beginning to fade.

I'm new to the forum & located in the middle of Ireland.
I have a Hydrangea petiolaris in a 3ft tall round pot at my front door which is north facing. Getting full sun until 11am.
It's in its 3rd year & has almost doubled in size since getting it. It has good grip on the house wall. Soil is bark mulched & moist. 
The leaves are starting to look pale with veins staying green. It seems to be both young and older leaves. 
I'm unsure if the cause is a nitrogen deficiency or chlorosis or something else like watering or lack of feed (haven't feed since planting). My question is can ye tell from the pics & what do I need to do.
Thx in advance.


  • FairygirlFairygirl Posts: 53,955
    It won't be able to stay in that pot.
    It'll be suffering badly from lack of nutrition and water. They aren't pot specimens. The amount of soil in that simply isn't adequate for a climber to be able to thrive. 

    If you can't get it in the ground, you'll need to build something substantial for it. 
    The pot should also be raised off the ground to help with drainage. 
    It's a place where beautiful isn't enough of a word....

    I live in west central Scotland - not where that photo is...
  • Thanks for reply.  B) I was going to build a planter in that space. It'll end up 4ftx2ftx2ft. Would that be big enough. 
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