Rhododendron Question( pics)

TheMasterGardener1(5B)March 1, 2012

I just got this Rhododendron in and I noticed the top of the plant by the bud it is yellow. The branches at the bottom have green leaves by the buds. Is it a nitrogen deficiency? Or should I re-pot it?

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I would leave it alone and repot after blooming is done.

    Bookmark   March 1, 2012 at 8:38PM
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Thanks I really was thinking just to leave it in that container. It is a light feeder I suppose so I will not really fertilize it and when I do at a low strength.

    Bookmark   March 1, 2012 at 8:53PM
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I am really tempted to replant it in a little bigger pot in some 5-1-1. I would need to get all the soil off the roots, should I run them under water to wash all the soil off. Should I really wait till it is done flowering?

    Bookmark   March 2, 2012 at 5:42PM
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morz8(Washington Coast Z8b)

Rhododendrons are not heavy feeders - yellowing leaves are more often a sign of needing iron or magnesium, not nitrogen. It can also be an indication of overwatering, or watering with alkaline water.

The most damaging time to move or replant is during the period of active growth....that period that immediately follows blooming. Rather than wash/remove all potting medium, you can root prune - cut 1/2" to 1" from sides and bottom of the rootball, replant.

    Bookmark   March 3, 2012 at 1:08PM
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