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Hibiscus fertilizer for post-prune re-foliation

Posted by wood.vi Los Angeles (My Page) on
Thu, Feb 20, 14 at 16:14

I'm just learning about fertilizers. Previously, I just went to the nursery and used whatever they sold me.

My hibiscus was seriously overgrown, so I gave it a serious pruning. I have my doubts: I may have over-pruned. I'd like to fertilize it to encourage foliage this spring. So my first question is: how long after a serious prune, should one wait before fertilizing?

When I first moved in, it had a whitefly & city mold infestation. I went down to my local nursery and asked for help, and they sold me a 3-in-1 Rose Care treatment which helped a TON. Posts here suggest a 2-1-2 fertilizer for foliage, and that phosphorous (P) in general builds up and becomes harmful to hibiscus. I went through my fertilizer inventory, and nothing I have is 2-1-2, most of my fertilizers are high in phosphorous (P), so I figure I'll need to go back down to that local nursery and ask them for a 2-1-2 to feed my hibiscus. My fertilizer inventory turned up that the 3-in-1 Rose Care treatment has:
6% Nitrogen (N)
9% Available Phosphate (P2O5)
6% Soluble Potash (K2O)
2% Sulfur (S)
So, um, my second question is: have I been feeding my hibiscus a toxic 6-9-6 fertilizer these whole five years?


Follow-Up Postings:

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RE: Hibiscus fertilizer for post-prune re-foliation

Well this is my very first post here on garden web, hopefully I'm not stepping on any toes. I have about 2 dozen hibiscus growing in my garden and I have always relied on hidden valley hibiscus for their special blend fertilizer. I also supplement monthly with a foliar spray of that and their hibiscus booster. My blooms double and I get so much new growth I have to prune my hibiscus back mid season. Their fertilizer is heavy on the potassium because that's what hibiscus 'eat' the most of. It seems to work though because I get compliments all the time on my blooms. I attached a link to their website they also sell plants and stuff. Hope this helps.

Here is a link that might be useful: Hibiscus fertilizer


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RE: Hibiscus fertilizer for post-prune re-foliation

And just to add, no you haven't been feeding your hibiscus a toxic fertilizer, just not the best combo for hibiscus IMHO.


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