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Old 03-28-2017, 04:10 AM
 
Location: Zone 6B ~ Northern VA
1,445 posts, read 2,132,415 times
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No well water here so every spring all my roses and flowering perennials get an application of super phosphate fertilizer and they love it!


Quote:
Originally Posted by LIcenter View Post
The only time I use triple, or superphosphate is in the initial planting. A teaspoon or so mixed with a tablespoon of magnesium sulfate (epson salt) into the hole works wonders in getting perennials or bushes off to a good start. I then follow up with a Milorganite, Epson salt mixture maybe three or four times throughout the growing season in all my flower beds. Really no need for anything else, with the exception of acid loving plants of course. For the acid lovers; they get a Hollytone lunch twice a year. With Long Island being one huge aquifer, and me having well water, I tend to stay away from the overuse of synthetic ferts., and the like.
Here's a little something on the uses of Epson salt.

https://bestplants.com/epsom-salt-garden-cheats/
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Old 03-31-2017, 05:13 PM
 
Location: Zone 6B ~ Northern VA
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Good stuff:

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Old 04-22-2018, 08:07 PM
 
Location: Zone 6B ~ Northern VA
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Going with triple superphosphate (0-45-0) granular this year.

Had great results with it last year and also started using Epsom salt on my rose bushes and flowering perennials.
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Old 04-23-2018, 04:03 AM
 
Location: Boydton, VA
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In my research of Hibiscus , I came across this explanation of what this particular plant needs in the way of fertilizer and why, probably does not apply to all bloomers, but good information on what N-P-K does.

feeding Hibiscus

Regards
Gemstone1
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Old 04-23-2018, 05:13 PM
 
3,471 posts, read 1,986,388 times
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Jack's classic blossom booster, 10-30-20.

My OH insisted we find it and it works well.

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Old 04-29-2018, 04:42 AM
 
Location: Zone 6B ~ Northern VA
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Hibiscus seems to fall into an unusual category for flowering plants.

Hibiscus do not like phosphorus...

nearly all other flowering plants do best with super phosphate.


Quote:
Originally Posted by gemstone1 View Post
In my research of Hibiscus , I came across this explanation of what this particular plant needs in the way of fertilizer and why, probably does not apply to all bloomers, but good information on what N-P-K does.

feeding Hibiscus

Regards
Gemstone1
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Old 05-03-2018, 01:23 PM
 
Location: Zone 6B ~ Northern VA
1,445 posts, read 2,132,415 times
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Interesting 1:3:2 ratio.

Can you elaborate on this product and how it compares to others with less potassium?


Quote:
Originally Posted by galaxyhi View Post
Jack's classic blossom booster, 10-30-20.

My OH insisted we find it and it works well.

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Old 05-07-2018, 07:40 PM
 
Location: Zone 6B ~ Northern VA
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Applied another round of Epsom Salt this evening to my flowering plants...this stuff is amazing, especially on the rose bushes.
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Old 05-12-2018, 10:52 AM
 
Location: Zone 6B ~ Northern VA
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Anyone else used Jack's classic blossom booster, 10-30-20?
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Old 05-12-2018, 12:54 PM
 
Location: Out there somewhere...
38,687 posts, read 45,060,825 times
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Quote:
Originally Posted by movin2Reston View Post
Hibiscus seems to fall into an unusual category for flowering plants.

Hibiscus do not like phosphorus...

nearly all other flowering plants do best with super phosphate.
Very interesting quote. My hibiscus of 20 years get 3x yearly feeding of phosphorus and the blooms are super large 8", very colorful and plentiful using a Super Bloom Booster 10-50-10. All flowering plants love phosphorus.
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