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| Hello, everyone! I just bought a bottle of liquid chelated iron to green up the foliage on all the roses. BUT, the instructions on the bottle are far from clear.... so much for a one foot tall shrub, a different amount for 2-3', a different amount for potted plants, etc. Is there a general rule of thumb for using this stuff on roses? For example: How much fertilizer per gallon of water? One gallon of the mixed fertilizer per bush? Anything different from roses in large (20") containers? I don't want to mess it up and kill anything. Thanks for any guidance you can offer! I posted this on the other forum, but thought I'd post it here, too..... :-) |
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| If the instructions aren't clear my suggestion would be to contact the company. They probably have a web site. Maybe they have additional information there. |
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- Posted by nikthegreek 9b/10a E of Athens (My Page) on Tue, Apr 22, 14 at 0:37
| Once you get the dilution rate in more or less the proper range, then you just have to apply as much of the solution as required to fully drench the root area. That would be similar to the amount of water required for a deep watering of the plant. Apart from wasting stuff you won't hurt the plants if you pour more of the solution than required. It's the dilution rate you have to work out based on the info on the label. Be aware that there are different kinds of chelated iron. EDTA chelate works properly up to a soil pH of 6.5. This is usually useless for roses since one tends to add iron chelates to cure iron deficiency which rarely happens at this pH range unless the soil is naturally very poor in iron which is uncommon. DTPA is effective up to a soil pH of 7.5 and EDDHA, the most expensive stuff, works up to pH of approx. 8.5. The particular type of chelate should be written on the product label. |
This post was edited by nikthegreek on Tue, Apr 22, 14 at 1:25
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| Thanks for the responses. Very helpful info there, nikthegreek. The label says EDTA. I may go ahead and try it as a drench anyway. I don't know the soil ph, but the roses are pretty much planted in rose soil, with not too much of our native alkaline soil mixed in. I'm not really having chlorosis problems. Just wanted to give the foliage a good greening up in preparation for our local rose society's spring show next weekend..... Then, there's a Reine des Violettes growing in a large container that could also use a little greening up.... In any case, thanks again for the responses. Very helpful! |
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