May - time to feed for a beautiful flowering Astilbe
Astilbe - not the flower that loves to eat. It feels good and poor diet. But this does not mean that it should not be fed. May - it's time to add fertilizer to ensure a good start to the growth of bush and flowering aerial "brooms". It will not take you a lot of energy!
Especially that usually Astilbe grows long in one place. It just so happened) And often shrub grows to an impressive size. And the transplant will be a whole garden event. And the soil is exhausted,Flower gets less and less power. Therefore, it is necessary to make fertilizer at least 1 time per year.
I will write to the principle on which I advise to choose a fertilizer for Astilbe. Specific brands will not write, but then again, consider for advertising. So you can find yourself a suitable dressing to your taste and budget.
First. I advise you to take granulated fertilizer. It does not immediately dissolve in the ground. The effect will last longer than from the irrigation solution.
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Second. Fertilizer must be complex. Of course, it is possible to feed phosphorus and potassium for flowering. But, in my opinion, greens Astilbe - not less decorative. Therefore, as part of the nitrogen should be, albeit in smaller numbers.
for example, Suitable granulated complex fertilizers for flowering plants, including special - "For Rose / pelargonium / lilies, etc..." You can take a NPK with a slight predominance of phosphorus (NPK = 10:26:26) or ammofosfku NPK = 13:15:12. Love Astilbe and the article was interesting? Please put "Thumbs up!"