Viewing post #1128981 by sooby

You are viewing a single post made by sooby in the thread called Early rust in the garden already.
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Apr 26, 2016 11:14 AM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
Butterflies Birds Enjoys or suffers cold winters Garden Sages Plant Identifier
javaMom said:
For my high PH what kind of fertilizer I should get to help this...I also notice some pale color leaves on my NOids...



What you appear to have is a micronutrient deficiency which may include more than one nutrient. What I would look at first would be lowering the soil pH but that would need a soil test to determine how much sulfur or other material to use. Another option would be to use a fertilizer with chelated micronutrients, or a micronutrient foliar fertilizer.

Micronutrients become less available to plants as the pH goes higher. Your daylilies have interveinal chlorosis which means either iron and/or manganese are not getting into the plant in sufficient amounts. There seems to be some wider banding which may mean other micronutrients are deficient as well - hard to say without a soil/leaf test. Assuming those elements are in the soil, which is the common scenario, but being blocked by the pH, then lowering the pH would make all micronutrients more available again (with one exception that probably isn't a problem in any case).

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