Prob­lem solver

Gardening Australia - - KITCHEN GARDEN -

The most com­mon issue with blue­ber­ries is a lack of vigour de­spite fer­til­is­ing and reg­u­lar wa­ter­ing. More of­ten than not, this is due to a pH im­bal­ance. Don’t fall for the idea that pine nee­dles and cof­fee grounds can suf­fi­ciently lower pH. They help, but to get this down you re­ally need to ap­ply sul­fur an­nu­ally.

Birds love to snack on blue­ber­ries too, so you need to net your bushes when the fruit starts to colour up.

Blue­berry rust ( Thekop­sora min­ima) is a fun­gal dis­ease that is present in all states where blue­ber­ries can be grown. It ap­pears as pus­tules on the un­der­side of fo­liage, which pro­duce red le­sions on the leaf sur­face. Spray with cop­per hy­drox­ide in an­tic­i­pa­tion of warm, hu­mid weather in spring.

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