Fertilizing Small Fruits - Knowledgebase Question

Sandy, OR
Question by wstromme5
March 17, 1999
What kind of fertilizer should be used for everbearing raspberries and blueberries? When and how often should it be applied?


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Answer from NGA
March 17, 1999

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Blueberries and caneberries should be fertilized in March with a complete, balanced fertilizer. Use a standard 10-10-10 ratio of N-P-K, applying 4 ounces to each raspberry plant. Blueberries should be fertilized just as the flower buds begin to open (usually March). Apply one ounce for each year the blueberry plant has been in the garden (to a maximum of 8 ounces). You can apply an additional 1/4 to 1/2 ounce about 6 weeks later. Don't overfertilize or you'll end up with lots of foliage at the expense of fruits.

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