Raspberry Nutrition Needs

So if you want your raspberries to feed you then we recommend you first look after your canes nutrition needs.

General Condition

  • Raspberries are hungry plants!
  • Yellowing leaves can be a sign of nutrient deficiency.
  • Heavy soil, waterlogging, drought alkaline or chalky soil can also cause yellowing.
  • Older plants are often worse – replace after 10 years.

Specific Deficiency

  • Nitrogen deficiency causes yellow leaves and debilitates plants.
  • Phosphorous¬† deficiency causes slow growth and dull leaves.
  • Potassium deficiency causes browning leaf edges and poor fruiting.
  • Magnesium deficiency is common on light sandy soil or where high potassium feed has been over used. Foliar feed with Epsom salts 2 or 3 times .

Treatments

  • Best treated with foliar feed sprayed on to leaves.
  • If yellowing is persistent it may be iron deficiency so apply sequestrene.
  • Maintain good hygiene and help water retention with an autumn mulch.
  • Don’t over feed or underfeed or plants will blow a raspberry at you!

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