When should I fertilize rhubarb - in the spring or fall, or both?
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Glitter girl
+7
Live in central Wisconsin, zone 4.
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We fertilize ours in the spring, then again ten days later. That is all.
The year after planting, it's a good idea to fertilize your rhubarb plants in early spring, before the plant begins to sprout significantly. Use an all purpose fertilizer - a 10-10-10 formula works well. Compost or well rotted manure also works well as a fertilizer.
https://www.backyard-vegetable-gardening.com/watering-rhubarb.html
https://www.backyard-vegetable-gardening.com/watering-rhubarb.html
I fertilize mine year round, using grass clippings, coffee and tea bags and egg shells mashed together. This is a non burn fetilizer that is free. Just work into the soil and water freely.
Thank you!