Asked by: Sadako Depoldhome and garden landscaping
When should I fertilize my blueberries?
Last Updated: 17th March, 2020
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Herein, what is the best fertilizer for blueberries?
Blackberries respond well to any nitrogen-rich fertilizer, but blueberries require fertilizers with an ammonium form of nitrogen such as urea, sulfur-coated urea, ammonium sulfate, or cottonseed meal. Any fertilizer sold for azaleas or rhododendrons also works well for blueberries.
Also, do blueberry plants like coffee grounds? Coffee grounds are highly acidic, they note, so they should be reserved for acid-loving plants like azaleas and blueberries. And if your soil is already high in nitrogen, the extra boost from coffee grounds could stunt the growth of fruits and flowers.
Also asked, do blueberries need fertilizer?
Blueberries need fertilizers that lower the pH level of the soil. Blueberries respond best to an ammonium form of nitrogen. That means the fertilizer should have cottonseed meal, urea, or ammonium sulfate in it. These types of nitrogen components allow the berries to grow strong and healthy.
What nutrients do blueberries need to grow?
Blueberries belong to the same plant family as azaleas and rhododendrons. Like these relatives, blueberries prefer soil with high organic matter and pH levels in acidic ranges. Necessary blueberry nutrients, such as iron, can get lost in high-pH soil. These nutrients stay most available with soil pH near 4.5 to 5.5.