Q.Blackberries
What kind of fertilizer should be used and how often?

Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 18, 2011
Use an organic fertilizer, such as compost, which can be applied during planting. You can also mix some with water and apply during watering about once a month, although this isn't a requirement.
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