Q.Some Lilacs Bloom, Some Won’t
I have six lilac bushes in a row. Every other bush is light lavender and the opposite bushes are a dark purple. The light lavender bushes are in full bloom, but there’s not a bud to be found on the dark purple bushes. Can you explain?
Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 14, 2011
Most likely they have slightly different nutrient needs. I would recommend giving the area a little more phosphorus. It won't hurt the light colored ones and will help encourage the darker ones to bloom.
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