How to Fertilize Syringa pubescens subsp. microphylla?
Shrub fertilizer twice per year, early spring and post-bloom period

Syringa pubescens subsp. microphylla · Syringa pubescens subsp. microphylla
Thrives in well-drained, fertile, humus-rich alkaline to neutral soils. Will tolerate some light shade but flowering is best in full sun. Mulch well in spring
Shrub fertilizer twice per year, early spring and post-bloom period