Seeds Prunus glandulosa Rosea Plena Dwarf flowering almond Works well for the shrub border,but not really a specimen plant. This deciduous shrub grows 3 to 4 feet tall and 3 to 4 feet wide. Drought tolerant and can be severely pruned to promote flowering. Sun to partial shade range of soil conditions except wet. Zones 3b to 8. Soak seeds 24 hours. Cold Stratify for 90 days. Sow 1 inch deep, tamp soil and mulch the bed.