The present investigations were carried out to screen the PGPR isolates from five separate seasonal flower beds (Catharanthus roseus, Portulaca grandiflora, Celosia argentea, Gomphrena globosa and Impatiens balsamina) of Curzon Hall, University Dhaka. bacterial load collected soil samples ranged in between 7.60 ± 6.01 × 106 9.49 5.44× 108 cfu/g, 5.34 4.06×106 13.4 4.8×106 cfu/g 1.01 0.59×106 1....