<p>The morphology and particle size of silver powders are the main factors influencing the conductivity of silver paste. Flower-like silver powders with specific surface structure can enhance the contact area between particles, making them suitable for high conductivity and low-temperature (≤ 150&#xa0;°C) silver paste application. In the current study, nano- and micron-sized flower-like silver powders were synthesized through chemical reduction method using ascorbic acid and silver nitrate as the reductant and silver source solution, respectively. To regulate the directional growth and agglomeration degree of the silver powders, citric acid was employed as the surfactant under different reaction conditions. The XRD results confirmed that citric acid was mainly adsorbed on the (111) facet of the silver particles, which significantly enhanced the relative intensity of the (111) diffraction peak. The rapid addition mode is more conducive to the formation of spherical flower-like silver powders, while the slow dropwise addition mode is more favorable for the growth of dendritic silver powders. The silver paste with the lowest resistivity of 2.00 × 10⁻⁵ Ω⋅cm was obtained from the silver powders in the rapid addition mode at 25&#xa0;°C. The results indicate that the prepared flower-like silver powders not only have a distinctive appearance but also have excellent application prospects in the field of low-temperature silver paste.</p>