After 12 weeks, water weekly until roots are established. How long does it take for tree and shrub roots to establish? Newly planted shrubs are considered established when their root spread equals the ...

Firm the soil gently to eliminate air pockets. Water Thoroughly: Water the newly planted bush thoroughly to settle the soil around the roots. Continue to water weekly, especially during dry periods.

Peony bushes require fertile, well-draining soil. Newly planted peonies need an inch of water every five to seven days to let the soil settle around the roots. For mature peony plants, it's best to ...