Frequent watering will speed up the re-establishment process. For acrocarps, begin with a greater frequency of watering then decreasing over time:
Months 1 and 2–water daily for up to two months to promote growth.
Month 3–water every three days for one month.
Month 4–water once a week for one month.
Month 5–water twice a month then until the area is fully covered in moss.
After that, water only when rain has been absent for three weeks or more.