Is this the same as Seasol?I've never had a lilac but have killed lots of plants so I know what not to do.
The usual answer to encourage growth is:
a bit of a prune
mulch around the base but keep it clear of the trunk
feed with seasol
water in well
talk to your plant.![]()
https://www.amazon.com/Blue-Planet-Nutrients-Supplement-Hydroponic/dp/B00UBEL5E0