- The bloom heal can crit. Critical effects from the bloom will not proc Living Seed or Nature's Grace.
http://www.wowwiki.com/Lifebloom
- In PvP: players that can dispel Magic-type buffs will have to decide whether to leave the Lifebloom buff on (they continue to receive healing, then they'll get a chunk of health back), or to dispel it (in which case the target will get the final healing effect right away and can recast Lifebloom). One of the best mind games a Druid can play in PvP.