there's a lot of it. roots, hibernate, cyclone. cyclone not so often, but roots and hibernate everytime i get the chance. helps me to get through with healing with much more ease believe me
also dots, 3x FF and free wrath casts!
and the way i heal is basically; 3x lifebloom and reju. also regrowth for fast directheal+hot, then swiftmend for fast direct heals too and the effloresence+wildgrowth for even better aoe heal
nourish and healingtouch.. i hardly ever cast those. sometimes NS+HT but NS is useful for maybe roots/hibernate at a times, not really strong talent anyway.
lifebloom is so cheap spell you don't need nourish to keep it rolling. usually i let it bloom too, same time with swiftmend it heals a bunch. also i dont seem to go oom by "spamming" lifebloom. and this all is solo healing in hc dungeons, in raids it'll be even easier with more healers.
healed baradin hold 10man with a pala healer, no problems at all if it even counts lol
if i were a paladin i would use repentance in every pull and just cast flash of lights or holy lights dunno how it goes for paladins.. anyway
lifebloomx3 + nourish is your main heal.
Nourish replenishes lifebloom and gives you replenishment. You only ever need your other heals if you're putting a quick rejuvenation on DPS or in big fights where tank or everyone is taking more damage.
Also, repentance is a retribution talent.