The entrance fee is $12 if reserved in advance and $15 at the door.
The garden is open in the evenings on Fridays and Saturdays and has some daytime hours on Sunday.
There is free parking on the surrounding streets, but check for restrictions.
A few nearby places worth checking next.
I have been using it now for 3 months and it saves me so much research. Reduces the need to call and double check every time.
How did I not know these places existed?! Atly's scoring is a lifesaver, now I can finally find THE spot without wasting time Googling my life away.