Parking is $15 per car and can be bought in person at the ticket counter or online. Parking may be pre-purchased online for $9, a $6 discount. Members can park for free. There are also limited number of parking spaces at the arboretum for donors who want to make a donation but not visit the gardens. The arboretum offers several different types of parking: garden level, meadow, forest, and hilltop. Garden level parking is available in any marked space on any site within the arboretum. These spaces are usually located near the entrance of a drive or path and can be accessed by any vehicle. Meadow parking is available in any marked space on the meadow site only. Forest parking is available in any marked space on the forest site only. Hilltop parking is available in any marked space on the hilltop site only.