They should be able to accommodate you even if it says the garage is full. The Convention Center does not have wheelchairs available, so if you need one you should bring your own. There is an elevator available for those who need it just beyond and to the right of the escalators. The Washington State Dept. of Agriculture and United States Department of Agriculture will be on hand to inspect and approve plants for transport to Canada. There is a free package check located in the main fourth floor lobby underneath the grand staircase near the information booth.
Seminars are strictly on a first come first served basis.
Many do fill quickly, so be prepared to arrive at least 30 minutes early for popular speakers. Note that the exhibit booths are full for the 2001 show. You can be placed on the mailing list for 2002 information.