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ASHS Conference Hotel 

Rosen Plaza Hotel




To make a reservation:


On-line reservation: click here


By telephone: 1-800-627-8258. Identify yourself as part of the American Society for Horticultural Science (ASHS) to receive the negotiated rate.

If you are sharing a room, it is your responsibility to ensure that your name appears on the hotel reservation list.  Please do NOT email ASHS with this information - it must be recorded with the hotel.


Please note that the negotiated group rate is only available while supplies last and for the conference dates. Rates may increase if the conference block sells out on a particular night.  Please make your reservation as soon as possible. Room types may not be available at the conference rate on dates prior and post conference.


We are sorry, we cannot make hotel reservations on behalf of Conference participants.


For special requests such as special needs, please contact the hotel directly: 1-800-627-8258.

Cutoff date:  July 17th


$105 Single/Double

Additional Person $20.00

Complimentary basic high speed internet/Wi-Fi access in guestrooms included

Facilities Usage Fee


We know that, for many attendees, finding the lowest possible hotel rate is paramount, and we are aware that often people choose to stay on the outskirts of town and then choose to drive to the conference each day.

However, before you book your hotel room for the ASHS Annual Conference, we want to mention the following ....

The American Society for Horticultural Science continues to make every effort to keep costs at a minimum for those attending the ASHS Annual Conference. One way this is done is to make a commitment to the host hotel(s) that a specified number of hotel rooms will be occupied by our conference attendees. In exchange for the hotel room occupation, the property provides ASHS with complimentary meeting space and other discounts.

The $250 Facilities Usage Fee will apply only to those who register (including exhibitors, speakers, students, etc.) for the conference, but choose not to stay at the host hotel(s).

We encourage all conference attendees to avoid this Facilities Usage Fee and stay at the host hotel(s). Please be aware that if you are sharing a room with another delegate, both names must appear on the room reservation by the hotel reservation cut-off date, otherwise you will be assessed this fee and obligated to pay it in order to pick up your registration credentials.

Airline & Car Rental Discounts


ASHS has negotiated additional discounts for Conference Attendees to assist in reducing the cost of attending the ASHS Annual Conference.  Simply find the flights/car rental that you want to book, then add the appropriate promo code listed below to get an additional discount off of total cost.

The Avis Worldwide Discount or AWD number is G028040. To make reservations, call 1-800-331-1600 or use the following link: Avis link for the ASHS Annual Conference 2019

The AWD will be effective from seven days prior to the event until seven days after the event.


The Budget Customer Discount or BCD number is U001624. To make reservations, call 1-800-842-5628 or use the following link:

Budget link for ASHS Annual Conference 2019

The BCD will be effective from seven days prior to the event until seven days after the event.


Delta Airlines is offering a discount to ASHS conference attendees on your flight to Las Vegas.

Please click here to book your flights.

You may also call Delta Meeting Network® at 1.800.328.1111* Monday–Friday, 7:00 a.m. – 7:30 p.m. (CT) and refer to Meeting Event Code NY2GR.


*Please note there is not a service fee for reservations booked and ticketed via our reservation 800 number.



United Airlines is offering a discount to ASHS conference attendees on your flight to Las Vegas.

US 50 States & Canada Customers: call your professional travel agency, book online via or call United Reservations Meetings Desk at 800-426-1122 and provide the Z Code ZFXE and Agreement Code 884881.

*Please note that there is a direct ticketing fee for booking through the reservation number above.

1018 Duke Street
Alexandria, VA 22314
Phone: 703.836.4606