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Donald Bottger has been involved in landscaping for over 30 years. In addition to having owned his own business, he is a certified grounds manager with the PGMS, a certified arborist, and a qualified pesticide applicator for the state of California with an additional segment to his licenses for all common areas inside the building as well, including insects and rodents. He is an OSHA outreach trainer so he?EUR??,,????'???s involved in all safety issues and is the safety chairman. As a past president of the PGMS, he?EUR??,,????'???s on the PGMS Board Of Directors and is their Southwest Regional Director.
With over 20 acres to maintain, the San Diego Convention Center is the 20th largest convention center in the United States. Donald Bottger and his team take care of 184 thousand square feet of terraces, 77 thousand square feet of community park?EUR??,,????'??+which has about an acre of turf?EUR??,,????'??+and 400 thousand square feet of paving. ?EUR??,,????'??I have a staff of eight people, and will supplement them with cleaning or building employees if there are large or special projects to deal with,?EUR??,,????'?? says Bottger.
They have to be very cognizant of the bay because of stormwater. It is imperative that they minimize or completely eliminate any runoff. Their fertilizer and chemical application practices are based on having no runoff into the bay at all. ?EUR??,,????'??It?EUR??,,????'???s environmentally sensitive and also the right thing to do.?EUR??,,????'??
Says Bottger. ?EUR??,,????'??We tailor our irrigation to prevent that run-off.?EUR??,,????'??
Typically, with an irrigation clock they water in cycles so they don?EUR??,,????'???t saturate the ground too quickly. All dedicated planter beds have drip irrigation systems on the building. Says Bottger, ?EUR??,,????'??The convention center has been a huge engine for economic growth. The volume of conventioneers has been brought a great deal of money into the city, and we all want to make sure they have the best possible convention center.?EUR??,,????'??
Since Donald Bottger started in 1989, the look of the center has completely changed. The initial landscaping plan called for formal shrubbery on the back of the building, Privet and Carissa, which they formally shear. One of the challenges is the whole building and the back terraces have many overhangs and exposed ledges which the grounds crew has to maintain. There is a lot of lift work with boom and scissor lifts to maintain the foliage. Within the grounds care industry there?EUR??,,????'???s a tremendous level of injury. They?EUR??,,????'???ve instituted a fall protection program to make sure the staff is trained and safe when they?EUR??,,????'???re on those ledges.
Bottger also has a Hazwopper license?EUR??,,????'??+Hazardous Waste Operations and Emergency Response?EUR??,,????'??+which is a certification with the EPA. He is required to take classes once a year to maintain this certification because he?EUR??,,????'???s responsible for hazardous waste response and storage issues at the center.
?EUR??,,????'??One of the things about the landscaping is that?EUR??,,????'???s the first thing people see, and that first impression is an indicator of the experience you?EUR??,,????'???re going to have,?EUR??,,????'?? says Bottger. It?EUR??,,????'???s the first thing the visitors see and his crew takes great pride in that. ?EUR??,,????'??Pride of place is important and the staff really takes ownership. When you have that instilled in the staff, they believe it and live it and there are no limits to the quality.?EUR??,,????'??
Their biggest challenge each year is working around the shows. The crew has to be cognizant of sound, and running sound equipment. They look daily at the event activities and schedule their work around them.
”Pride of place is important and the staff really takes ownership. When you have that instilled in the staff, they believe it and live it and there are no limits to the quality.”
The crew starts at 6AM and they?EUR??,,????'???re responsible for the clean up of the entire building every day, as well as the trash outside. After that they do the softscaping. They check the daily schedule and if there?EUR??,,????'???s an area with no activity they go to that area first. ?EUR??,,????'??We?EUR??,,????'???ve even gone so far as to note that the activity will take place at 10AM and hurry up and finish up before then.?EUR??,,????'?? It?EUR??,,????'???s a challenge, but it?EUR??,,????'???s a good challenge. Bottger is an incurable optimist, but as he puts it, ?EUR??,,????'??You have to be, and furthermore, it?EUR??,,????'???s the best way to be.?EUR??,,????'??
Bottger loves his job. ?EUR??,,????'??You?EUR??,,????'???re outside, working with nature and the results are so wonderful to look at. Everyone enjoys your results.?EUR??,,????'??
As Assistant Facility Manager, one of two, he ?EUR??,,????'??We have an IPM program where we use all the avenues available to us before we apply chemicals,?EUR??,,????'?? says Bottger. ?EUR??,,????'??Chemicals are a last resort.?EUR??,,????'??
The California Department of Pest Regulation ensures that all continuing education is appropriate. ?EUR??,,????'??It?EUR??,,????'???s a lot, but it?EUR??,,????'???s worthwhile,?EUR??,,????'?? says Bottger. ?EUR??,,????'??There isn?EUR??,,????'???t one seminar I?EUR??,,????'???ve gone to where I haven?EUR??,,????'???t learned something.?EUR??,,????'?? Bottger is a member of PAPA and they also give Continuing Education Seminars.
Since everything is centralized, they just have a couple of pickup trucks to get their supplies. They have, six large Tennant sweepers, and three large Tennant sweeper/scrubbers. They have three boom lifts with 45 to 60 foot booms, four scissor lifts with 22 to 50 foot lifts, four utliity vehicle carts and a large fairway lawnmower. Every staff member has his own Echo backpack blower. All equipment maintenance is done by the grounds staff. The larger equipment is maintained by the engineering department.
?EUR??,,????'??The people are the best part of this,?EUR??,,????'?? says Bottger. He?EUR??,,????'???s developed relationships over the last 18 years and he?EUR??,,????'???ll value them the rest of his life.
They are considered one of the best convention centers in the world, and have won numerous awards. It?EUR??,,????'???s all because of his tremendous staff. ?EUR??,,????'??But it?EUR??,,????'???s because of the people responsible. ?EUR??,,????'??My staff makes the impossible possible.?EUR??,,????'??
There?EUR??,,????'???s a very low turnover rate because people really like to work. And you couldn?EUR??,,????'???t ask for a prettier pace to work either?EUR??,,????'??+right on the bay?EUR??,,????'??+gorgeous.
The only other thing that needs to be added is the need for Landscape Superintendents to get involved in their industry. PGMS is the best association he?EUR??,,????'???s ever dealt with. The networking and the people have helped to grow him in his profession more than anything he?EUR??,,????'???s ever done. ?EUR??,,????'??As landscape professionals we have to have an association,?EUR??,,????'?? says Bottger. ?EUR??,,????'??Anyone who has ever joined has been given much more than they put in. It?EUR??,,????'???s just tremendous.
Once people understand how deeply involved with education that association is, and how hard they work toward developing the landscape manager, the association will get even better.?EUR??,,????'??
And it appears that Donald Bottger is also getting even better. With ideals like his and a staff who has incorporated them, there is no limit to the miracles they will be able to perform?EUR??,,????'??+and on a daily basis. The conventioneers appreciate him, San Diego appreciates him, and best of all, all those plantings around the Convention Center appreciate him more than any of us will ever know.
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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