Stop fighting some of y'all and let's get down to business and play nice!.
OK, I'm originally a city kid and still mostly a city old guy so I don't know all that much about gardens and flowers except they are pretty, smell nice, and have cool lines and shapes for pictures. Enter my 25-year old LOVELY granddaughter Sarah Anne, who is a landscape designer and horticultural expert. She writes articles and professional papers on the subject, teaches, manages a massive garden at a veteran's long-term care facility and is a registered horticultural therapist. Sorry, I gotta brag about that kid! Point is, she has commandeered Grandpa to do all her photography and teach her how to shoot!
So, for the last few years, I have been dragged to the Central Canada Experminatal farm which has a massive ornamental garden and arboretum as well as a vast agricultural section. So, I have been converted from a guy who thought horticulture was about HOARDING all kinds of old and useless photographic junk to "Mr. Flower Power!
Beyond beautiful images
Lenses? Easy choices. A good macro- I like 100mm on a full-frame body so I can get in my tight shots without placing my big feet in the flower beds. Then I like a normal and wide-angle focal length to shoot landscapes, groups of flowers and plants and being able to illustrate the artistic aspect of landscaping and floral design. Withte wide-angle and normal focal lengths I can shoot the relationship of the flowers and plants to buildings fences, trellises, and barns.
My kit is a camera with 3 lenses, a 100mm macro, 50mm normal, and a 35mm wide-angle, a Gitzo carbon fibre tripod with a ball head, and a few of those collapsible spring-loaded small reflectors.
Sometimes I will shoot a more clinical shot to identify certain flowers and plants. While I am at it I will shoot some more abstract, artful, or strictly interpretive images so I can mess around in post-processing and have a bit of fun.
If you are shooting a special exhibit- somethg that you can't go back to if you want to re-shoot somethg, it is best to be slightly over-equipped to make sure you have what you need for both planned and unexpected opportunities.
Sometimes I just pack a regular camera bag. On longer treks, I have a small dolly kinda cart to haul around all my stuff. I am used to schlepping heavy gear to industrial and construction sites so a few extra pounds in the gardens ain't too bad. it's enjoyable but the pain set in later at night! Bengay and Tylenol are a good fix!
Where have all the flowers gone? Most of them come back every year!
PS- I looked this up: https://www.nybg.org/event/kusama/
You are gonna need those lenses!
Stop fighting some of y'all and let's get down to ... (