3 local flower shops in Clark County
Boulder City has three florists, the 4th largest selection in Clark County, where Las Vegas accounts for 129 on its own. That is a small enough choice that same-day work is worth phoning about rather than assuming, particularly on the run-up to a holiday when a small shop books out quickly. All of them list a website as well as a phone number.
If nothing here suits, the nearest larger choice is Henderson, about 12 miles away, with 15 florists. Bear in mind that a shop delivering out of its own town will usually charge more for it and may need more notice.
Heat is the whole problem in a desert summer. Cut flowers fail faster here than in any other part of the country, so same-day delivery windows are tighter and it matters that nobody leaves an arrangement in a car. Sturdier material such as orchids, anthuriums and succulents is the sensible choice, and a good local florist will steer you there without being asked.
Boulder City is in Clark County. Browse every florist in the county, including nearby towns.