Romance in Santa Ana is mostly a downtown story after dark and a doorstep story during the day. Fourth Street — Calle Cuatro, the historic retail spine where generations of Orange County families did their shopping — turns into a bar and restaurant strip at night, with the 4th Street Market food hall at the corner, the Frida Cinema running repertory film a block east, the restored Yost Theater on North Spurgeon Street a few doors north, and The Playground on East Fourth. The Observatory, down on South Harbor Boulevard in 92704, pulls touring bands most nights of the week. The Artists Village and the Santora Building keep the gallery nights going around Broadway. All of that matters for planning an evening, and almost none of it matters for a flower delivery — venues like these have no cooler, no staging space and no interest in holding a bouquet through a show. The reliable romantic order in this city is a late-morning delivery to the house, timed so the arrangement is on the table before anyone gets home, and the evening runs from there.
Which means the address does the work. Santa Ana is one of the most densely populated large cities in the country — roughly 310,000 people in about 27 square miles — and the density is low-rise: courtyard apartment complexes off Harbor, Bristol and Edinger in 92703 and 92704, duplexes and second units on the older grid, long blocks where one street number serves four households behind one locked gate. Three lines in the delivery notes solve almost all of it: unit or letter, gate or callbox code, mobile number. If the mobile number belongs to the person you are surprising, say so in the notes and name a neighbor, a leasing office or a package room as the preferred handoff instead. The easier addresses are on the historic north-west side, where 92706 holds Floral Park — one of Southern California's largest historic residential districts — plus Washington Square and the streets by Santa Ana College, and where deep Craftsman porches make an unattended drop genuinely safe. 92701 repeats that pattern at French Park and Wilshire Square. 92705 climbs east into gated hillside tracts where a code is not optional, and 92707 in the south mixes apartment complexes with the streets around Centennial Park.