Ask a room full of people what "420" means and they'll all tell you cannabis. Ask *why*, and the answers scatter — a police code, a Bob Dylan lyric, the number of compounds in the plant. None of those are right. The real story is smaller and more human, and it's worth knowing before April 20 rolls around. This guide covers where the number actually came from, how Burlington marks the day, and — the practical part — how to plan a calm, quick visit to Float On on the busiest day of the cannabis year.

What is 4/20, and why is it cannabis culture's biggest day?

4/20 — April 20 — is the unofficial holiday of cannabis culture, the one date on the calendar the whole community recognizes. The "420" at its center began as slang for cannabis and for getting together to enjoy it, and over decades it grew from a private in-joke into a worldwide shorthand. The date itself came *from* the number, not the other way around: because "420" already meant cannabis, April 20 (4/20) became the day to celebrate it.

That's why it looms so large. It's part anniversary, part community moment — a day shops, growers, and shoppers everywhere acknowledge at once. In a legal, regulated market like Vermont's, it plays out as a normal (if unusually busy) day at licensed shops, rather than anything the culture treats as a free pass on the rules.

Where did the number 420 actually come from?

The origin is unusually well-documented for a piece of slang. It traces to five students at San Rafael High School in Marin County, California, in the fall of 1971, who called themselves the Waldos — the name came from a wall they liked to hang out on, nothing more. The group got wind of a rumor: a cannabis crop, supposedly abandoned by a Coast Guardsman who could no longer tend it, growing somewhere out near Point Reyes. They even had a hand-drawn map.

To go looking for it, they needed a meeting time. The plan was to gather at the campus statue of Louis Pasteur at 4:20 p.m., after sports practice let out. Their code for the whole mission was "4:20 Louis," later trimmed to just "420." They never found the patch — but the time stuck as their private word for getting together to smoke.

How did a high-school inside joke go global? Two carriers: the Grateful Dead and High Times magazine. The Waldos had real ties to the Dead's Marin County orbit, and the term spread with Deadheads from show to show through the 1970s and '80s. The leap to the mainstream came around 1990, when a flyer at a Grateful Dead concert in the Bay Area invited people to meet at 4:20 on 4/20. A copy reached High Times, then the most influential cannabis magazine in the country, which printed and repeated it — turning 420 into international shorthand and 4/20 into an unofficial holiday. The Waldos have since produced early-1970s letters and a flag bearing the number as proof; "420" is even cited in the Oxford English Dictionary now.

That's the short version. If you want the full myth-by-myth breakdown, we've written it up separately in the real 420 origin story.

How does Burlington mark 4/20?

Burlington marks the day the way a small, craft-minded city does — quietly and locally, centered on its licensed shops rather than any single big event. Vermont's adult-use market is young and built around independent growers, so April 20 here reads less like a spectacle and more like a busy Saturday at the neighborhood shop: steady foot traffic on the Church Street Marketplace, a livelier-than-usual counter, and a lot of first-timers picking the date to finally stop in.

A few things to keep in mind about how the day actually feels downtown:

• It's the year's busiest cannabis day. Expect more people than a typical afternoon, both in the shop and out on Church Street. That's the whole reason to plan ahead.
• Church Street is a pedestrian marketplace. The blocks around Float On are walk-only, so you're arriving on foot regardless — factor that into where you park.
• The culture is public; the consuming is not. People gather and mark the day, but Vermont doesn't permit using cannabis in any public space. The celebration downtown is social, not a place to light up.

When is Float On open on 4/20?

Float On is at 136½ Church Street, right on the Church Street Marketplace in downtown Burlington, and it's open seven days a week. On Fridays and Saturdays it stays open late — until midnight. In 2026, April 20 falls on a Monday, so it's a regular (not late-night) day for hours — but it will still be one of the busiest days the shop sees all year. For the exact hours on the day, check the live menu before you head out.

How do I plan a smooth 4/20 visit?

The whole trick to a good 4/20 is beating the crowd, and that comes down to a few simple moves:

1. Order ahead. Build your order on the live menu and pick it up under your name — by far the fastest way through on the busiest day of the year. Walk-ins are always welcome too if you'd rather browse the shelf with a budtender.
2. Go earlier in the day. Mid-morning and early afternoon are calmer than the after-work rush. If your schedule is flexible, the day *before* 4/20 is calmer still.
3. Bring your 21+ ID. You'll need it at the door, so have it out and ready.
4. Plan the walk in. Church Street is pedestrian-only; park in a nearby garage or lot and stroll the last block or two.
5. Know the price is the final price. Vermont cannabis tax is already built into the menu number, so nothing is added at the counter.

New here in general? Our guide to what to expect your first time at a Burlington dispensary walks through the whole visit, and the rest of our learn guides cover formats, timing, and storage before you shop the live menu.

What are the Vermont rules that don't bend on 4/20?

The date is cultural; the law is not, and a few Vermont rules stay exactly the same on April 20 as any other day:

• No public consumption. Vermont does not permit using cannabis in any public place — not the Church Street Marketplace, not the waterfront, not a parked car. Whatever you buy is for private, at-home use.
• It's 21+, every purchase. A valid government-issued photo ID is required at the door.
• It stays in Vermont. Cannabis bought here can't legally cross state lines, even into a neighboring state where it's also legal.
• Don't mix it with alcohol. The two together can hit harder and less predictably than either alone — an easy thing to keep in mind if 4/20 turns into a longer hang.

The practical version: mark the day as a private, at-home get-together, do your shopping early, and let the licensed shop handle the rest. That's a 4/20 that stays easy from start to finish.