The Yellow Warning Sign

Every year, usually sometime in March, the same thing happens.

A burst of bright yellow appears across neighborhoods, fence lines, and old farm edges. Forsythia blooms fast, loud, and early—often before anything else has fully woken up.

And almost immediately, someone says it:

“We’ll get three more snows after that.”

It’s one of those lines that feels oddly specific. Not “maybe more snow.” Not “a cold snap.”
Three. Exactly three.

So where did that come from—and is there anything to it?

Not a Rumor—A Pattern

This saying didn’t originate from a single person, book, or publication. It’s folk weather wisdom, passed down through observation rather than documentation.

Before modern forecasts, people relied on phenology—the timing of natural events—to understand seasonal shifts: - When plants bloom\

  • When birds migrate\
  • When insects appear

Forsythia became a key signal because of one simple fact:

It blooms right on the edge of winter.

In places like Ohio and much of the Midwest, forsythia typically flowers in late March to early April, a period when: - Daytime temperatures are rising\

  • Soil is thawing\
  • But the atmosphere is still unstable

That instability is the key.

Why Snow Still Happens After Bloom

Spring doesn’t arrive as a clean handoff. It’s a tug-of-war.

Even after warm days trigger early blooms: - Cold Arctic air can still push south\

  • Moisture systems are still active\
  • Overnight temperatures can drop below freezing

The result? Late-season snowfalls—often light, sometimes surprising.

So people observed:

  • Forsythia blooms\
  • Winter seems over\
  • Then… it snows again\
  • And again

Over time, that sequence became compressed into a rule:

“Three snows after forsythia.”

Why “Three”?

There’s nothing scientific about the number.

“Three” shows up in folklore constantly because it’s: - Easy to remember\

  • Feels complete\
  • Sounds authoritative

In reality, the number of post-bloom snow events can be: - Zero in mild years\

  • One or two in average years\
  • Occasionally more

But “three” stuck because it tells a better story than “a variable number of late-season precipitation events.”

Regional Truth (Especially in the Midwest)

In climates like: - Ohio\

  • Pennsylvania\
  • Indiana\
  • Kentucky

…it’s actually very common to get at least one measurable snow after early bloomers appear.

Not every year. Not always three.
But often enough that the saying feels accurate.

This is why the phrase persists—it’s not precise, but it’s directionally correct.

It’s Not Just Forsythia

Forsythia isn’t the only plant tied to this kind of thinking.

There are several related sayings:

  • Redbud winter — a cold snap after redbuds bloom\
  • Dogwood winter — another chill during dogwood flowering\
  • Blackberry winter — a late-season cold spell affecting crops

These all describe the same phenomenon:

False spring followed by lingering cold.

Each plant marks a different phase of early spring, and each one has its own “winter” attached to it.

What the Saying Really Means

If you strip away the folklore, the message is simple:

  • Early warmth doesn’t mean winter is finished\
  • Blooming plants don’t guarantee stable temperatures\
  • Spring arrives in waves, not all at once

Forsythia is just the most visible—and most dramatic—early signal.

Practical Takeaway

If you’re gardening, this saying is actually useful:

  • Don’t plant tender crops just because forsythia bloomed\
  • Expect at least one more cold event\
  • Be cautious of frost damage

In other words:

Treat forsythia as a warning, not a green light.

Bottom Line

“Three snows after forsythia” isn’t a myth, and it isn’t a rule.

It’s a compressed memory of how spring actually behaves in much of the United States.

Not precise. Not scientific.

But not wrong either.

And if the yellow blooms just showed up in your yard…
you might want to keep the shovel handy just a little longer.