Ideal Fall Planting Times by Region

Map Showing ideal fall planting times in the continental US.

This map shows the ideal Fall planting windows for the United States. Please note the following:

  • Bulbs that flower in spring must be planted in Fall. There is no getting around this requirement.
  • Bulbs should be planted when the soil has cooled to about 55 degrees F. Bulbs need cool soil to make roots before the onset of winter.
  • You have about 8 weeks to plant after the first frost. As long as the ground is not frozen, you can still plant bulbs.
  • Colorblends can meet your Fall planting schedule. If you need your bulbs at a particular time, just let us know.

Here are some signals that will work well in most regions:

You know it's Fall planting time when ...

  • Soil temperatures in your area are approaching 55°F
  • Fall nighttime temperatures stay between 40° and 50°F
  • You blow out the irrigation system before the winter freeze
  • The Fall striped bass run is on
  • The Fall foliage has moved just past peak
  • Squirrels are digging in acorns as fast they can
  • Birds start grouping
  • You start to smell wood smoke
  • The soft woods in the high peaks start to yellow
  • In the north you start closing windows. In the south you start backing off the air conditioning
  • The grapes are ripening on the vine
  • You don't hear the crickets any more
  • You start turning the heat on in your car
  • While driving, you see leaves bouncing along the interstate
  • The hostas start to lie down
  • You catch a whiff of that organic, decaying leaf smell
  • The dog stops lying in that round hole he dug in the garden, and moves to a sunny spot
  • Your kids start putting on their jackets without any nagging from you

If you know something that tells you Fall has arrived in your area, you can email it to us at info @

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