When to plant tulips in zone 9a
In zone 9a, where the last spring frost typically comes around March 2, plant October 15 to December 10.
The zone 9a schedule for tulips
- Plant for a fall crop
- October 15 to December 10
From the median frost dates of the NOAA stations assigned to the 1,736 ZIP codes in zone 9a, and the timing recommended by Cooperative Extension guides for tulips.
Frost risk in zone 9a
Zones are based on winter cold, not on frost dates, so the last spring frost varies a lot within a zone. Across zone 9a, the typical last frost ranges from about February 13 in the earliest tenth of ZIP codes to March 21 in the latest tenth, and the first fall frost from November 14 to December 9. For a typical place in the zone:
- February 4Risky: a later frost happens in 9 years out of 10
- March 2Typical: frost after this date in half of years
- March 25Safe: a later frost only 1 year in 10
Your dates for tulips
Set your ZIP code at the top of the page and we will work out when to plant tulips where you live, from the frost records of the nearest NOAA weather station. Your ZIP code is remembered on this device only.
Tulips in zone 9a cities
| City | Typical last frost | Plant | Fall |
|---|---|---|---|
| Austin, TX | Feb 20 | — | Oct 22 to Dec 17 |
| Seattle, WA | Mar 8 | — | Oct 12 to Dec 7 |
| Portland, OR | Mar 13 | — | Oct 8 to Dec 3 |
| Tucson, AZ | Feb 5 | — | Oct 28 to Dec 23 |
| North Las Vegas, NV | Jan 20 | — | Nov 3 to Dec 29 |
| Baton Rouge, LA | Feb 25 | — | Oct 15 to Dec 10 |
| Tallahassee, FL | Mar 11 | — | Oct 10 to Dec 5 |
| Mobile, AL | Feb 21 | — | Oct 25 to Dec 20 |
| Palmdale, CA | Mar 10 | — | Oct 8 to Dec 3 |
| Charleston, SC | Feb 4 | — | Nov 18 to Jan 13 |
| Savannah, GA | Mar 2 | — | Oct 19 to Dec 14 |
| Gainesville, FL | Mar 3 | — | Oct 21 to Dec 16 |
How to grow tulipsAll zonesTulips in zone 8bTulips in zone 9bAbout zone 9a
Sources
- Tulipa (Tulip) - North Carolina Extension Gardener Plant Toolbox · NC State Extension
- Spring Flowering Bulbs (FS1220) · Rutgers Cooperative Extension
- Spring Flowering Bulbs (G1742) · University of Nebraska-Lincoln Extension
- Plant Bulbs Now for Spring Color · University of Wisconsin-Madison Division of Extension
- Bulbs to Plant in the Fall · South Dakota State University Extension
- Spring-Flowering Bulbs (HGIC) · Clemson Cooperative Extension Home & Garden Information Center
- Tulips · UF/IFAS Gardening Solutions
- Horticultural Activities for Fall · Texas A&M AgriLife Extension, Bexar County
- Bulbs for Central Texas · Texas A&M AgriLife Extension, Travis County
- Chill Out, Tulips! (Under the Solano Sun) · UC ANR, UC Master Gardeners of Solano County
- Bulbs · UF/IFAS Extension Leon County
- Plant Bulbs in the Fall for a Spring Celebration · Penn State Extension
- Bulbs (Backyard Farmer) · University of Nebraska-Lincoln Extension, Backyard Farmer
- How to plant flower bulbs for a colorful spring display · University of Illinois Extension