When to plant tulips in zone 9b
In zone 9b, where the last spring frost typically comes around January 31, plant October 28 to December 23.
The zone 9b schedule for tulips
- Plant for a fall crop
- October 28 to December 23
From the median frost dates of the NOAA stations assigned to the 1,459 ZIP codes in zone 9b, and the timing recommended by Cooperative Extension guides for tulips.
Frost risk in zone 9b
Zones are based on winter cold, not on frost dates, so the last spring frost varies a lot within a zone. Across zone 9b, the typical last frost ranges from about January 12 in the earliest tenth of ZIP codes to March 1 in the latest tenth, and the first fall frost from January 8 to December 28. For a typical place in the zone:
- December 18Risky: a later frost happens in 9 years out of 10
- January 31Typical: frost after this date in half of years
- March 1Safe: 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 9b cities
| City | Typical last frost | Plant | Fall |
|---|---|---|---|
| Houston, TX | Jan 30 | — | Nov 16 to Jan 11 |
| Jacksonville, FL | Feb 1 | — | Nov 24 to Jan 19 |
| San Jose, CA | Jan 12 | — | Nov 10 to Jan 5 |
| Fresno, CA | Jan 14 | — | Nov 2 to Dec 28 |
| Sacramento, CA | Jan 12 | — | Nov 4 to Dec 30 |
| Bakersfield, CA | Jan 17 | — | Nov 3 to Dec 29 |
| New Orleans, LA | Jan 24 | — | Nov 21 to Jan 16 |
| Henderson, NV | Jan 20 | — | Nov 3 to Dec 29 |
How to grow tulipsAll zonesTulips in zone 9aAbout zone 9b
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