Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant garden mums in Pasadena can be determined by referring to the USDA zone info.

Planting Calendar for Garden Mums

Frost tolerance for garden mums:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since garden mums are moderately cold tolerant you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant garden mums in Pasadena is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant garden mums and expect a good harvest is probably October. Any later than that and your garden mums may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your garden mums indoors.

Last Frost Date

The average date of last frost is February 15 in Pasadena. In the coldest months of winter you can expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Pasadena may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Pasadena it frosts late in the year after February 15 be ready to cover your garden mums in the event of a surprise late frost.

USDA Zone Info for Pasadena

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Pasadena

You may be interested in your other planting guides for Pasadena.