One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Pasadena should be used to estimate when it's a good idea to plant shasta daisys.

Planting Calendar for Shasta Daisys

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

You can plant shasta daisys a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant shasta daisys 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 shasta daisys and expect a good harvest is probably October. Any later than that and your shasta daisys may not have a chance to fully mature. You can get started a few weeks earlier by starting your shasta daisys indoors.

Last Frost Date

The average date of last frost is February 15 in Pasadena. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Pasadena is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Pasadena you get a frost after February 15 so always be ready to protect your shasta daisys if you have one of those late frosts.

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.