When to Plant Creeping Zinnia in Pasadena, CA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when you can plant creeping zinnia is to use the USDA zone info for Pasadena.


Planting Calendar for Creeping Zinnia

Frost tolerance for creeping zinnia: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Creeping Zinnia are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can get them planted just a bit earlier than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant creeping zinnia
Possibly ok, but a risky time to plant creeping zinnia
Probably not a good time to plant creeping zinnia

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

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

Last Frost Date

In Pasadena the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for Pasadena is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Pasadena there is a last frost after January 31 so always be ready to cover your creeping zinnia in the event of a surprise late frost.

USDA Zone Info for Pasadena

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Pasadena

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