The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when to plant lenten rose is to consult the USDA zone info for Pasadena.

Planting Calendar for Lenten Rose

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

Lenten Rose do well in moderate cold which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant lenten rose 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 lenten rose and expect a good harvest is probably October. You probably don't want to wait any later than that or else your lenten rose may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your lenten rose indoors.

Last Frost Date

In Pasadena the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Pasadena is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Pasadena you get a frost after February 15 be ready to cover your lenten rose 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.