One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's a good idea to plant lenten rose in Corona by looking at the USDA zone info.

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 means that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant lenten rose in Corona 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 grow to maturity. Starting your lenten rose indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Corona. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Corona is not always accurate the actual date of last frost changes from year to year. Since half of the time in Corona you get surprised by a frost after February 15 be ready to cover your lenten rose if you have a late frost.

USDA Zone Info for Corona

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Corona

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