The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when you can plant lunaria by looking at the USDA zone info for Norco.

Planting Calendar for Lunaria

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

Since lunaria are one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant lunaria in Norco 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 lunaria and expect a good harvest is probably October. Any later than that and your lunaria may not have a chance to really do well. Starting your lunaria indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Norco. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Norco is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Norco you get a frost after February 15 so make sure that you are ready to protect your lunaria if you have one of those late frosts.

USDA Zone Info for Norco

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 Norco

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