One of the first steps you take when you are figuring out your gardening schedule is find your 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.

The USDA zone info for Monrovia should be reviewed to estimate when to plant chrysocephalum.

Planting Calendar for Chrysocephalum

Frost tolerance for chrysocephalum:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's not a good idea to plant chrysocephalum until after all chance of frost has passed because they require warm weather.

The earliest that you can plant chrysocephalum in Monrovia 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 chrysocephalum and expect a good harvest is probably September. If you wait any later than that and your chrysocephalum may not have a chance to really do well. You can get started a little bit earlier by starting your chrysocephalum indoors.

Last Frost Date

The average date of last frost is January 31 in Monrovia. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for Monrovia is not always accurate and the actual date of last frost is different every year. Since half of the time in Monrovia you get a frost after January 31 be ready to protect your chrysocephalum if you have a surprise late frost.

USDA Zone Info for Monrovia

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 Low	30°F
Highest Expected Low	35°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 Monrovia

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