One of the first steps you take when you are estimating 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.

A common way of figuring out when to plant chrysocephalum is to use the USDA zone info for Trinidad.

Planting Calendar for Chrysocephalum

Frost tolerance for chrysocephalum:	Not tolerant of frost.
When to plant:	After the last frost.

Since chrysocephalum are not cold tolerant you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant chrysocephalum in Trinidad is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant chrysocephalum and expect a good harvest is probably August. Any later than that and your chrysocephalum may not have a chance to really do well. You can get started a few weeks earlier by starting your chrysocephalum indoors.

Last Frost Date

In Trinidad the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Trinidad and it changes from year to year. Half of the time in Trinidad there is a last frost after April 15 so make sure that you are prepared to protect your chrysocephalum in the event of one of those late frosts.

USDA Zone Info for Trinidad

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Trinidad

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