Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's the best time to plant chrysocephalum is to check out the USDA zone info for Montevideo.

Planting Calendar for Chrysocephalum

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

Chrysocephalum do not do well in cold weather which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant chrysocephalum in Montevideo is May. However, you really should wait until June 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

On average the last frost has passed is on May 15 in Montevideo. You can expect an average low temperature of -25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Montevideo is an average and the actual date of last frost will vary from year to year. Half of the time in Montevideo there is a last frost after May 15 so be sure to be ready to protect your chrysocephalum if you have a late frost.

USDA Zone Info for Montevideo

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Montevideo

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