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

In Montevideo you can estimate when it's a good idea to plant celosia by referring to the USDA zone info.

Planting Calendar for Celosia

Frost tolerance for celosia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

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

The earliest that you can plant celosia 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 celosia and expect a good harvest is probably August. Any later than that and your celosia may not have a chance to grow to maturity. Starting your celosia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Montevideo. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Montevideo may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Montevideo last frost occurs after May 15 so always be ready to protect your celosia in the event of 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.