One of the first steps you take when you are getting a good idea 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 Montevideo can be used to estimate when it's a good idea to plant gerbera.

Planting Calendar for Gerbera

Frost tolerance for gerbera:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant gerbera just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant gerbera in Montevideo 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 gerbera and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gerbera may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your gerbera indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Montevideo. You should expect an average low temperature of -25°F in 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 can change quite a bit from year to year. Since half of the time in Montevideo you get a frost after May 15 be ready to cover your gerbera in the event of one of those late frosts.

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.