One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. 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 to plant gerbera is to look at the USDA zone info for Rosemount.

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 are barely cold tolerant.

The earliest that you can plant gerbera in Rosemount 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. If you wait any later than that and your gerbera may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your gerbera indoors.

Last Frost Date

On average the last frost is on May 15 in Rosemount. In the coldest months of winter you can expect an average low temperature of -25°F.

It's important to remember that USDA zone info for Rosemount is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Rosemount you get a frost after May 15 so make sure that you are prepared to protect your gerbera if you have a late frost.

USDA Zone Info for Rosemount

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 Rosemount

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