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

It's possible to figure out when it's a good idea to plant primroses by using the USDA zone info for Greenfield.

Planting Calendar for Primroses

Frost tolerance for primroses:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Primroses do well in cold which means that you can get them planted much earlier than other frost tender plants.

The earliest that you can plant primroses in Greenfield is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant primroses and expect a good harvest is probably September. If you wait any later than that and your primroses may not have a chance to grow to maturity. Starting your primroses indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Greenfield. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Greenfield is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Greenfield there is a last frost after April 15 be ready to cover your primroses in the event of one of those late frosts.

USDA Zone Info for Greenfield

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 Greenfield

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