One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Martins Ferry it's a good idea to estimate when it's possible to plant primroses.

Planting Calendar for Primroses

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

Since primroses are very cold tolerant you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant primroses in Martins Ferry 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. Any later than that and your primroses may not have a chance to really do well. You can get started a couple of weeks earlier by starting your primroses indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Martins Ferry. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Martins Ferry may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Martins Ferry there is a last frost after April 15 be ready to cover your primroses if you have one of those late frosts.

USDA Zone Info for Martins Ferry

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Martins Ferry

You may be interested in your other planting guides for Martins Ferry.