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.

The best time to plant primroses in Ridgefield Park can be estimated by looking at the USDA zone info.

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 tells us that you can start planting them much earlier than other frost tender plants.

The earliest that you can plant primroses in Ridgefield Park 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 fully mature. You can get started a few 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 Ridgefield Park. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that USDA zone info for Ridgefield Park may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Ridgefield Park last frost occurs after April 15 be ready to protect your primroses in the event of a surprise late frost.

USDA Zone Info for Ridgefield Park

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Ridgefield Park

You may be interested in your other planting guides for Ridgefield Park.