One of the first steps you take when you are getting a good idea 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.

The first chance to plant primula in Providence can be figured out by referring to the USDA zone info.

Planting Calendar for Primula

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

Primula do well in cold which means that you can plant them a quite a bit earlier than more sensitive plants.

The earliest that you can plant primula in Providence 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 primula and expect a good harvest is probably September. You probably don't want to wait any later than that or else your primula may not have a chance to grow to maturity. If you are starting your primula indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Providence. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Providence may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Providence last frost occurs after April 15 be ready to cover your primula if you have a late frost.

USDA Zone Info for Providence

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 Providence

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