When to Plant Scarlet Pimpernels in Cranston, RI

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Cranston can be reffered to in order to determine when it's a good idea to plant scarlet pimpernels.


Planting Calendar for Scarlet Pimpernels

Frost tolerance for scarlet pimpernels: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

You can plant scarlet pimpernels just a tiny bit earlier in the year because they do ok in moderate cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant scarlet pimpernels
Possibly ok, but a risky time to plant scarlet pimpernels
Probably not a good time to plant scarlet pimpernels

The earliest that you can plant scarlet pimpernels in Cranston is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant scarlet pimpernels and expect a good harvest is probably August. Any later than that and your scarlet pimpernels may not have a chance to fully mature. Starting your scarlet pimpernels indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Cranston the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Cranston is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Cranston you get a frost after April 15 so make sure that you are prepared to cover your scarlet pimpernels in the event of a late frost.

USDA Zone Info for Cranston

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 Low0°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 Cranston

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