Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Cranston you can estimate when it's possible to plant gayfeather by looking at the USDA zone info.

Planting Calendar for Gayfeather

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

Gayfeather are one of those plants that can tolerate quite a bit of cold weather which means that you can start planting them much earlier than more sensitive plants.

The earliest that you can plant gayfeather in Cranston 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 gayfeather and expect a good harvest is probably September. If you wait any later than that and your gayfeather may not have a chance to really do well. You can get started a little bit earlier by starting your gayfeather indoors.

Last Frost Date

On average the last frost is on April 15 in Cranston. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Cranston is just an average and the actual date of last frost will vary from year to year. Half of the time in Cranston there is a last frost after April 15 so make sure that you are ready to cover your gayfeather if you have a surprise 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 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 Cranston

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