One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Donora should be read to estimate when it's a good idea to plant nolana.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since nolana are not cold tolerant you have to wait until after the last frost before you can plant them.

The earliest that you can plant nolana in Donora is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant nolana and expect a good harvest is probably August. Any later than that and your nolana may not have a chance to fully mature. You can get started a few weeks earlier by starting your nolana indoors.

Last Frost Date

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

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Donora and it changes from year to year. Since half of the time in Donora you get a frost after April 15 be ready to protect your nolana if you have a late frost.

USDA Zone Info for Donora

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 Donora

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