One of the first steps you take when you are figuring out 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.

In Zone 4a you can determine when you can plant nolana by referring to the USDA zone info.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since nolana do not do well in cold weather it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant nolana in Zone 4a is May. However, you really should wait until June 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. You probably don't want to wait any later than that or else your nolana may not have a chance to fully mature. Starting your nolana indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Zone 4a. You should expect an average low temperature of -30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 4a may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Zone 4a you get a frost after May 15 so be sure to be ready to protect your nolana if you have a surprise late frost.

USDA Zone Info for Zone 4a

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zone 4a

You may be interested in your other planting guides for Zone 4a.