One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's possible to plant nolana in Douglas 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 require warm weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant nolana in Douglas 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. If you wait any later than that and your nolana may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your nolana indoors.

Last Frost Date

On average the last frost is on May 15 in Douglas. You can expect an average low temperature of -25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Douglas is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Douglas you get surprised by a frost after May 15 be ready to protect your nolana if you have one of those late frosts.

USDA Zone Info for Douglas

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Douglas

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