One of the first steps you take when you are getting a good idea your gardening schedule is find your 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 The Dalles can be reffered to in order 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 has passed.

Nolana require warm weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant nolana in The Dalles 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 couple of weeks earlier by starting your nolana indoors.

Last Frost Date

The average date of last frost is March 15 in The Dalles. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for The Dalles may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in The Dalles it frosts late in the year after March 15 be ready to protect your nolana if you have a surprise late frost.

USDA Zone Info for The Dalles

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in The Dalles

You may be interested in your other planting guides for The Dalles.