Before planting it is a good idea to find your USDA Zone info to figure out 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.

The first opportunity to plant nemesia in Troutdale can be estimated by looking at the USDA zone info.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant nemesia until after the last frost because they require warm weather.

The earliest that you can plant nemesia in Troutdale 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 nemesia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nemesia may not have a chance to fully mature. Starting your nemesia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Troutdale. In the coldest months of winter you can expect an average low temperature of 15°F.

Just be sure to remember that USDA zone info for Troutdale is just an average and the actual date of last frost changes from year to year. Half of the time in Troutdale you get surprised by a frost after March 15 so make sure that you are prepared to protect your nemesia in the event of a surprise late frost.

USDA Zone Info for Troutdale

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Troutdale

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