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

In Imperial you can estimate when to plant nemesia 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 are not cold tolerant.

The earliest that you can plant nemesia in Imperial is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant nemesia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your nemesia may not have a chance to grow to maturity. If you are starting your nemesia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Imperial the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Imperial 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 Imperial you get a frost after January 31 be ready to protect your nemesia if you have a surprise late frost.

USDA Zone Info for Imperial

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°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 35°F.

Plants to Grow in Imperial

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