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.

The USDA zone info for Spencer should be looked at to determine when it's possible to plant nemesia.

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 Spencer 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. Any later than that and your nemesia may not have a chance to grow to maturity. Starting your nemesia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Spencer the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Spencer is not always accurate the actual date of last frost will vary from year to year. Half of the time in Spencer there is a last frost after April 15 so just be sure to be ready to protect your nemesia in the event of a surprise late frost.

USDA Zone Info for Spencer

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

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

Plants to Grow in Spencer

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