Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Troy can be looked at to estimate when it's possible to plant nemesia.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Nemesia are not cold tolerant which tells us that it is necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant nemesia in Troy 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 fully mature. Starting your nemesia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Troy. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Troy is not always accurate the actual date of last frost changes from year to year. Half of the time in Troy you get a frost after April 15 so make sure that you are ready to protect your nemesia in the event of a late frost.

USDA Zone Info for Troy

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Troy

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