One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's the best time to plant nemesia is to consult the USDA zone info for Clarkston.

Planting Calendar for Nemesia

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

Since nemesia require warm weather you must wait until after the last frost before you can plant them.

The earliest that you can plant nemesia in Clarkston 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. If you wait any later than that and 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

The average date of last frost is April 15 in Clarkston. In the coldest months of winter you should expect an average low temperature of 5°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Clarkston and it will vary from year to year. Half of the time in Clarkston you get surprised by a frost after April 15 so make sure that you are ready to cover your nemesia in the event of a surprise late frost.

USDA Zone Info for Clarkston

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Clarkston

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