The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Norristown you will be able to estimate when to plant nemesia.

Planting Calendar for Nemesia

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

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

The earliest that you can plant nemesia in Norristown 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 really do well. Starting your nemesia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Norristown. In the coldest months of winter you can expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for Norristown is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Norristown there is a last frost after April 15 so make sure that you are prepared to cover your nemesia if you have a surprise late frost.

USDA Zone Info for Norristown

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Norristown

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