One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 you can plant nicotiana is to look at the USDA zone info for Norristown.

Planting Calendar for Nicotiana

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

Nicotiana are not cold tolerant which means that you really should wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant nicotiana 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 nicotiana and expect a good harvest is probably August. Any later than that and your nicotiana may not have a chance to really do well. You can get started a few weeks earlier by starting your nicotiana indoors.

Last Frost Date

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

Remember that USDA zone info for Norristown is just an average and the actual date of last frost is different every year. Half of the time in Norristown you get a frost after April 15 so always be ready to protect your nicotiana if you have one of those late frosts.

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.