One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Norristown you can estimate when it's the best time to plant bower vine by checking out the USDA zone info.

Planting Calendar for Bower Vine

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

You really shouldn't plant bower vine until after the last frost because they require warm weather.

The earliest that you can plant bower vine 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 bower vine and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bower vine may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your bower vine indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Norristown. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Norristown is not always accurate the actual date of last frost changes from year to year. Half of the time in Norristown last frost occurs after April 15 so be sure to be ready to protect your bower vine 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.