One of the first steps you take when you are determining 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.

It's a good idea to determine when to plant basil by looking at the USDA zone info for Conshohocken.

Planting Calendar for Basil

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

It's probably a bad idea to plant basil until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant basil in Conshohocken 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 basil and expect a good harvest is probably August. If you wait any later than that and your basil may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your basil indoors.

Last Frost Date

The average date of last frost is April 15 in Conshohocken. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Conshohocken may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Conshohocken last frost occurs after April 15 be ready to protect your basil if you have a late frost.

USDA Zone Info for Conshohocken

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 Conshohocken

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