When to Plant Borage in West Chester, PA

One of the best tools that you have as gardeners to help us figure out 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.

You will be able to figure out when it's possible to plant borage by referring to the USDA zone info for West Chester.


Planting Calendar for Borage

Frost tolerance for borage: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant borage a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant borage
Possibly ok, but a risky time to plant borage
Probably not a good time to plant borage

The earliest that you can plant borage in West Chester is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant borage and expect a good harvest is probably September. You probably don't want to wait any later than that or else your borage may not have a chance to grow to maturity. Starting your borage indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In West Chester the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for West Chester is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in West Chester you get surprised by a frost after April 15 so always be ready to protect your borage if you have a late frost.

USDA Zone Info for West Chester

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°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 0°F.

Plants to Grow in West Chester

You may be interested in your other planting guides for West Chester.