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.

You will be able to figure out when to plant chard by checking out the USDA zone info for Allentown.

Planting Calendar for Chard

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

Chard can survive in moderate cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant chard in Allentown 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 chard and expect a good harvest is probably September. If you wait any later than that and your chard may not have a chance to grow to maturity. You can get started a little bit earlier by starting your chard indoors.

Last Frost Date

The average date of last frost is April 15 in Allentown. You can expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Allentown may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Allentown it frosts late in the year after April 15 be ready to cover your chard in the event of a surprise late frost.

USDA Zone Info for Allentown

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 Low	0°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 Allentown

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