One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

By referring to the USDA zone info for Ambler it's possible to estimate when to plant pumpkins.

Planting Calendar for Pumpkins

Frost tolerance for pumpkins:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since pumpkins are not cold tolerant it is important to wait until after the last frost before you can plant them.

The earliest that you can plant pumpkins in Ambler 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 pumpkins and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pumpkins may not have a chance to really do well. You can get started a little bit earlier by starting your pumpkins indoors.

Last Frost Date

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

Since the USDA zone info for Ambler is not always accurate the actual date of last frost changes from year to year. Half of the time in Ambler it frosts late in the year after April 15 so make sure that you are prepared to protect your pumpkins in the event of a surprise late frost.

USDA Zone Info for Ambler

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 Ambler

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