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

A common way of estimating when to plant basket of gold is to look at the USDA zone info for Philadelphia.

Planting Calendar for Basket of Gold

Frost tolerance for basket of gold:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Basket of Gold do well in pretty solid cold which means that you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant basket of gold in Philadelphia 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 basket of gold and expect a good harvest is probably September. Any later than that and your basket of gold may not have a chance to fully mature. Starting your basket of gold indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Philadelphia. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Philadelphia is not always accurate the actual date of last frost changes from year to year. Since half of the time in Philadelphia there is a last frost after April 15 be ready to cover your basket of gold in the event of one of those late frosts.

USDA Zone Info for Philadelphia

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 Philadelphia

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