The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Philadelphia can be reffered to in order to estimate when to plant gloriosa daisy.

Planting Calendar for Gloriosa Daisy

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

Gloriosa Daisy do ok in a little bit of cold which tells us that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant gloriosa daisy 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 gloriosa daisy and expect a good harvest is probably September. If you wait any later than that and your gloriosa daisy may not have a chance to fully mature. If you are starting your gloriosa daisy indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Philadelphia is just an average and the actual date of last frost is different every year. Half of the time in Philadelphia last frost occurs after April 15 so make sure that you are ready to protect your gloriosa daisy in the event of a late frost.

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.