When to Plant Gloriosa Lily in Philadelphia, PA

One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

In Philadelphia you can estimate when to plant gloriosa lily by looking at the USDA zone info.


Planting Calendar for Gloriosa Lily

Frost tolerance for gloriosa lily: Not tolerant of frost.
When to plant: After the last frost has passed.

Since gloriosa lily require warm weather it is important to wait until after the last frost before you can plant them.

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

The earliest that you can plant gloriosa lily in Philadelphia 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 gloriosa lily and expect a good harvest is probably August. If you wait any later than that and your gloriosa lily may not have a chance to really do well. You can get started a couple of weeks earlier by starting your gloriosa lily indoors.

Last Frost Date

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

Since the USDA zone info for Philadelphia is just an average the actual date of last frost is different every year. Since half of the time in Philadelphia you get surprised by a frost after April 15 be ready to cover your gloriosa lily 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 Low0°F
Highest Expected Low5°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.