One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when you can plant gloriosa lily in Oil City by reviewing 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.

It's not a good idea to plant gloriosa lily until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant gloriosa lily in Oil City 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. You probably don't want to wait any later than that or else your gloriosa lily may not have a chance to grow to maturity. Starting your gloriosa lily indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Oil City the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Oil City is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Oil City you get a frost after April 15 so always be ready to protect your gloriosa lily if you have one of those late frosts.

USDA Zone Info for Oil City

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Oil City

You may be interested in your other planting guides for Oil City.